Bonds form because favorable interactions between orbitals and the electrons in those orbitals allow the system to become more stable. High ionization energy means low reactivity.
Do more electrons necessarily imply less reactivity?With more shielding electrons in an atom, reactivity diminishes. A negative charge is present in electrons. The outer-shell electrons are thus pushed back by the inner-shell electrons. The nucleus's attraction to the surrounding electrons is reduced by this repulsion.
Why does bonding make energy go down?Because covalent bonds carry less energy than individual atoms would, they are more stable. The diagram shows how the potential energy of the system drops as the atoms first start to interact because the attractive attraction outweighs the repulsive force.
Are more reactive people more electron-affinity?Reactivity often rises as electron affinity does. The idea of electron affinity and the nonmetals' reactivity are closely related.
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What carbonyl compounds might you start with in a Grignard synthesis of the following compound?
3-phenyl-3-pentanol
- You do not have to consider stereochemistry.
- If more than one structure fits the description, draw them all. There may be up to three carbonyl compounds that could be used.
- Any ester used should be a methyl ester.
- Draw one structure per sketcher. Add additional sketchers using the dropdown menu in the bottom right corner.
- Separate structures with + signs from the dropdown menu.
There are two methods for performing 3-phenyl-3-pentanol retrosynthesis. Ethyl groups are detached in the first way, and phenyl groups are disconnected in the second.
What in chemistry is a Grignard?A chemical molecule with the generic formula R-Mg-X, where 'X' is a halide & 'R' is an organic group, typically an alkyl or aryl, is known as a Grignard reagent and maybe Grignard compound.
What is the purpose of Grignard?It is possible to count the halogen atoms in a halogen compounds using Grignard reagents. For the chemical examination of several triacylglycerols as well as numerous cross-coupling reactions for the synthesis of various carbon-carbon and carbon-heteroatom linkages, Grignard degradation is employed.
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Which set shows the physical states of water, H2O, in order according to the increasing energy of particle motion
Hydrogen and oxygen are elements and make up the chemical molecule water. Reverse chemistry, in general, decomposes substances into their constituent parts. As an illustration, the process of electrolysis allows the complex water to be broken down into the components hydrogen and oxygen.
What is chemical molecule ?Chemists investigate the chemical, physical, and physical characteristics of matter. Anything that takes up space and has mass is considered to be matter, which is what they are made of. Like peanuts, people, and postage stamps, gold and iridium are all examples of matter. Matter includes pollution, smoke, and hysteria. However, matter does not exist in energy, light, or sound, and neither do concepts or feelings.The amount of matter that makes up an object's mass. It is important to distinguish between an object's mass and weight since weight is a force brought on by the object's gravitational pull. Unaffected by an object's position, mass is one of its fundamental properties.In terms of physics, the force needed to change the speed or direction of an item is directly inversely related to its mass. Essential Skill 1 includes a more thorough explanation of the distinctions between weight and mass, as well as the units used to measure them (Section 1.9). Contrarily, an object's weight changes according to its location. Because the gravitational pull of the moon is around one-sixth as strong as that of Earth, an astronaut with a mass of 95 kg only weights about 35 lb there instead of 210 lb there. Weight and mass are frequently used interchangeably in laboratories for practical purposes.To Learn more About chemical molecule refer To:
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select the best statement. multiple choice physical changes may be reversed by changing the temperature. physical changes alter the composition of the substances involved. physical properties are not valid characteristics for identifying a substance. physical properties are mostly extensive in nature. physical changes are usually accompanied by chemical changes.
The best statement is: Physical changes may be reversed by changing the temperature.
What physical changes can be reversed?Physical changes which involve a change of state are all reversible. Other changes of state consist of vaporization (liquid to gas), freezing (liquid to solid), and condensation (gas to liquid). Dissolving is also a reversible physical change.
Physical changes are reversible. A change where no new substances are formed can basically be reversed by reversing the conditions is called a physical change.
A physical change includes a change in physical properties. Some examples of physical properties, such as: transition to a gas, change of strength, melting, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.
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Using the data in the table, which of the conjugate acids below is the weakest acid? Show your work please.
A. HClO
B. H2S
C. NH3CH3+
D. HCO3-
E. H2S and HClO
Base Kb
ClO- 3.3 x 10-7
CO3-2 1.8 x 10-4
HS- 1.8 x 10-7
NH2CH3 4.4 x 10-4
The compound with the lowest acidity and the highest base, NH2CH3, has the highest Kb value; otherwise, the lower the acidity, the higher this same Kb value, and vice versa.
