concentration of the acetone immediately after mixing
We are given:
- Molarity of Acetone[tex]$=4.0 \mathrm{M}$,[/tex]
- Volume of Acetone[tex]$=11 \mathrm{~mL}=0.011 \mathrm{~L}$,[/tex]
- Volume of[tex]$B r_2=16 \mathrm{~mL}$,[/tex]
- Volume of [tex]$\mathrm{HCl}=11 \mathrm{~mL}$[/tex], and
- Volume of Water[tex]$=16 \mathrm{~mL}$.[/tex]
therefore Total Volume of Solution[tex]$=(11+16+11+16) m L=54 m L=0.054 L$[/tex]and
Total No. of moles [tex]\mathrm{M} \times 0.011 \mathrm{~L}$$=0.044 \mathrm{~mol}$[/tex]of Acetone = Molarity of Acetone [tex]$\times$[/tex] Volume of Acetone i =4.0
[tex]$\therefore$ Molarity of Acetone $=\frac{\text { No. of moles of Acetone }}{\text { Volume of solution in liter }}$[/tex]
[tex]$=\frac{0.044 \mathrm{~mol}}{0.054 \mathrm{~L}}$$=0.815 M$Hence, Concentration of Acetone (in Molarity) is $0.815 \mathrm{M}$.[/tex]
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Which of the following solution in water will have the highest freezing point?
Option 1 Solution which is 0.1 M in KNO3 and 0.2 M in Ba(NO3)2. Option 2 Solution which is 0.1 M in Ca(NO3)2 and 0.1 M Ba(NO3)2. Option 3 Solution which is 0.2 M in urea and 0.2 M glucose. Option 4 Solution which is 0.1 M both in Al2(SO4)3 and 0.1 M K2SO4. A: Al2O3
B: Cr2O3
C: V2O5
D: MnO2
solution containing 0.2 M each of urea and glucose The highest freezing point will be a solution in water.
What is the solution described?
Any combination of one or more solutes that have been dissolved in a solvent is referred to as a solution. To create a homogenous mixture, a solute must dissolve in a solvent. To create a homogenous mixture, a solute must dissolve in a solvent.
A solution is what?
A homogenous combination of two or more components with particles smaller than 1 nm is referred to as a solution. Examples of solutions include solutions of sugar and salt in water, soda water,
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Which of the following statements correctly describe bonding and intermolecular forces?
Intermolecular forces involve partial or small charges that are far apart and are relatively weak
Bonding forces occur within the nucleus of the atom and are therefore strong
Covalent bonds are type of intermolecular force since they are found in molecules.
Bonding forces are generally much stronger than intermolecular forces
For molecular substance, the strength of the Intermolecular forces determines the physical properties of its phases
The correct statements are thus: bonding forces are typically much stronger than intermolecular forces, intermolecular forces involve partial or small charges that are far apart and are relatively weak, and for molecular substances, the strength of the intermolecular forces determines the physical properties of its phases.
What does bonding mean in chemistry and its types?When two or more atoms, molecules, and ions join together chemically to form a compound, this process is known as chemical bonding. These chemical bonds hold the atoms in the resulting molecule together.
The four main types of bonding—ionic, covalent, metallic, and molecular—are discussed in this section. Ice is a different kind of solid that plays a significant role in a few crystals.
How bonding is formed and its purpose?To form bonds, atoms exchange or trade their valence electrons. The electrons in an atom's outermost energy level known as valence electrons have the potential to interact chemically. All chemical bonds are built on valence electrons.
The simplest explanation is that atoms are attempting to achieve the most stable (lowest-energy) state possible. Many atoms become stable when they satisfy the octet rule or have their valence shell completely filled with electrons.
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29) The molecular geometry of the PF4+ ion is octahedral B) tetrahedral trigonal pyramidal D) trigonal planar E) trigonal bipyramidal '
It has a tetrahedron shape, etc. Tetrahedral in form and with a positive charge on the phosphorus atom, PF4+ has a Lewis structure.
A triangular bipyramid formation is a molecular shape in chemistry that has one atom in the middle and five additional atoms at each of its four corners. The bond angles in a tetrahedral structure with a central atom are around 109.5 degrees IF5 is shaped like a square pyramid, whereas PCl5 is a trigonal bipyramid.
