The net ionic equation for CH3COOH(aq) + NaOH(aq) reaction is; CH3COOH(aq)+OH⁻(aq)→CH3COO⁻(aq)+H2O(l)
The acetic acid will react with sodium hydroxide to give sodium acetate and water. The molecular equation is shown below.
CH3COOH(aq)+NaOH(aq)→CH3OONa(aq)+H2O(l)
The above molecular equation is already balanced as there are the same numbers of elements on both sides. This reaction is an acid base reaction as an acid and a base react to form salt and water.
Both acetic acid and sodium hydroxide will exist in the form of their constituent ions because they are soluble in aqueous solution.
By breaking all the strong electrolytes in to their constituent ions, we get the complete ionic equation as follows:
CH3COOH(aq)+Na^+(aq)+OH⁻(aq)→CH3COO⁻(aq)+Na^+(aq)+H2O(l)
By removing the spectator ions we can get the net ionic equation.
In the complete ionic equation, Na+ ion is the spectator ion as it is present on both the sides of the equation. So by removing it we can get the net ionic reaction.
The net ionic equation is shown as follows:
CH3COOH(aq)+OH⁻(aq)→CH3COO⁻(aq)+H2O(l)
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This is a chemical produced by cells in the body, which circulates throughout the body in the bloodstream: __________. It affects a wide range of functions and acts on one or more target _________.A. hormone/tissuesB. chondrocyte/organ systemsC. hormone/mitochondriaD. chondrocyte/mitochondriaE. amino acid/chloroplastsF. lipid/membranesG. hormone/membranes
This is a chemical produced by cells in the body, which circulates throughout the body in the bloodstream is Hormone. It affects a wide range of functions and acts on one or more target as tissues.
So, correct answer is Option A Hormone/Tissue
The chemical messengers of the body, hormones communicate with tissues and the bloodstream. Hormones affect a variety of bodily functions, including growth and development, metabolism—the process through which your body converts food into energy—sexual function, reproduction, and mood.
Tissue is colection of huge amount of cells. Connective tissue, epithelial tissue, muscular tissue, and nerve tissue are the four fundamental forms of tissue. Other tissues are held together and supported by connective tissue (bone, blood, and lymph tissues). A coating is provided by epithelial tissue (skin, the linings of the various passages inside the body).
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Construct a multistep synthetic route for the synthesis of acetylene from ethane by identifying the reagents and products of each step. Note that each bin will hold only one item, and not every given reagent or structure will be used. (Stoichiometry is omitted.)
1. reagent 1
H3C—CH3 2. reagent 2 H-C=C—H
(ethane) (acetylene)
3. reagent 3
4. reagent 4
The synthetic route for the synthesis of acetylene from ethane is:
Reagent 1: Br₂, hν, Photobromination.
Reagent 2: (CH₃)₃CO⁻K⁺ , Dehydrobromination.
Reagent 3: Br₂, Bromination.
Reagent 4: NaNH₂, Elimination.
What is the synthesis route?The process used to create a certain product is known as a synthetic pathway. Chemists may need to be able to look backwards to examine the specific ingredients from which the desired product might be made.
(1) Ethane to Bromoethane, the reagent 1 required is:
Br₂, hν, Photobromination.
(2) Bromoethane to Ethene, the reagent 2 required is:
(CH₃)₃CO⁻K⁺ , Dehydrobromination.
(3) Ethene to 1,2-dibromoethane, the reagent 3 required is:
Br₂, Bromination.
(4) 1,2-dibromoethane to Ethyne, the reagent 4 required is:
NaNH₂, Elimination.
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The complete question is as follows:
Construct a multistep synthetic route for the synthesis of acetylene from ethane by identifying the reagents and products of each step. Note that each bin will hold only one item, and not every given reagent or structure will be used. (Stoichiometry is omitted.)
1. reagent 1 H3C—CH3
2. reagent 2 H-C=C—H(ethane) (acetylene)
3. reagent 3
4. reagent 4
p-450 enzymes that hydroxylate a variety of hydrophobic compounds, including xenobiotics, are found in the:
P450 enzymes that hydroxylate a variety of hydrophobic compounds including xenobiotics are found in the liver cells.
CYP450 enzymes evolved as the primary defense against xenobiotics and in this process are also responsible for the bioactivation of drugs and toxicants to more reactive intermediates. Cytochrome P450 enzymes are primarily found in liver cells but are also located in cells throughout the body.