What causes acidity to form?Stomach acid can enter the esophagus if the sphincter muscle at the bottom of the esophagus relaxes at the wrong time. This could cause heartburn and other symptoms as well. Reflux may be a regular or persistent cause of GERD.
What symptoms might a body with too much acid produce?When the pH is too acidic, the cells in the pancreas, small intestine, and stomach that are responsible for producing and secreting digestive juices don't function properly. Bloating, gas, cramps, or indigestion follow as a result of this.
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2. Explain, in terms of electrons, what a negative lon indicates.
Answer:
when the atom have electrons more than protons
and thats what called negative ion
Explanation:
compound description ionic or molecular? 1 Compound 1 is a hard white smooth odorless solid, which is insoluble in water. If the flame from an ordinary laboratory burner is held on the solid for 10 minutes, the solid grows hot to the touch but does not soften.
Compounds are referred to as molecular because they are a solid that is hard, smooth, and odourless and are insoluble in water. if the solid spends 10 minutes in contact with a normal laboratory burner's flame.
Moles are composed of nonmetals (or covalent compounds). Atoms of different elements mix in specific proportions to form molecules of compounds. such as carbon dioxide, water, and ammonia. In ionic compounds, both metals and nonmetals can be present. Ionic substances are categorised as having both positive and negative ions. The terms "cation" and "anion" are used to describe different types of ions. While metal ions surrender their electrons to form cations, non-metals take electrons to form anions. The ions are composed of both positive and negative ions.
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what is two colorless liquids mix together and a purple solidi settles to the bottom of the beaker, what chemical change has taken place
Answer: Chemical Change
Explanation:
A chemical change is a change in which a chemical substance is transformed into one or more different types of substances. Chemical changes happen through the process of chemical reactions resulting in substances with different properties.
Chemical changes are irreversible and also known as permanent changes in which a completely new substance is formed.
Pa help po!
Nonesense-REPORT
Answer:
simply use the differentiation method
alkane members are single bonded and are Sp3 hybridized with tetrahydral geometry
Alkenes or other atoms with double bonds are Sp2 hybridized and Alkynes is a triple bond with Sp hybrid
you can also use the steric number formula which is Atoms+lone pairs =Steric number
in this case the type of bond doesn't matter
point(s) where only a gas is present b) temperature at which vaporization occurs c) point(s) where a mixture of a solid and a liquid are present d) point(s) where a gas turns into a liquid e) temperature at which the substance starts to freeze f) range where there is only a liquid
The solution for the above questions are gas phase, boiling point, the solid-liquid (melting point) phase, condensation point, freezing point and liquid phase respectively.
What is vaporization?Vaporization is the process by which a substance is transformed from its liquid or solid state into its gaseous (vapor) state. Boiling is the term for the vaporization process when conditions permit the formation of vapor bubbles within a liquid. Sublimation is the process of directly converting a solid into a vapor.
a) point(s) where only a gas is present: the gas phase
b) temperature at which vaporization occurs: the boiling point
c) point(s) where a mixture of a solid and a liquid are present: the solid-liquid phase boundary
d) point(s) where a gas turns into a liquid: the condensation point
e) temperature at which the substance starts to freeze: the freezing point
f) range where there is only a liquid: the liquid phase
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True or false the main factor affecting the speed of sound in air is the pressure of the air
Answer:
FALSE
Explanation:
The temperature of the air has a significant impact on the speed of sound in that medium. The square root of the absolute temperature of the air determines the speed of sound in that medium. The speed of sound rises along with temperature.
The speed of sound is also influenced by pressure, however this influence is minimal. The speed of sound will rise with increasing pressure and decrease with decreasing pressure, however the effect is quite tiny in comparison to the influence of temperature.
In conclusion, air temperature has a significant impact on the speed of sound in air, with pressure having a marginally smaller impact.
Please help with this
Generally, The functional group present in U is likely alcohol or a carboxylic acid, as it produces effervescence when heated with sodium metal (a common test for the presence of these functional groups). The functional group present in W is likely an aldehyde or a ketone, as it produces a sweet, fruity smell when warmed with U in the presence of a catalyst.
The gas produced by the reaction between U and sodium metal is likely hydrogen gas (H2). The gas produced by the reaction between W and sodium hydrogen trioxocarbonate (IV) solution is likely carbon dioxide (CO2).