There is no electron lone pair on the phosphorus atom in the PH+4 ion. Tetrahedral in shape, it has a bond angle of 10928′.
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expert that helps you learn core concepts.
See Answer
Draw the Lewis structure for CSe2 in the window below and then answer the questions that follow.
What is the electron-pair geometry for C in CSe2? ____
What is the the shape (molecular geometry) of CSe2? ____
The core atom of CSe2 has a symmetric charge distribution and a linear molecule structure. The core atom of CSe2 has a symmetric charge distribution and a linear molecule structure.
What shape does CS2 take geometrically?Due to the sp hybridization of CS2, the molecular shape of the CS2 molecule is linear because the center carbon atom forms a 180 degree connection with two sulfur atoms. Since AX2 is the general formula for linear geometry, CS2 illustrates linear geometry.
What is the C atom's hybridization in CSe2?This shows that the carbon (C) atom in the center has undergone sp hybridization. The molecule possesses linear geometry and a 180° bond angle as a result of the sp hybridization.
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in a reaction, the oxidation number of copper goes from 1 to 2. what can we say about this reaction:
Answer: This reaction is a redox reaction.
Explanation:
We can say that this reaction is a redox reaction. This is because it is stated the oxidation number on copper is changing. That means there is both an oxidizing and reducing agent that are parts of this reaction.
how does first ionization energy change going down and across the periodic table?
Ionization energy regularly fluctuates over a population, rising and falling with time. Effective nuclear charge rises with time, whereas electron shielding stays constant.
This ionization energy rule is what?
Ionization energy exhibits periodicity on the periodic table. The typical tendency for electron affinity would be upward from left to right during the duration of an element period. During a period, the atomic radius moves from left to right, increasing the pull of electrons toward the (near) nucleus.
Why does the energy of ionization rise?
The very first ionization energy normally moves across a period of the periodic table from left to right. The outermost electron as well as the nucleus have a stronger connection as a result of the higher nuclear charge.
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the nuclear mass of 141ba is 140.883 amu. calculate the binding energy per nucleon for 141ba.
The binding energy per nucleon for the atom, 141-Ba is 8.326 MeV per nucleon.
What is nuclear binding energy?Nuclear binding energy is the minimum energy required to separate the nucleus of an atom into its constituent protons and neutrons.
The protons and neutrons in the nucleus of an atom are collectively called nucleons.
The binding energy per nucleon for the atom, 141-Ba is given below:
The atom, 141-Ba has 56 protons and 85 neutrons.
The total mass of the 141-Ba nucleus is obtained from;
(56 * 1.007277) + (85 * 1.008665)
The total mass of the Li nucleus = 142.144 amu
The actual mass of 141-Ba = 140.883 amu
Mass defect = (142.144 - 140.883) amu
Mass defect = 1.261 amu
The total binding energy per nucleon in MeV is calculated as follows;
Total binding energy = 1.261 amu × 931 MeV
Total binding energy = 1173.991 MeV
The binding energy per nucleon in MeV per nucleon = 1173.991 MeV/141
The binding energy per nucleon in MeV per nucleon = 8.326 MeV per nucleon
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how to write an equilibrium constant expression
An equilibrium constant expression is a mathematical representation of a chemical reaction. It is expressed as the ratio of the product concentrations to the reactant concentrations, with each reactant or product placed in square brackets.
Equilibrium constant expression = [products]/[reactants]Steps to write an equilibrium constant expression:Start by writing out the chemical equation for the reaction that you want to create an equilibrium constant expression for. Make sure that all of the reactants and products are properly balanced. Place square brackets around each of the reactants and products in the equation. Divide the products by the reactants to create the equilibrium constant expression.For example, for the reaction A + B → C + D, the equilibrium constant expression would be written as [C][D]/[A][B]. The equilibrium constant expression can be used to calculate the degree to which the reaction is at equilibrium, which is important for predicting the behavior of the system.