Cytochromes P450 are enzymes that oxidize substances using iron and are able to metabolize a large variety of xenobiotic substances. CYP enzymes are linked to a wide array of reactions including O-dealkylation S-oxidation epoxidation and hydroxylation. Cytochrome P450 enzymes are essential for the production of cholesterol steroids prostacyclins and thromboxane A2.
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The indicator in a titration changed color after 0.005 mol of calcium hydroxide
were added to to a sulfuric acid solution for the chemical reaction shown below.
How much sulfuric acid was in solution?
H₂SO4 +
Sulfuric
acid
O 0.005 mol
0.1 mol
Ca(OH)₂
Calcium
hydroxide
O 0.105 mol
O I need more information to answer this question.
CaSO
Calcium
sulfate
+
K
2 H₂O
Water
The amount of sulfuric acid in the solution is equal to 0.005 mol.
What is a pH indicator?A pH indicator can be defined as a halochromic chemical compound introduced in small amounts to a solution so the pH of the solution can be evaluated by changes in absorption or emission properties.
pH indicators are used in titrations in chemistry and biology to determine the extent of a reaction.
Given, the reaction of calcium hydroxide was added to a sulfuric acid solution.
H₂SO₄ + Ca(OH)₂ → CaSO₄ + 2H₂O
In the balanced chemical reaction, one mole of calcium hydroxide is required to neutralize one mole of sulfuric acid.
Given, the moles of calcium hydroxide = 0.005 mol
The mole of sulfuric acid is 0.005 mol required to neutralize 0.005 moles of calcium hydroxide.
The color of the solution will change when the solution becomes neutralized.
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when two hydrogen atoms pair together, they form a bond to achieve a complete , which is a stable configuration.
By sharing electrons and forming a covalent connection, two hydrogen atoms can reach a stable electron configuration.
What does place when two hydrogen atoms combine to produce the H2 molecule?A covalent bond is the name given to this kind of chemical interaction. When two atoms share one or more pairs of electrons, the link is referred to as covalent. When two hydrogen atoms combine to form a hydrogen molecule, their individual single electrons are shared (H2).
The reaction between H2 and O2 is what kind of reaction?H2 is oxidizing to H+ ions because oxidation involves the loss of electrons, while O2 is reducing to O- - ions because reduction involves the gain of electrons. Since both oxidation and reduction are occurring at the same time.
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Fill in the missing products below. 1) Hg(OAC),, EtOH 2) NaBH4 Excess HI Heat RCOZH H-CEC: Na ? colet 1) NaSET 2) H2O ? HBr HBr ?
Depending on the exact conditions, NaBH4 reduces many organic carbonyls. Most commonly used in the laboratory to convert ketones and aldehydes to alcohols.
Efficient reduction of acyl chlorides anhydrides α-hydroxylations thioesters and imines below room temperature. NaBH4 is less reactive than LiAlH4 but otherwise similar. It is powerful enough to reduce aldehydes ketones and acid chlorides to alcohols. Esters amides acids and nitriles are hardly affected.
Sodium borohydride, also known as sodium borohydride and sodium tetrahydroborate, is an inorganic compound of the formula NaBH4. This white solid is usually found as a basic aqueous solution and is a reducing agent used in the paper and dyeing industry.
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identify the condensed structure that corresponds to the following lewis structure. the lewis structure has a main backbone, which is four carbons long. bonded to the first carbon are 3 hydrogen atoms. bonded to the second carbon are 2 hydrogen atoms. bonded to the third carbon are 2 chlorine atoms. finally, bonded to the fourth carbon are 3 hydrogen atoms.
The condensed structure that corresponds to the the lewis structure has a main backbone is 2,2 dichloro butane.
A Lewis structure, also known as a Lewis point formula, Lewis point structure, electron point structure, or Lewis electron point structure, is a diagram showing the bonds between the atoms of a molecule and the lone pairs of electrons present in the molecule.
The Lewis structure is a very simplified representation of the valence shell electrons in a molecule. Used to describe how electrons are arranged around individual atoms in a molecule. Electrons are represented as "dots" or as lines between two atoms to join electrons.