The reaction between U and sodium metal is likely a substitution or neutralization reaction. The reaction between U and W is likely an oxidation reaction, as a catalyst is required for the reaction to occur and it produces a sweet smell.
The catalyst used in the reaction between U and W is likely a strong oxidizing agent such as potassium permanganate or a Tollens' reagent.
If the molar mass of W is 74 g/mol, the molecular formula of the compound is likely C2H6O, as this is the simplest molecular formula that has a molar mass of 74 g/mol.
The structural formula of the compound would be a simple straight-chain alcohol like CH3-CH2-OH
The reaction between magnesium and 1.0 mol dm-3 ethanoic acid would be slower than the reaction between magnesium and 1.0 mol dm-3 hydrochloric acid because ethanoic acid is a weaker acid than hydrochloric acid. This means that it will have a weaker attraction to the electrons in the magnesium metal, making it less likely to react and therefore the reaction will be slower.
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Determine the equivalent capacitance between points a and b for the combination of capacitors shown inExpress your answer in terms of the variables C1, C2, C3, and C4.
The answer in terms of the variables C₁, C₂, C₃, and C₄ i Cequation is
(C₁ + C₂)(C₃ + C₄)/ C₁ + C₂+C₃ + C₄
Why do you use the term capacitance?A component or circuit's capacitance is its capacity to accumulate and store electrical charge as a form of energy. Energy-storing devices known as capacitors come in a variety of sizes and shapes.
C₁ and C₂ are parallel. C₃ and C₄ are parallel in a similar manner. The two parallel combinations are connected to one another in a series. To determine the equivalent capacitance, we use the series and parallel combination concept.
C₁ ₂ = C₁ + C₂
C₃ ₄ = C₃ + C₄
Ceq = C₁ ₂ C₃ ₄/C₁ ₂ + C₃ ₄
Ceq = (C₁ + C₂)(C₃ + C₄)/ C₁ + C₂+C₃ + C₄
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the specific heat of copper is 0.385 j g c if 34.2 g of copper, initally at 24.0 c absorbs 4.689 kj, what will be the final temperature of the copper?
A final temperature for copper is 380.12 degrees celsius, according to the question.
By specific heat, what is meant?The amount of heat needed to raise a substance's temperature by one degree Celsius in one gram, also known as specific heat. Typically, units and joules / gram per degree Celsius are used as the measure of specific heat. For instance, water has a specific heat of 1 calories (about 4.186 joules) each gram per degree Celsius.
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Amount of energy absorbed per gram of copper:
4.689 kJ ÷ 34.2 g = 137.4 J/g
The specific heat of copper:
137.4 J/g ÷ 0.385 J/g⋅°C = 357.5 °C
24.0 °C + 357.5 °C = 381.5 °C
What is specific heat ?A material's specific heat is a thermodynamic characteristic that quantifies the amount of energy required. The units used to describe it are joules per kilogram-kelvin (J/kg-K). As it relates to a material's capacity to store and transmit thermal energy, it is a crucial feature for understanding how materials react to variations in temperature. Specific heat can range between only few hundred joules per kilogram-kelvin in gases through a few thousand for solids, depending on the substance.
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Solid copper reacts with solid sulfur to form solid copper(I) sulfide. Express your answer as a chemical equation. Identify all of the phases in your answer. Solid iron(III) oxide reacts with hydrogen gas to form solid iron and liquid water. Express your answer as a chemical equation. Identify all of the phases in your answer.
We have one copper atom on the left side and two copper atoms on the right side (in Cu2S). Cu on the left side must be multiplied by two in order to equalize the amount of Cu.
What chemical formula describes the reaction where copper and sulfur combine to generate copper I sulfide?
According to the following balancing equation, copper and sulfur combine to generate copper(I) sulfide: CuzS = 2Cu(s) + S(s) (s)
What happens when sulfur and copper are heated?
A dark grey, brittle crystalline solid of copper sulfide is formed when the heated sulfur gas (S8, S4, and S2) reacts quickly with the copper wire.
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A farmer applie 1550. 1 kg of a fertilizer that contain 10. 0% nitrogen to hi field each year. Fifteen percent (15. 0%) of the fertilizer wahe into a river that run through the farm. If the river flow at an average rate of 0. 1401 cubic feet per econd, what i the additional concentration of nitrogen (expreed in milligram of nitrogen per liter) in the river water due to the farmer' fertilizer?
The 0.1857 mg/L additional concentration of nitrogen the river water due to the farmer' fertilizer.