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Which of the following statements about CH3OH and CH2O are true? The molecules of CH3OH can form London forces, dipole/dipole forces, and hydrogen bonds. The CH2O molecules can form London forces and dipole/dipole forces. Pure CH3OH will have a lower boiling point and a lower viscosity than pure CH2O. The molecules of CH3OH can form London forces, dipole/dipole forces, and hydrogen bonds. The CH2O molecules can form London forces only. Pure CH3OH will have a lower boiling point and a lower viscosity than pure CH2O. The molecules of CH3OH can form London forces, dipole/dipole forces, and hydrogen bonds. The CH2O molecules can form London forces, dipole/dipole forces, and hydrogen bonds. Pure CH3OH will have a lower boiling point and a lower viscosity than pure CH2O. The molecules of CH3OH can form London forces and dipole/dipole forces. The CH2O molecules can form London forces, dipole/dipole forces, and hydrogen bonds. Pure CH3OH will have a lower boiling point and a lower viscosity than pure CH2O. The molecules of CH3OH can form London forces only. The CH2O molecules can form London forces, dipole/dipole forces, and hydrogen bonds. Pure CH3OH will have a lower boiling point and a lower viscosity than pure CH2O. The molecules of CH3OH can form London forces, dipole/dipole forces, and hydrogen bonds. The CH2O molecules can form London forces and dipole/dipole forces. Pure CH3OH will have a higher boiling point and a lower viscosity than pure CH2O. The molecules of CH3OH can form London forces, dipole/dipole forces, and hydrogen bonds. The CH2O molecules can form London forces, dipole/dipole forces, and hydrogen bonds. Pure CH3OH will have a higher boiling point and a higher viscosity than pure CH2O. The molecules of CH3OH can form London forces, dipole/dipole forces, and hydrogen bonds. The CH2O molecules can form London forces and dipole/dipole forces. Pure CH3OH will have a higher boiling point and a higher viscosity than pure CH2O. The molecules of CH3OH can form London forces and dipole/dipole forces. The CH2O molecules can form London forces and dipole/dipole forces. Pure CH3OH will have a higher boiling point and a higher viscosity than pure CH2O. The molecules of CH3OH can form London forces, dipole/dipole forces, and hydrogen bonds. The CH2O molecules can form London forces and dipole/dipole forces. Pure CH3OH will have a lower boiling point and a higher viscosity than pure CH2O.
The statements that are true are as follows:
The molecules of CH3OH can form London forces, dipole/dipole forces, and hydrogen bonds.
The CH2O molecules can form London forces and dipole/dipole forces
The molecules of CH3OH can shape London forces, dipole/dipole forces, and hydrogen bonds.(True) Methanol is a polar molecule (1.sixty nine D), and so it famous all 3 of the van der Waals forces,
1) London dispersion force (vulnerable), methanol is an natural compound with low polarity
2) dipole-dipole forces
3) hydrogen bond (strong),that is an severe kind of dipole dipole interplay among partly nice hydrogen & partly negative oxygen withinside the methanol(CH3OH) molecule
The CH2O molecules can shape London forces and dipole/dipole forces.(True)
Formaldehyde(CH2O),like several atoms and molecules, may have very vulnerable London dispersion forces created as electrons shift withinside the electron cloud.as it possesses a everlasting dipole (primarily based totally at the polarized carbon-oxygen bond) formaldehyde additionally famous dipole-dipole interactions.
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Predict the ordering, from shortest to longest, of the bond lengths in CO , CO 2 , and CO3^2-. Rank from shortest to longest. To rank items as equivalent, overlap them.
The bond lengths are in the following order, shortest to longest: COCO2CO32-
What is bond length ?
The equilibrium separation between two bound atoms' nuclei in a molecule is known as the bond length. Bond multiplicity results in a reduction in bond length. It can be measured using rotational, X-ray, and other spectroscopic techniques.
The triple bond is the shortest and strongest, the double bond is the shortest and weakest, and the single bond is the longest and weakest. As a result, the triple bond in CO makes it the shortest bond, the double bond in CO2 makes it shorter and stronger, and the combination of double and single bonds in CO32 makes it the longest and weakest bond. Carbon-carbon bonds, which are found in diamonds, are thought to be the longest bond length. It lasts for 154 minutes. It is the longest because of the three-dimensional structure of diamond and the covalent bonds that hold the carbon atoms together.
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The half-life of iodine-123 is 13.3 hours. How much of a 25.0 mg sample will remain after 39.9 hours?
A. 3.12 mg
B. 6.25 mg
C. 1.56 mg
D. 25.0 mg
E. 12.5 mg
With a 25 mg initial concentration and a 13.3-hour half-life, iodine-123 will have a concentration of 3.09 mg after 39.9 hours.