The Lewis structure is based on the concept of the octet rule in which atoms share electrons, so each atom has eight electrons in its outer shell. For example, the oxygen atom has six electrons in its outer shell.
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A student performed the Fractional Crystallization experiment described with the following results: Initial mass of sample mixture: 4.958 g, mass of salicylic acid recovered, 0.586 g; mass of CuSO4•5H2O recovered, 3.12 g. The recovered CuSO4•5H2O was then heated for 15 minutes at 130 °C. The mass of the new hydrate was 2.17 g. Calculate the value of X in the formula for the new hydrate CuSO4•XH2O.
Answer:
74.75%
Explanation:
To calculate this, we simply add the mass of the salicylic acid and the mass of the copper sulphate.
The addition will yield the following.
Mass of salicylic acid recovered = 0.586g
Mass of copper sulphate recovered = 3.12g
The addition of both is = 0.586g + 3.12g = 3.706g
The percentage composition can be calculated by dividing this by the original mass of the mixture before crystallization and dividing by 100.
3.706/4.958 * 100 = 74.75%
Consider the reaction A → products at 311 K. The concentration of A was monitored over time and the data was analyzed by plotting. It was found that a plot of 1/[A] vs time gave a straight line relationship. It was also observed that it took 24.5 s for the concentration of A to decrease from 0.757 M to 0.107 M. What is the half life for this reaction when [A]o = 0.757 M?
The half life for this reaction when [A]o = 0.757 M is 4.033 s
integrated rate law for 2nd order reaction:
1/[A]o = 1/[A] - k*t
so, for 2nd order reaction, 1/[A] vs t will be straight line
integrated rate law for 1st order reaction:
ln [A] = –kt + ln [A]o
So, for 1st order reaction, ln[A] vs t will be straight line
integrated rate law for zero order reaction:
[A] = [A]o – k*t
So, for zero order reaction, [A] vs t will be straight line
Here,
1/[A] vs t is straight line
so, order of A is 2
use integrated rate law for 2nd order reaction:
1/[A] = 1/[A]o + k*t
1/(0.107) = 1/(0.757) + k*24.5
9.346 = 1.321 +k*24.5
k*24.5 = 8.025
k = 0.328 M-1.s-1
Given:
rate constant, k = 0.328 M-1.s-1
use relation between rate constant and half life of 2nd order reaction
t1/2 = 1/([A]o*k)
= 1/(0.757*0.328)
= 4.033 s
The half-life of a chemical reaction can be defined as the time it takes for the concentration of a given reactant to reach 50% of its initial concentration (that is, the time it takes for the concentration of a reactant to reach half its initial value). This is represented by the symbol "t1/2" and is usually expressed in seconds.
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g what kind of intermolecular forces act between an ammonia molecule and a chloride anion? note: if there is more than one type of intermolecular force that acts, be sure to list them all, with a comma between the name of each force.
So therefore we will say that that is there is also iron di pole interaction.
What is Intermolecular Forces?
Intermolecular forces, frequently abbreviated to IMF, are the appealing and repulsive forces that stand up among the molecules of a substance. These forces mediate the interactions between character molecules of a substance.
Intermolecular forces are accountable for maximum of the bodily and chemical properties of rely.
Forces also exist among the molecules themselves and these are collectively known as intermolecular forces. Intermolecular forces are specifically responsible for the bodily traits of the substance. Intermolecular forces are liable for the condensed states of matter. The debris making up solids and drinks are held together by way of intermolecular forces and those forces have an effect on some of the physical residences of matter in those states.
Meaning ionic bond can be fashioned right here and right here as we've this is iron and this is the disciple nature. So consequently we are able to say that this is there's also iron di pole interplay. So these three styles of inter molecular forces is found in ammonia and chloride.
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Suppose you are pumping air into a deflated basketball, so
that it is at a suitable pressure to play a game. Is this a good
example of Avogadro's law? Explain your answer.
No this is not a good exp of avogadro's law.
What is avogadro's law?Avogadro's Law states that, under the same conditions of temperature and pressure, equal volumes of any gas contain equal numbers of molecules. This law was first proposed by the Italian physicist Amedeo Avogadro in 1811, and was later confirmed experimentally by Josef Loschmidt. Avogadro's law is one of the most important physical laws in chemistry, as it is used to relate the macroscopic properties of a gas to the number of molecules it contains.