What makes a good fertilizer for nitrogen?Please take a look at our nitrogen-rich fertilizers, which consist of the following: if you want to increase the nitrogen content of your soil. 21-0-0 Ammonium Sulfate 4-0-0 Crustacean Meal. 12-0-0 Feather Meal.
What is the ideal nitrogen source?Manures, ground-up animal parts (blood meal, feather dust, leather dust), and seed meals are the richest organic sources of nitrogen (soybean meal, cottonseed meal).
Given that a farmer uses 1550.1 kg of fertilizer → 10% nitrogen
15% of the fertilizer is said to be washed into the river,
(15/100) × 1550.1 = 232.51 kg
The amount of nitrogen molecule in the washed fertilizer is :
10% of 232.51 kg
= (10/100) × 232.51 kg
= 0.1 × 232.51 kg
=kg in a year.
The river flows at an avg. rate of 0.1401 ft³/sec
Then the amount of river water in a year = [tex]0.1401\frac{ft^3}{sec} *3.155*10^7sec[/tex]
since 1 ft³ = 28.3168 L
the amount of river water in a year = [tex]0.1401(28.3168)*3.155*10^7[/tex]
the amount of river water in a year = 125164645
The concentration of nitrogen molecule= mass/volume
[tex]=\frac{ 23.25 *10^6mg}{125164645L}[/tex]
= 0.1857 mg/L
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which ions do not appear in the net ionic equation for the precipitation that involves solutions of cacl2 and k2co3?
K+ and Cl- ions are not included in the net ionic equation for the precipitation involving cacl2 and k2co3 solutions.
What belongs where in an ionic formula?By taking note of each cation's name, symbol, and charge, one can determine the ionic compound's formula. Once the anion's identity has been established, record its symbol or charge. Create an electrically neutral substance by mixing the two ions.
What precisely is a straightforward ionic equation?Only the ions that really are present throughout a process are shown in chemical equations called ionic equations. Ions that mix in liquid to react and form new compounds is another way to say it. The other ions who choose not to participate are known as spectator ions.
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considering both the effect of volume and the effect of intermolecular forces, how would the deviation from the ideal behavior of a gas change when the gas is at a higher temperature
I'm choosing a value of 298 K, a volume of 1 liter, and 2 and 4 particles to compare the effects of volume and intermolecular forces in this specific scenario, which will be larger than what the ideal gas law predicts.
How do intermolecular forces differ depending on volume?
The intermolecular distances between gaseous molecules are generally large at low pressures, but as the gas pressure rises, they get less and less (Figure 5.10. 3). As a result, its volume taken up by the molecules rises much over the container's volume.
Why does the ideal gas rule break out at high pressures for gases?
It is assumed that the molecules in an ideal gas have no gravitational pull on one another and take up no space. However, real molecules do have limiting volumes and are attracted to one another. Therefore, under high pressures, a gas behaves differently than it should because of the attraction between its molecules.
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8. the potassium spectrum has an intense double with line at 766.494nm and 769.90nm Calculate the frequency difference between these two lines?
The frequency difference between these two line is -1.59 x 10^11 Hz.
How can we calculate the frequency?To calculate the frequency difference between the two lines, apply the equation:
Frequency (Hz) = Speed of light (m/s) / Wavelength (m)
First, convert the wavelength of the first line to meters: 766.494 nm * (1 m / 1,000,000,000 nm) = 7.66494 x 10^-7 m
then, calculate the frequency of the first line: 3 x 10^8 m/s / 7.66494 x 10^-7 m = 3.9405 x 10^14 Hz
Repeat the same process for the second line: 769.90 nm * (1 m / 1,000,000,000 nm) = 7.699 x 10^-7 m
Frequency: 3 x 10^8 m/s / 7.699 x 10^-7 m = 3.9246 x 10^14 Hz
Subtract the frequency of the first line from the frequency of the second line to find the frequency difference:
3.9246 x 10^14 Hz - 3.9405 x 10^14 Hz = -1.59 x 10^11 Hz
So the frequency difference between the two lines is -1.59 x 10^11 Hz
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a 1.0 l sample of a pure gas is found to have a smaller volume than that predicted by the ideal gas law. the best explanation for the observation is that the molecules of the gas:
Since the gas molecules are drawn to one another, they do not press as hard on the container walls as they would if there were no mutual attraction between them.
Describe a molecule.The smallest component of a chemical element or compound, a molecule possesses the chemical characteristics of that element or compound. Atoms are joined together through chemical bonds to make molecules.