,
C = logC0-Kt/2.302
a set up for chemical reactions where the rate of the reaction is proportional to the amount of the reactant and is reliant on the concentration of just one reactant.
Iodine-123 has a 13.3-hour half-life.
It is possible to determine K from the half-life formula.
The half-life of an ingredient is the amount of time it takes for it to degrade by half within your body.
T1/2 = 0.693/ K
13.3 hours = 0.693 K.
K= 0.052
K, C0, and t substitutions in the first-order kinetics equation
logC=log(25)-0.052 39.9/2.302
logC = 1.39-0.90
logC= 0.49
C = analog (0.49)
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2. (**) modern vacuum pumps make it easy to attain pressures of the order of 10-13 atm in the laboratory. consider a volume of air and treat the air as an ideal gas. a. at a pressure of 9.00 * 10-14 atm and an ordinary temperature of 300.0 k, how many molecules are present in a volume of 1.00 cm3 ? b. how many molecules would be present at the same temperature but at 1.00 atm instead?
The number of air molecules in a volume of 1.00 cm3 under the conditions of the vacuum pump is 3.65 * 10-15 moles and those that would be present at the same temperature but at 1.00 atm would be 0, 04 moles
The vacuum pump is a device that extracts gas molecules from a sealed volume, to create a partial vacuum, and is frequently used in industry, especially food.
To perform both calculations considering air as an ideal gas, the equation PV = nrt is used, in which
P = Pressure
V = Volume
n = number of moles
R = Gas constant
t = temperature
Calculation of the number of air molecules in a volume of 1.00 cm3 under the conditions of the vacuum pumpData
t = 300K
V = 1L
P = 9.00 * 10-14 atm
R = 0.082 L Atm / mol °K .
n = ?
PV = nrt
n = PV/rt
n = 9.00 * 10-14. 1 / 0.082 . 300
n = 9.00 * 10-14 / 24.6
n = 3.65 * 10-15 moles
Calculation of the number of molecules present at the same temperature but at 1.00 atmData
t = 300K
V = 1L
P = 1 atm
R = 0.082 L Atm / mol °K .
n = ?
PV = nrt
n = PV/rt
n=1. 1 / 0.082 . 300
n = 1 / 24.6
n = 0.04 mole
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describe the thought process you used to determine the number of nitrogen atoms in beryllium nitrite.
Answer:
The number of nitrogen molecules inside of berylluim nitrite are 5 cells.
Explanation:
if you wished to reduce the amount of co2 in the atmosphere, which source would be most important to control? explain why.
If you wished to reduce the amount of CO₂ in the atmosphere, The source would be most important to control is the fossil fuel.
The Fossil fuels are the main source of the carbon dioxide . so, to control the production of the carbon dioxide , CO₂ the most important source to control is the fossil fuel. when we burn the fossil fuels they will release the large amount of the carbon dioxide and the greenhouse gases in the air. the fossil fuels like the coal and the oil will increased the amount of the carbon dioxide in the atmosphere.
The process of the burning of coal involves the combination of the carbon and the oxygen in the air present to produce the carbon dioxide.
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Question 22 19 . Give the formula for magnesium hydrogen sulfate A) MgHSO3 b, B) Mg2( HSO4)2 C) MgzHSO3 d, D) Mg(HSO412 E) MgSO4
[Mg(HSO4)2] is the formula for magnesium hydrogen sulfate.
Hexamethyldisilazane (HMDS) has been used to mildly produce trimethylsilyl (TMS) ethers from a variety of primary, secondary, and tertiary aliphatic alcohols, aromatic alcohols, and oximes in the presence of magnesium hydrogensulfate [Mg(HSO4)2], a heterogeneous solid acid catalyst.
Additionally, under solvent-free conditions, 14-aryl-14H-dibenzo[a,j]xanthenes and 1,8-dioxo-octahydroxanthene derivatives were produced quickly in the presence of Mg(HSO4)2 in high to exceptional yields.
Some linear and cyclic aromatic acetals have been created using a reusable catalyst made of magnesium hydrogen sulphate in an environment devoid of solvents.
The features of this ecologically friendly method—such as its high product yield, straightforward work-up process, and avoidance of organic solvents—will help it immensely in its role as a green process.
