BT#2 Lec

Which of the following units of concentration will change in value for a particular

solution if the temperature changes?

• mole fraction

• molality

• molarity

• none of these will change

Which of the following is the minimum information necessary for calculating the

molality of a solution? m=mol/kg

• The mass of the solute and the volume of the solvent

• The mass of the solute, the volume of the solvent, and the

  density of the solvent

• The mass of the solute and the mass of solvent in g

• The mass of the solute , the molar mass of solute ,and the mass of solvent in kg

A gas law is a generalization that describes in mathematical terms the relationships among the amount, pressure, temperature, and _____ of a gas.

• density

• mass

• volume

• weight

According to Boyle's Law, if the pressure on the gas increases, the volume _______ proportionally.

• decreases

• increases

• double

• will stay the same

Which of the following fundamental states of matter is known to be "very compressible".

• Solid

• Liquid

• Gas

• Plasma

It is the maximum amount of solute that can be dissolved in a specific amount of solvent under specific conditions of temperature and pressure.

• density

• miscibility

• solubility

• molarity

The average kinetic energy of gas particles is proportional to the temperature in what specific temperature scale?

• Celsius

• Fahrenheit

• Kelvin

• Rankine

An unstable solution that contains an amount of solute greater than the solute solubility under the prevailing conditions of temperature and pressure is called _____.

• saturated solution

• unsaturated solution

• desaturated solution

• supersaturated solution

Which of the following is an application of Boyle's Law?

• Bonfire

• Hot air balloon

• Syringe

• Sphygmomanometer

This gas law states that at constant pressure and temperature, the volume of a gas is directly proportional to the number of moles of the gas present.

• Avogadro's Law

• Boyle's Law

• Charles' Law

• Ideal Gas Law