How is a molecule created?When more than two atoms come together and form bonds with one another, a molecule is created. Each atom shares an electron when a bond is formed between them. A molecule is created as a result of a covalent bond.
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Carboxylic acids are weak acids and dissociate in aqueous solution to the carboxylate anion. RCOOH(aq) <=> Rcoo-(aq) + H'(aq) The extent of dissociation is given by the equilibrium dissociation constant, Ka, which is often expressed in its logarithmic form as pKa. (The cation is written simply as Ht and is understood to be solvated with one or more water molecules in solution.) If an acetic acid/acetate buffer is 0.020 M in acetic acid and has a pH of 4.87, what is the molar concentration of the acetate ion? The pKa of acetic acid is 4.75. CH3COO- = ?
atom forms a double bond with an oxide (O) atom and a single bond with a carboxylic group (OH).The pKa of acetic acid is 4.75. CH3COO- = 5.0510. Hence it is an acidic solution.
Why do some reactions use carboxylic acid as a base?In their reactions, carboxylic acids frequently function as a base. The proton that the carbonyl oxygen molecule receives considerably increases the + energy on the carbocation.it is a acidic buffer as it contains acetic acid (weak acid) and it salt with strong base(NaOH) so the formula is = pH= pka+ log(salt)/(weak acid) hence ... pH=4.75+ log(0.25)/(0.125) =4.75+ log(2) =4.75+0.3010 =5.0510
Is carboxylic acid an aldehyde or ketone?Carbonyl substances with a double bond between carbon and oxygen include aldehydes, ketone, and carboxylic acids. These organic substances have numerous industrial uses in addition to being very significant in the science of organic chemistry.
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given the equation representing a reaction: 2h2(g) 2no(g) -> n2(g). what is the mass of n2(g) produced when 1.0 gram of h2(g) completely reactics with 15.0 grams of n0
the masses expect for nitrogen gas. Let's say x is the mass of nitrogen gas.
X=7g reaction of given the equation representing .
What is nitrogen used for?Nitrogen is important to the chemical industry. It is used to make fertilisers, nitric acid, nylon, dyes and explosives. To make these products, nitrogen must first be reacted with hydrogen to produce ammonia. This is done by the Haber process.
Is nitrogen harmful to humans?Every year people are killed by breathing “air” that contains too little oxygen. Because 78 percent of the air we breathe is nitrogen gas, many people assume that nitrogen is not harmful. However, nitrogen is safe to breathe only when mixed with the appropriate amount of oxygen.
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Percent Yield For the following balanced chemical reaction: 2 Hg O2 -- 2 HgO If you start with 33 grams of Hg and you produce an actual amount of 25 grams HgO in the lab what is the percent yield
The percentage yield for the subsequent chemical reaction is 75.76%.
What is a reaction in science?Chemical elements or chemical compounds make up substances. A response is a movement, propensity, or action that is taken in the opposite direction from what is intended. Reactions are made on the spur of the moment, without much thought or consideration of the potential outcome. Response: Saying something in response to another person's action or comment.
What are reactions examples?In daily life, there are several examples of chemical processes, such as photosynthesis, rust, baking, digesting, combustion, chemicals batteries, fermentation, and cleaning with soap and water. Not only in the chemistry lab, but all over the place, there are chemical reactions going on.
Hg=33 grams
HgO=25 grams
Percent yield = HgO/Hg×100
=33/25×100
=75.76%
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what is the strongest type of intermolecular force present between two nh2ch3 molecules? (en values: n
The strongest type of intermolecular force present between two NH2CH3 is Hydrogen bonding.
The intermolecular force is an electrostatic attraction between positive and negative poles of molecules. The electrostatic force is directly proportional to the strength of a physical property. The strength of an intermolecular force based on the magnitude of the charges and the distance between each other. strongest type of intermolecular force in methylamine is Hydrogen bonding. Hydrogen bonding is a special type of dipole-dipole force. It arises between the H atom bonded to an N, O, F atom of one molecule and the N, O, F atom of another. It is stronger than dipole-dipole forces. it is due to the electronegativity of the N, O, and F atoms and the polarity between the electronegative atoms and the H atom.
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Two or more substances which are not chemically combined but only mixed together form a ________.A.residueB.compoundC.distillateD.mixture
Two or more substances which are not chemically combined but only mixed together form a mixture.