Avogadro's law states that equal volumes of gases, under the same temperature and pressure, contain the same number of molecules. In this case, the number of molecules in the basketball is not changing; the amount of air entering and leaving the ball is the same. The change is in the pressure of the air within the ball, which is not accounted for by Avogadro's law.
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what are the two types of compounds used to make esters? give an example of each. clearly identify their functional groups.
Alcohols and carboxylic acids are the two types of compounds used to make esters.
An esters is a molecule created from an oxoacid (organic or inorganic) in which at least one hydroxyl group (OH) is replaced by an alkoxy group, similar to the substitution process between a carboxylic acid and an alcohol (OR). Glycerides are important in biology since they are one of the primary lipid groups and make up the majority of animal fats and vegetable oils. Fatty acid esters of glycerol are known as glycerides. The majority of esters are fragrant; those with a low molecular weight are widely used as fragrances and can be found in pheromones and essential oils. They are one of the most widely used types of synthetic lubricants on the market and act as premium solvents for numerous polymers, plasticizers, resins, and lacquers. The parent acid, which may be organic or inorganic, and the parent alcohol are what give esters their names. Esters made from the simplest carboxylic acids are usually referred to by the more common, so-called "trivial names," such as formate, acetate, propionate, and butyrate, as opposed to the IUPAC nomenclature methanoate, ethanoate, propanoate, and butanoate.
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why we needed to standardize the 0.1M NaOH solution used in sectino and what this standard involved?
To determine the precise concentration of a solution whose concentration is uncertain, it is necessary to standardize a NaO H solution.
To obtain an equivalency point and determine the unknown concentration, standardization involves titrating a known volume of N and O H with an acid in a flask.
Because N an O H is hygroscopic in nature—that is, it absorbs water from the air and changes its mass as a result—we cannot determine the precise molarity even when we employ a precise mass balance. The molarity also varies when the mass does. As a result, N an O H standardization is implemented.
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rank the speed of sound through the following from greatest to least: a. helium b. benzene c. mercury
The the density of the substance that sound travels through directly affects its speed. Helium and benzene are the two liquids of a three media mentioned. Mercury is a metal, but it is also liquid.
What is density, for instance?How much "stuff" is contained in a specific quantity of space is determined by its density. For instance, a block of the harder, lighter element gold (Au) will be denser than a block of heavier element lead (Pb) (Au). Styrofoam blocks are less dense than bricks. Mass per cent volume serves as its definition.
What are density's two characteristics?The two physical characteristics of matter—mass and volume—are necessary for the classification of something as matter. The mass to volume ratio of a substance or item is known as its density. Mass per volume unit or weight divided by volume are two other ways to describe density.
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classify the tonicity of a solution made by dissolving 9.0g of sodium chloride in 1.0l of water. choose the correct answer and explanation below.
Tonicity of solution made by dissolving 9.0g of sodium chloride in 1.0l of water : solution is isotonic because it has a 0.9%m/v concentration of sodium chloride.
What do you understand by tonicity?Capability of a solution to modify the volume of cells by altering their water content is called tonicity . Movement of water into a cell can cause hypotonicity or hypertonicity when water moves out of the cell.
A solution is said to be isotonic when it has the same concentration of the solutes as another solution and this occurs across a semipermeable membrane. Use of this chemical in human anatomy is rare but it describes muscles that have a similar tone as the normal comparisons.
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Note: The question given on the portal is incomplete. Here is the complete question.
Question: Classify the tonicity of a solution made by dissolving 9.0g of sodium chloride in 1.0l of water. choose the correct answer and explanation below.
The solution is hypertonic because it has a 9.0% m/v concentration of sodium chloride.
The solution is hypotonic because it has a 9.0% mlv concentration of sodium chloride.
The solution is isotonic because it has a 9.0% mv concentration of sodium chloride.
The solution is hypertonic because it has a 0.9% m/v concentration of sodium chloride.
The solution is hypotonic because it has a 0.97 m/v concentration of sodium chloride.
The solution is isotonic because it has a 0.9% m/v concentration of sodium chloride
at chemical equilibrium, the rate of the forward reaction will be____the rate of the reverse reaction.
Answer: Equal to
Explanation:
Because the equation is at equilibrium both the directions of the reactions will be happening at the same rate.
reaction a starts with a 4 carbon chain where carbon 2 has a hydroxy substituent, and carbon 3 has two methyl substituents. this reacts with h b r in heat to generate the product.