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You have solid chemicals more than you what you need. You should:
You have solid chemicals more than you what you need. You should: call 1-800-222-1222
What is a solid chemical?Salts, mica, and diamond are a few examples. Metals: Elements and alloys make up solid metals, such as silver (e.g., steel). Generally speaking, metals are brittle, malleable, ductile, and good heat- and electricity-conductors. Ceramics: Ceramics are inorganic compound solids, typically oxides.
Call 1-800-222-1222 to talk with a regional poison control center in the United States. Calling this hotline number can connect you with poisoning specialists. They will provide you with more details. If you have any inquiries regarding poisoning, overdose, or overdose prevention, you should dial.
Never put used chemicals back in their containers. By doing this, you will contaminate it. Put the leftovers in the appropriate "waste container" for disposal.
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What’s the balanced chemical equation for the burning of copper wire
Answer:
2 Cu + O2 → 2 CuO
Explanation:
Sorry if I am wrong
describe how you would prepare 100.0 ml of a buffer solution from a solution of 0.100-m benzoic acid, , and a solution of 0.150-m sodium benzoate, . take the of benzoic acid to be 4.20.
A solutions of 0.100-m benzene would yield 100.0 ml when 76.0 ml of benzoic acid was added,
What purpose does benzoic acid serve?Due to its significant antibacterial action at pH 2.5 to 4.0, benzoic acid (BA) is a frequently used antimicrobial preservation in food and beverages, particularly carbonated ones. Bacteria and yeast growth, a major contributor to food spoiling, is inhibited by BA.
A toxin, is benzoic acid?Under typical circumstances, benzoic acid is both non-toxic and stable. Benzoic acid may still constitute a health concern, even though occupational exposure levels have not been determined, hence safe work procedures should always be followed: After handling, wash your hands thoroughly. Use just where there is good ventilation.
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a 15.0-ml sample of an electroplating solution is analyzed for its sulfuric acid concentration. it takes 52.6 ml of the 0.583 m to neutralize the sample. find the molarity of the sulfuric acid.
The molarity of the sulfuric acid from a 15ml sample of an electroplating solution is 1.022 M
It is the amount of a substance in a certain volume of solution. Molarity is defined as the moles of a solute per liters of a solution. Molarity is also known as the molar concentration of a solution.
How to calculate the molarity of the sulfuric acid?
Based from the rule of acidimetry and alkalimetry
The formula is :
V₁ * S₁ = V₂ * S₂
where
V₁ = 15ml
V₂ = volume of alkali solution = 52.6ml
S₁ = strength of acid solution in normality = unknown
S₂ = strength of alkali solution in normality = 0.583M (Because NaOH normality and molarity has the same value)
Now, let's go back to the formula
15 * S₁ = 52.6 * 0.583
S₁ = 30.6658 / 15
= 2.044N
The molarity of the sulfuric acid is
2.044 / 2 = 1.022 M H₂SO₄ (divided by 2 because H₂SO₄ is a dibasic acid)
So the molarity of sulfuric acid is 1.022 M.
This question is incomplete, The complete question is as follows :
a 15.0-ml sample of an electroplating solution is analyzed for its sulfuric acid concentration (H₂SO₄). it takes 52.6 ml of the 0.583 M NaOH to neutralize the sample. find the molarity of the sulfuric acid.
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Three grams of the same substance in different phases are stored in three different containers. Each container is barely large enough to hold the substance.
Which statement can be known about the behavior of the atoms in each container?
What can be known about the particles of the matter is that; the atoms in the solid would be vibrating in position. Option C
What are the phases of matter?We know that matter is anything that has weight and occupy space. When we have matter in the solid state, the matter that is in the solid is made up of particles that are not able to translate. This implies that they can not move from one point to another but they are able to vibrate steadily and remain in their fixed positions.
The matter that is in the liquid phase is composed of materials that are able to move from one point to another but the speed of the particles is low and the degree of freedom of the particles is also limited.
For matter in the gaseous phase, the particles are moving quite freely and they tend to move speedily from one point to the other and they have a very high degree of freedom in that phase of matter.
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Missing parts;
Three grams of the same substance in different phases are stored in three different containers. Each container is barely large enough to hold the substance. Which statement can be known about the behavior of the atoms in each container?
A) The atoms in the solid would be moving vigorously around the container.
B) The atoms in the liquid would be vibrating in position.
C) The atoms in the solid would be vibrating in position.
