The Chemistry of Solutions
The Gas Phase
Energy, Heat, and Temperature
Thermodynamics
Kinetics & Chemical Equilibrium
200

What kind of solute usually increases in solubility with increasoning temperature?

What is solid

200

Temperature at which the vapor pressure of a liquid is equal to normal atmospheric pressure

What is boiling point

200

If the temperature of an object starts to increase, the object is

What is gaining energy

200

Energy can be thought of as product in what type of reaction?

What is exothermic

200

A test done under standard conditions is referred to as the

What is control 

400

True or False

For a gas solute dissolving in a liquid solvent, the solvent molecules must be attracted to the solute molecules enough to pull the solute molecules closer to one another.

What is true.

400

Following an established trend in the data even though no data are available for that region

What is extrapolation

400

The amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius is

What is a calorie

400

A quantity that depends solely on the final destination and not on the way you get to the destination is

what is a state function

400

True or False

Rain is naturally acidic

What is True

600
If a solute's solubility in a liquid solvent decreases when the temperature increases, the solute is most likely

What is a gas

600

Force per unit of area

What is pressure

600

What two quantities are needed in order for work to be calculated?

What is distance and force

600

Energy needed to start a chemical reaction

What is activation energy

600

What does the pH scale measure?

What is the acidity or basicity of a solution

800

The maximum amount of solute that can dissolve in a given amount of solvent is

What is saturated

800

A hot air balloon is filled with 1.89x10liters of air at 21 degrees Celcius. If atmospheric pressure does not change, how hot must the air become in order to increase the volume to 4.5x102 liters?

What is 430 degrees Celcius

800

A 1.50kg iron object (c-0.4521J/goC) at 110.0oC releases 5,505 Joules of heat. What is it's new temperature?

What is Tfinal = 101.9oC

800

Use bond energies to determine the △H for the combustion of methane (CH4)

What is △H = 802kJ

800

A chemist runs a reaction at 25oC and determines that the reaction proceeds too quickly. He decides that the reaction needs to be slowed down by a factor of 4. At what temperature should he run the reaction?

What is 5oC

1000

What is the molality of a solution made from 5.61 moles of KCl and 2.11 kg of water?

What is 2.66m

1000

What is the mole fraction of each component of a gas mixture that contains sulfur trioxide at a pressure of 1.45 atm and sulfur dioxide at a pressure of 0.32 atm?

What is 0.18, 0.819

1000

If a 50.0 object needs 1,145 Joules to increase its temperature by 10.0oC, what is its specific heat capacity?

What is 2.29J/goC

1000

If a reaction has a △H of -120.0 kJ/mole and is spontaneous for all temperatures less than 200.0 K, what is its △S?

What is -0.6000kJ/mole x K

1000

What is the acid ionization reaction for HNO3?

What is HNO3 (aq) → H+ (aq) + NO3- (aq)

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