In order of the number of carbon atoms, these are the first four members of the series: One carbon atom that is hydrogen-saturated is CH4 or methane. Two hydrogen-saturated carbons make up the compound ethane or C2H6.
A chain with one carbon (a methyl group, CH3) and an OH group attached to it is referred to as "methyl alcohol," whereas a chain with two carbons (an ethyl group, CH2CH3) and an OH group attached to the CH2 is referred to as "ethyl alcohol." The IUPAC nomenclature must be used for more complex alcohols.
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which of the statements below correctly describes one of the five defining criteria for being a mineral? A.Minerals only occur as solids. B.Minerals are not produced by biologically processes. C.Minerals can lack a repetitive geometric structure on the atomic scale. D.Each mineral has a definite chemical composition with no possibility for variation or the substitution of elements.
The correct statement among the given below statements is minerals only occur as solids. Hence, option A is correct.
By the definition of a mineral as a homogeneous solid, a mineral is composed of a single solid substance of uniform composition that cannot be physically separated into simpler chemical compounds. Homogeneity of the mineral is determined relative to the scale on which it is defined.
A naturally occurring, homogeneous inorganic solid is a substance which have a definite chemical composition and characteristic crystalline structure, color, and hardness. Types of minerals found in the earth's crust include azurite, aragonite, biotite, calcite, garnet, gold and pyrite.
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In the bromination reaction of your chalcone, you form a racemic mixture.a. Draw the structure of the enantiomers you form and assign R, and S to each of thestereocenters.b. Will you see 2 spots on a TLC of your reaction products? Why or why not?
(B) No, enantiomers can not be separated over TLC, hence, they will appear at same Rf value. This is because both have similar electronic environment and bind to silica with same extent.Enantiomers are pairs of compounds with exactly the same connectivity but opposite three-dimensional shapes.
Enantiomers are not the same as each other; one enantiomer cannot be superimposed on the other. Enantiomers are mirror images of each other.Any reaction or process in which bromine (and no other elements) are introduced into a molecule. Bromination of an alkene by electrophilic addition of Br2. Bromination of a benzene ring by electrophilic aromatic substitution.The mechanism of reaction between ethene and bromine is an electrophilic addition reaction. During the reaction, one of the bromine atoms receives a partial positive charge. That bromine atom attacks the double bond in ethene, forming a cyclic structure, giving the attached bromine a positive charge.
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A combination of titanium and organoaluminum catalysts can induce this process in alkenes. The average degree of this process is given by the equation 1 over 1 minus p in the Carothers equation. One of the first synthetic substances formed by this process was created from the condensation of phenol and formaldehyde units and is called(*) bakelite. This process, which is promoted by Ziegler-Natta catalysts, comes in step-growth and chain-growth types. It can produce products such as LDPE and PVC. For 10 points, name this process that involves the combination of repeating units called monomers.
polymerization <David Dennis>/<ed. AR>
What are some examples of polymerization?The repeating units formed from small molecules known as monomers are bonded together to form a massive single chain-like molecule known as a polymer.Polymerization is the process through which monomers are converted into polymers.Ethylene, for instance, polymerizes to create polyethylene.
What are polymers and what types exist?A polymer is created when a lot of monomeric units react with one another during the polymerization process.The end products of polymerization might be either linear or branched macromolecules. Additionally, they can take the form of a sophisticated, three-dimensional network.
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Consider the reaction:
2 NO(g) + 5 H2(g)-2 NH3(g) + 2 H2O(g)
A reaction mixture initially contains 5 moles of NO and 10 moles of H2. Without doing any calculations, determine which set of amounts best represents the mixture after the reactants have reacted as completely as possible. Explain your reasoning.
a. 1 mol NO, 0 mol H2, 4 mol NH3, 4 mol H2O
b. 0 mol NO, 1 mol H2, 5 mol NH3, 5 mol H2O
c. 3 mol NO, 5 mol H2, 2 mol NH3, 2 mol H2O
d. 0 mol NO, 0 mol H2, 4 mol NH3, 4 mol H2O
After the whole feasible response of balanced equation, 1 mole of NO has remained withinside the response mixture is 1 mol NO, 0 mol H2, 4 mol NH3, 4 mol H2O.