D) The atoms in the gas would be moving slowly around the container.
Please help fast!!!
Terry and James are partners in a mystery lab. The boys have a compound light microscope and several unlabeled slides. Their task is to find out everything they can about the samples on the slides. Terry puts a slide on the microscope stage and focuses the lenses on the sample. He can see that the sample is made up of tiny cells.
Even without knowing anything else about the cells he sees, what can Terry reasonably conclude about them?
From the samples on the slide made up of tiny cells, Terry can conclude that the cells were produced by other cells.
How does cell production occur?Cell production occurs often in a human protein, such as yeast, bacteria, or mammalian cells in culture, which then start producing the protein in large quantities. A new organism is created during the process of splicing a gene into a production cell.
Cells are often produced from other cells by the process of replication. All living things, from microorganisms to humans, rely on cells for structure and function. Scientists regard them as the tiniest form of life. Cells contain the biological machinery that produces the proteins, chemicals, and signals that are responsible for everything that occurs within our bodies.
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in double replacement reactions, why will two metals not combine with each other when products are formed?
When pieces of two ionic compounds switch places to create two new compounds, it is called a double replacement reaction also known as a double displacement, exchange, or metathesis reaction
what is The definition of double displacement reaction?One in which one reactant is only partially replaced by another is referred to as a twofold displacement reaction.
A list of double reactions is provided below:
AB = CD + CB + CD + AD
A twofold replacement process involves exchanging the same ions from two reactant ionic bonds for two new product compounds.
Two reactants transfer cations or anions to create two new products in a double replacement reaction.
Metathesis reactions double and displacement reactions are additional names for dual replace procedures.
Double replacement reactions include, but are not limited to, precipitation, gas production, and neutralization.
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3-Methyl-1-butene reacts with bromine under high temperature, 350 °C, to give 1- 7.(16) bromo-3-methyl-2-butene as the major product. Propose an acceptable mechanism that accounts for the formation of this product. Your answer must include each of the major steps of this chain reaction including the initiation and one of the terminations steps heat
3-methyl-1-butene is a terminal acetylenic compound that is but-1-yne substituted by a methyl group at position 3. It has a role as a metabolite. It is a terminal acetylenic compound and an alkyne. It derives from a hydride of a but-1-yne.
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if a second-period diatomic molecule has 16 electrons in its valence shell (total of 2s and 2p electrons), what is the predicted bond order of the molecule?
If a second-period diatomic molecule has 16 electrons in its valence shell (total of 2s and 2p electrons), the predicted bond order of the molecule would be 2
Number of bonding electrons= 10
Number of antibonding electrons= 6
Bond order = (10−6)/2
∴ Bond order = 2
What is bond order?
In molecular orbital theory, the bond order is defined as half the difference between the number of bonding electrons and the number of antibonding electrons according to the equation below. This often, but not always, gives similar results for bonds near their equilibrium length, but does not work for stretched bonds. Bond order is also an index of bond strength and is also widely used in valence bond theory.The bond orders of one half can be stable, as shown by the stability of H+To know more about bond order, click the link given below:
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Write the formula of each of the following ions or compounds.
(a) pentaaquachlorochromium(III) chloride
(b) tetraamminedinitrorhodium(III) bromide
(c) dichlorobis(ethylenediamine)ruthenium(III)
(d) diaquatetrachlororhodate(III)
(e) triamminetribromoplatinum(IV)
The formulas for the given entities are described as follows:
a) [Cr(H2O)5Cl]2+
b) [Rh(NH2)4(NO2)2Br]3+
c) C4H16Cl3N4Ru.
d) [Rh(H2O)2(Cl)2]3+
e) Cl4H6N2Pt+2
Coordination compounds are molecules that poses one or a couple of metal facilities this is sure to ligands (atoms, ions, or molecules that donate electrons to the metal). These complexes may be impartial or charged. When the complicated is charged, it's miles stabilized through neighboring counter-ions
The formula for pentaaquachlorochromium(III) chloride is [Cr(H2O)5Cl]2+.
The formula for tetraamminedinitrorhodium(III) bromide is [Rh(NH2)4(NO2)2Br]3+
The formula for dichlorobis(ethylenediamine)ruthenium(III) is C4H16Cl3N4Ru.