What is a Chemical mixture?When two or more things come together physically rather than chemically, they form a combination. Heterogeneous and homogeneous mixes are the two primary types of mixtures. When a combination is homogeneous, all of the ingredients are spread uniformly (salt water, air, blood).A mixture is considered heterogeneous if its composition is not constant throughout the solution. A pure material or a homogenous mixture is what is meant by the term "single-phase." In a heterogeneous mixture, there are at least two stages.Additionally, homogenous mixtures, usually referred to as solutions, can exist. The constituent particles of a mixture are similar and have a consistent makeup.Learn more about Chemical mixture refer to :
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pure gold has a density of 19.600 g/cm3. how large would a piece of gold be if it had a mass of 316.90 g?
The formula for density is:D=M/V,The peice of gold must be: V=16.51 cm^3Au.
Why is density important?
The density of a place refers to the quantity of things—which may include people, creatures, plants, or objects—there are in it. Divide the quantity of objects even by area's measurement to determine density. A country's population density is calculated by dividing its total population by its area, expressed in square kilometres or miles.
In its simplest form, what is density?
We use the word "density" to indicate how much space (or "volume") an object or a substance occupies in terms of the amount of variables contained therein (its mass). Density can also be defined as the quantity of mass in a volume. A hefty, compact object has a high density.
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Describe the behavior of the particles in liquid alcohol
Answer:
When the liquid gains energy the particles move more rapidly causing an increase in the volume. When the liquid gains energy the particles move more slowly causing a decrease in volume.
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the concentration of a solution is 284,000 ppm. how many grams of solute is contained in 100 grams of solution?
100 grams of solution would contain 28.4 grams of solute, since 284,000 parts per million is equal to 28.4 grams per 100 grams of solution.
What is solute?A solute is a substance that is dissolved in a solution. It can be either a solid, liquid, or gas, and it is the component of the solution that is present in the lesser amount. When a solute is dissolved in a solvent, the solute molecules interact with the solvent molecules to form a new solution with different properties than either of the two components.
To calculate the amount of solute present in the solution, we can use the formula:
Grams of solute = (Concentration of solution in ppm) x (Volume of solution in mL)/1,000,000
In this case, the concentration of the solution is 284,000 ppm and the volume of solution is 100 grams. Plugging the values into the formula, we get:
Grams of solute = (284,000 ppm) x (100 grams)/1,000,000
Grams of solute = 28.4 grams
Therefore, 100 grams of solution would contain 28.4 grams of solute.
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Classify each of these compounds as an Arrhenius acid, an Arrhenius base, or neither.
NaOH, NaCl, AgOH, HClO, Ca(OH)2, H3PO4, HF, HBr, Zn(OH)2, CH4
[tex]\rm NaOH[/tex], [tex]\rm AgOH[/tex], [tex]\rm Ca(OH)_2[/tex], [tex]\rm Zn(OH)_2[/tex] are Arrhenius bases, [tex]\rm HClO[/tex], [tex]\rm H_3PO_4[/tex], HF, HBr are Arrhenius acids and NaCl, [tex]\rm CH_4[/tex] are Neither.
When dissolved in water, an acid is a chemical that raises the concentration of hydrogen ions. Acids often taste sour, can turn blue litmus paper red, and can release hydrogen gas when they react with certain metals. A base, sometimes referred to as an alkali, is a chemical that raises the level of hydroxide ions in water when it is dissolved in it. When dissolved in water, an Arrhenius base raises the concentration of hydroxide ions in the solution. When dissolved in water, an Arrhenius acid is a chemical that raises the concentration of hydrogen ions in the solution. Neither Arrhenius acids nor bases are substances that do not split into ions when dissolved in water.
Arrhenius bases: [tex]\rm NaOH, AgOH, Ca(OH)_2, Zn(OH)_2[/tex]
Arrhenius acids:[tex]\rm HClO, H_3PO_4, HF, HBr[/tex]
Neither: [tex]\rm NaCl, CH_4[/tex]
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Suppose I have enough ingredients to make 25 cookies, but when I go to bake them, | only get 18. What percent yield did I obtain?
You obtained a 72% yield. Suppose I have enough ingredients to make 25 cookies.
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Predict what must happen when a beaker containing a solution of lithium chloride is heated. (choose all that apply) a. The reaction will become endothermic. b. The delta(H) of solution value will decrease. c. The solubility of lithium chloride will increase. d. Energy will be transferred into the system.
Answer:
c. The solubility of lithium chloride will increase
