Chem 2 ACS final exam Questions and Answers | 100% Pass

Chem 2 ACS final exam Questions and Answers | 100% Pass ideal gas law conditions - ️️ Correct-low pressure, high temperature boyle's law - ️️ Correct-p1v1=p2v2 gases are highly _________ - ️️ Correct-compressible gases expand ________ to fill the container they are placed in - ️️ Correct- spontaneously the distance between molecules in gases are _____ - ️️ Correct-far apart in gases 1 mol of any gas at STP is - ️️ Correct-22.4 liters the lighter the gas, _____ - ️️ Correct-the faster the effusion rate the deviation from ideal behavior of a gas is most evident at high _____ and low _____ - ️️ Correct-pressure, temp Non reacting gas mixtures are homongeneous - ️️ Correct- normal melting point at - ️️ Correct-760 torr or 1 atm the kinetic-molecular theory predicts that pressure rises as the temperature of a gas increases because_______ - ️️ Correct-both the gas molecules collide more frequently with the wall and the gas molecules collide more energetically with the wall hydrogen bonding - ️️ Correct-H with N,O,F TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD OWNER: EMILLYCHARLOTTE COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED FIRST PUBLISHED: SEPTEMBER 2024 2/9 isothermal means - ️️ Correct-at constant temperature STP - ️️ Correct-273.15 K and 1 atm the van der Waals equation - ️️ Correct-gas particles have non-zero volumes and interact with each other, molar volumes of gases of different types are different, the non- zero volumes of gas particles effectively decrease the amount of "empty" space between them, the molecular attractions between particles of gas decreases the pressure exerted by the gas viscosity is __ - ️️ Correct-the resistance to flow viscosity increases as - ️️ Correct-temperature decreases, molecular weight increases, intermolecular forces increase a volatile liquid is one that - ️️ Correct-readily evaporates the vapor pressure of any substance at its normal boiling point is - ️️ Correct-1 atm as intermolecular forces increase, vapor pressure ___ - ️️ Correct-decreases as intermolecular forces increase, normal boiling point ___ - ️️ Correct-increases as intermolecular forces increase, heat of vaporization ___ - ️️ Correct-increases as intermolecular forces increase, surface tension ___ - ️️ Correct-increases how are boiling points affected by intermolecular forces? - ️️ Correct-stronger intermolecular forces between molecules make it more difficult for those molecules to be pulled apart. Therefore, stronger intermolecular forces result in higher boiling points solid to liquid TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD OWNER: EMILLYCHARLOTTE COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED FIRST PUBLISHED: SEPTEMBER 2024 3/9 liquid to solid - ️️ Correct-melting freezing liquid to gas gas to liquid - ️️ Correct-evaporation condensation solid to gas gas to solid - ️️ Correct-sublimation depostition low vapor pressure - ️️ Correct-higher surface tension higher vapor pressure - ️️ Correct-lower boiling point large intermolecular forces in a substance are manifested by - ️️ Correct-low vapor pressure, high boiling points, high heats of fusion, high critical temperatures and pressures the stronger the forces between the particles, - ️️ Correct-the higher the melting point the higher the boiling point the lower the vapor pressure the higher the viscosity the greater the surface tension an unsaturated solution is one that - ️️ Correct-has a concentration lower than the solubility TITLE: EMILLYCHARLOTTE 2024/2025 ACADEMIC PERIOD OWNER: EMILLYCHARLOTTE COPYRIGHT STATEMENT: ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED FIRST PUBLISHED: SEPTEMBER 2024 4/9 a solution with a concentration higher than the solubility is - ️️ Correct-supersaturated molarity varies with - ️️ Correct-temperature a saturated solution - ️️ Correct-contains dissolved solute in equilibrium with undissolved solute which of the following substances is more likely to dissolve in CH3OH? - ️️ Correct-the one with hydrogen bonding which of the following substances is more likely to dissolve in CCl4 - ️️ Correct-the one with London dispersion bonding what are the five principle factors that influence the rate of chemical change - ️️ Correct-1. chemical nature 2. ability of the reactants to come in contact with each other 3. concentration of reactants 4. temperature 5. availability of rate-acceleration agents called catalysts for a given reaction, adding a catalyst increases the rate of reaction by - ️️ Correct- providing an alternate reaction pathway that has a lowe