Gases, Liquids & Intermolecular Forces, Solutions, Chemical Kinetics, Chemical Equilibrium, Acids and Bases

The volume of a gas is proportional to the temperature of a gas is known as

Charles’s Law

Define hypoxia

oxygen starvation

Define Vapor Pressure

partial pressure of water in a gaseous mixture

The total pressure of a gas mixture is the sum of the partial pressure of its components is known as

Dalton’s Law

Identify the state of matter that is the most compressible.

gas

Give the change in condition to go from a liquid to a gas.

increase heat or reduce pressure

The forces between polar molecules are known as

dipole-dipole forces

A molecule contains hydrogen bonding if it contains hydrogen covalently bonded to 

fluorine, oxygen, or nitrogen.

Which of the following statements is TRUE?

The potential energy of molecules decreases as they get closer to one another.

Place the following compounds in order of decreasing strength of intermolecular forces.

I.  CH3CH2CH2CH2CH2CH3 II.  (CH3)3CCH3 III.  (CH3)3CCH2CH3

I  >  III  >  II

Identify the compound with the highest dipole moment.

CH3CN

Identify the compound with the lowest boiling point.

CH3CH2CH3

In a liquid, the energy required to increase the surface of the area by a unit amount is called

surface tension

Capillary action occurs because

adhesive forces are greater than cohesive forces

Define vaporization

a liquid becomes a gas

Which of the following statements is FALSE?

Molecules with hydrogen bonding are more volatile than compounds with dipole-dipole forces.

Define deposition

A gas becomes a solid

Why is water an extraordinary substance?

All of the above

The freezing point of water is ________.

32°F

Identify the characteristics of a simple cubic cell.

edge length = 2r, 52% packing efficiency

Give the coordination number for a face-centered cubic cell.

12

Choose the statement below that is TRUE.

A solution will form between two substances if the solute-solvent interactions are of comparable strength to the solute-solute and solvent-solvent interactions

Give the major force between ethanol and water

hydrogen bonding

A solution containing less than the equilibrium amount is called_____________.

an unsaturated solution

A solution is formed at room temperature by vigorously dissolving enough of the solid solute so that solid remain at the bottom of the solution. Which statement below is TRUE

the solution is considered supersaturated

Which of the following statements is generally TRUE

the solubility of a solid is highly dependent on temperature

Which of the following statements is true

the solubility of a gas is dependent on pressure and temperature

In general, the solubility of a gas in water ________ with increasing temperature

decreases

Give the term for the amount of solute in moles per kilogram of solvent

molality

Parts per billion requires a multiplication factor of

10^9

Identify the classification of milk

colloid

Give the reason that antifreeze is added to a car radiator

the freezing point is lowered and the boiling point is elevated

need chemical kinetics

Give the direction of the reaction, if K = 1

neither direction is favored

Give the direction of the reaction, if K»1

the forward reaction is favored

Give the direction of the reaction, if K «1

the reverse reaction is favored

T/F : Reaction quotient is the concentration of the products raised to the stoichiometric coefficients by the concentration of the reactants raised to thei stoichiometric coefficients, measured at any point in the reaction

True

In a reaction mixture containing only products, what is the value of Q

infinity sign

In a reaction mixture containing reactants and products, each at a concentration of 1M, what is the value of Q?

1