The balanced chemical equation for
the response will be: 2 NO(g) + 5 H2(g)-2 NH3(g) + 2 H2O(g). The hydrogen required has been:
2 moles NO = 5 moles hydrogenfive moles NO Hydrogen five 2 G x 5 molesfive moles NO = 5 moles Hydrogen.The to be had hydrogen has been 10moles. 5 moles hydrogen = 2 moles NO2 10 moles hydrogen NO x 10 moles10 moles hydrogen = four moles NO.The whole usage of hydrogen calls for four moles of NO. The to be had NO has been 5 moles. The final NO has been given as:Remaining NO = Total - consumedRemaining NO = 5-4Remaining NO = 1moleAfter the whole feasible response of the mixture, 1 mole of NO has remained withinside the response mixture.Learn more about reactant :
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Which of the following is a general trend for the electronegativity of elements in the periodic table? increases from left to right; decreases from bottom to top decreases from left to right; decreases from bottom to top O decreases from left to right; increases from bottom to top O increases from left to right; increases from bottom to top
A general trend for the electronegativity of elements in the periodic table is an increase from left to right from top to bottom.
The periodic table may be a rows and columns arrangement of the chemical elements. Electronegativity could be a degree of an atom's capacity to pull in shared electrons to itself. On the periodic table, electronegativity for the most part increments as you move from left to right across a period and decreases as you move down a group. As a result, the foremost electronegative components are found on the top right of the periodic table, whereas the slightest electronegative components are found on the bottom left.
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Which of the following statements is true?
Diffusion involves the movement of molecules using transport proteins.
Diffusion involves the breaking down of dead organelles.
Diffusion involves the movement of molecules in the cytoplasm.
Diffusion involves the movement of molecules into or out of a cell.
Diffusion involves the movement of molecules into or out of a cell.
The Correct answer is d) Diffusion involves the movement of molecules into or out of a cell.
What is Diffusion?The process of molecule movement along a concentration gradient is called diffusion. When molecules travel from one area with a higher concentration to one with a lower concentration, it happens. Every living creature experiences it, and it is a significant process.The movement of materials into and out of cells is facilitated by diffusion. The molecules move from an area of higher concentration to an area of lower concentration until the concentration is the same everywhere.Since molecules can move about in gases and liquids, diffusion takes place in such media.Diffusion is frequently employed throughout several academic fields, including physics, chemistry, and biology. The two primary types of diffusion are simple diffusion and assisted diffusion.To learn more about Diffusion refer to:
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which of the following statements are true concerning co32-? the central carbon atom is sp2 hybridized. the bond angles about the central carbon atom are about 109o. there are three sigma bonds in co32-. all carbon-oxygen bonds are equal in bond length. there are two resonance structures for co32-
The central carbon atom is sp2 hybridized, has three sigma bonds and has two resonance structures.
Which of the following statements are true concerning co3^2?
the central carbon atom is sp2 hybridized. the bond angles about the central carbon atom are about 109o. there are three sigma bonds in co32-. all carbon-oxygen bonds are equal in bond length. there are two resonance structures for co32-The correct options are : 1, 3 and 4
Option 1 is correct because carbon atom in CO3^2- posses sp2 hybridization. A carbon atom is sp2 hybridized when bonding takes place between 1 s-orbital with two p orbitals. Option 2 is incorrect because carbon is sp2 hybridized, hence bond angle will be about 120°. There is a formation of two single bonds and one double bond between three atoms. The hybrid orbitals are placed in a triangular arrangement with 120° angles between bonds.Option 3 is correct because there are three sigma bonds. Three sigma bonds are formed from each carbon atom for a total of six sigma bonds in the molecule.Option 4 is correct because all carbon oxygen bonds are equal.Option 5 is incorrect because there are three resonating structures for CO3^2-To learn more about sp2 hybridization visit:
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proceeds from notes payable on january 26, nyree co. borrowed cash from conrad bank by issuing a 45-day note with a face amount of $225,000. assume a 360-day year. a. determine the proceeds of the note, assuming the note carries an interest rate of 8%. $fill in the blank 1 b. determine the proceeds of the note, assuming the note is discounted at 8%. $fill in the blank 2
The revenues of the note will equal the $225,000 face value, provided the note has an interest rate of 8%.