The formula for diaquatetrachlororhodate(III) is [Rh(H2O)2(Cl)2]3+ .
The formula for triamminetribromoplatinum(IV) is Cl4H6N2Pt+2.
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Determine whether each compound is soluble or insoluble. For the soluble compounds, list the ions present in solution. a. AgI b. Cu3(PO4)2 c. CoCO3 d. K3PO4
All iodide anions are soluble, but Ag + + + ions are specified as an exception in the solubility criteria. AgI cannot be dissolved as a result.
Give an example of the distinction between soluble and insoluble substances?Insolubility is the property of a solute to dissolve only partially in a solvent. Significant amounts of soluble matter dissolve in water. Insoluble materials do not dissolve significantly in water. The polarity of the material affects its solubility.
What kinds of compounds are soluble and insoluble?Things that dissolve in water are referred to as soluble. Salt and sugar are soluble substances, as examples. Things that don't dissolve in water are said to be insoluble. Sand and flour are examples of insoluble materials.
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would you expect frenkel defects for anions to exist in ionic ceramics in relatively large concentrations? why or why not?
No because anions are very large and will most likely not exist as an interstitial impurity.
What is interstitial impurity?
A point defect that develops when an impurity atom takes up residence in an octahedral or tetrahedral hole in the lattice of adjacent atoms.
Give an example of an interstitial impurity flaw?
It is a specific kind of point flaw. It can be fixed into a lattice's tetrahedral or octahedral hole and is quite tiny. For instance: Interstitial impurities are bound to carbon atoms with steel that contains iron.
What does the chemical term "interstitial" mean?
All atoms that are interstitials are positioned between other atoms rather than where they normally would be. A self interstitial atom in an elemental fcc crystal is depicted in the picture as a straightforward example.
Interstitials are found in the spaces between the spheres of the crystal, which can be thought of as a periodic arrangement of hard spheres.
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in the titration of a strong acid with a strong base, how do you calculate these quantities? a. initial ph b. ph before the equivalence point c. ph at the equivalence point d. ph beyond the equivalence point
H3O+ is overexposed before the equivalency point. By deducting the amount of additional OH- from the amount of starting H3O+ then dividing by the total volume, you may determine the [H3O+].
How do volume and example work?The capacity of an object is expressed in terms of volume. A cup's capacity is described as 100 ml, for instance, if it can hold 100ml in its brim. The quantity of space a three-dimensional item takes up can also be referred to as volume.
What do mass and volume mean?A three-dimensional object's volume, which is expressed in cubic units, is the amount of space it takes up. The cubic units cm3 and in3 are two examples. On the other hand, mass is a measurement of the amount of matter in an item. How much an object weighs is frequently used to determine mass.
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Identify each Item below as being acidic, basic or neutral when dissolved to consult your in water You may fInd it helpful experimental results, as well as your textbook and Appendix E.... a) NaCl:_____ b) NaHcOz:______ c)sodlum citrate:_______ d) MgHPo4: ______
The following items when dissolved in water are:
a) NaCl: neutral
b) NaHCO₃: basic
c) Sodium citrate: basic
d) MgHPO₄: neutral
The ions that are formed when the NaCl is dissolved in water are OH⁻ and H+. The two will neutralize each other, and not react with water. In other words, the NaCl salt is only ionized and not hydrolyzed, so the resulting solution is neutral (pH = 7).
The sodium bicarbonate (NaHCO₃) compound works by decomposing itself into sodium and bicarbonate in water, so that the solution becomes alkaline (basic) and is able to neutralize acids.
Sodium citrate when dissolved in water will undergo partial hydrolysis and is alkaline (basic)
MgHPO₄ in water will be neutral because it does not undergo hydrolysis.
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Which of the following solution has highest boiling point (with explanation)
a. 0.1 M glucose b. 0.1 BaCl2 c.0.1NaCl d. 0.1M urea
The relationship between a solution's boiling point and its ion production is direct. BaCl2 has the highest boiling point because it produces the most ions.
Why does water boil?
A liquid's boiling point changes depending on the pressure being applied; the normal boiling temperature is the point when the air pressure at sea level is equal to the vapour pressure.
What does boiling point mean in a nutshell?
the point at which a liquid's vapor pressure equals the atmosphere's pressure on it; for water at water level, this temperature is 212°F (100°C). Shorthand: b.p. 2.
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