The interest rate today is what.On Friday, December 9, 2022, the benchmark 30-year fixed mortgage's average rate is 7.32%, which is a 15 basis point increase from the previous week. If you want to restructure your present mortgage.
The nominal value and face value are both used interchangeably. That which a money is worth. Simply said, it is a security's nominal value. A 45-day note having a face value of $225,000 was issued by Nyree Co. to Conrad Bank based on the information provided. Consequently, the amount of the note's revenues will match its face value, which is 225,000.
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The rate of reaction of 0.030 g of magnesium ribbon with 1 M hydrochloric acid was studied at four different temperatures by measuring the time required for the magnesium metal to disappear. The following data was recorded: (4 points) Temperature 2°C 23 °C 40°C 53°C 56 Average Reaction Time (sec) 204 73 Average Reaction Rate (moles/sec) a. Calculate the number of moles of magnesium that reacted (2 points) b. Calculate and the average reaction rate for 2°C then complete the table above (2 points) c. Convert each temperature to kelvins (3 points) Temperature (°C) Temperature (K) 2°C 23°C 400 53 °C 75 °C Average Reaction Time (sec) 204 73 56 41 c. Plot the average reaction time versus temperature in the graph below. (10 points) e. Predict how long the reaction would take at 75 °C. (1 point) aation 10: Rate of Decomposition of Calcium Carbonate
Hydrogen gas is released and magnesium chloride is created when magnesium ribbon combines with hydrochloric acid.
The temperature of the test tube will change, there will be a faint fizzing of gas bubbles, and then the magnesium ribbon will dissolve into the water, turning it blue.
At four different temperatures, the time it took for 0.030 g of magnesium ribbon to react with 1 M hydrochloric acid was measured in order to determine the rate of reaction.
The following information was noted: Four points Temperature: 2°C, 23°C, 40°C, 53°C, and 56°C 204 seconds is the average reaction time. (moles/sec) Average Reaction Rate a. Decomposition of CaCO3 takes approximately one hour at 871 °C, resulting in a mass loss of approximately 44%, and approximately 24 hours at 641 °C.
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What are the coefficients needed to balance the equations C7H16 + O2 = CO2 + H2O
Answer: C7H16 + 11O2 = 7CO2 + 8H2O
Explanation:
Explanation attached:
a sample of an ideal gas with initial volume v is compressed isothermally until its volume is v2. which of the following claims is correct about the transfer of energy by heating and the work done on the gas?
a sample of an ideal gas with initial volume v is compressed isothermally until its volume is v2.Energy Transferred by Heating: Out of the gas Work Done on the Gas: Positive
Energy, according to scientists, is the capacity for work. The ability to transform energy from one form to another and use it to perform tasks is what makes modern civilization possible. Energy is characterized as having the "ability to accomplish work, which is the capacity to apply a force sufficient to move an object." Despite this unclear definition, the concept is actually quite straightforward: energy is just the force that moves objects. Potential and kinetic energy are the two different categories. The basic energy unit of the metric system, or the International System of Units in a later, more thorough formulation, is this (SI). The meter, kilogram, and second serve as its final units of measurement.
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Which of the following is the correct statement of law of conservation of matter?
According to the principle law of conservation of mass, matter cannot be created or destroyed.
What law governs the conservation of matter?According to the Law of Conservation of Matter, even when matter transforms into a different form, the amount of matter remains constant. Although it may occasionally appear that matter vanishes during a scientific experiment, this law informs us that matter does not magically appear or vanish; rather, it only transforms from one form to another.
What is the mass Mcq conservation law?A chemical reaction neither creates nor destroys atoms.Only the products are produced after the reactants' atoms have been rearranged. Therefore, mass remains constant during a chemical process.
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Does sodium and oxygen form an ionic bond?
Oxygen and sodium will combine to generate an ionic compound.
What kind of link do oxygen and sodium form?Since sodium is a component of an alkalis and oxygen is just a non-metal as well as a gas, an ionic connection is created.Na + O2 NaO2 OR 4Na + O2 2Na2O (s) (s).
What occurs when sodium and oxygen bind?As an illustration, sodium and oxygen can react to form sodium oxide.To create the ionic substance sodium oxide, sodium atoms undergo a transformation into sodium ions.Atoms of sodium lose electrons; they have undergone oxidation.
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