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# Multiple choice questions relating to heat, gas and chemical equilibirums

The Greek word for "moving" is:
(a) kinetic
(b) atom
(c) potential
(d) force

If two systems are in thermal equilibrium with a third system, then they are in thermal equilibrium with each other. This postulate is called:
(a) first law of thermodynamics
(b) second law of thermodynamics
(c) third law of thermodynamics
(d) zeroth law of thermodynamics

The volume of a gas in inversely proportional to the pressure applied to it when the temperature is kept constant. This relation is known as:
(a) Charles' law
(b) Boyle's law
(c) Gay-Lussac's law
(d) Henry's law

At constant volume, the pressure of a gas is directly proportional to the absolute temperature. This is:
(a) Charles' law
(b) Boyle's law
(c) Gay-Lussac's law
(d) Henry's law

Equal volumes of gas at the same temperature contain equal number of molecules.
This is sometimes called:
(a) Charles' hypothesis
(c) Boyle's hypothesis
(d) Archimede's hypothesis

Process whereby at low pressures, a solid changes directly into the vapor stage without passing through the liquid stage is called:
(a) evaporation
(b) melting
( c) freezing
(d) sublimation

The ratio of the partial pressure to the saturated pressure of water at a given temperature is the definition of:
(a) relative humidity
(b) partial pressure
(c) humidity
(d) boiling point

The process of a substance that moves from a region where its concentration is high to one where its concentration is low is called:
(a) infusion
(b) diffusion
( c) intrusion
(d) dilution

The pressure each gas would exert if it alone occupied the whole volume is called:
(a) total pressure
(b) partial pressure
(c) saturated pressure
(d) unsaturated

The concept that matter is made up of atoms which are in continual random motion is called the:
(a) kinetic theory
(b) potential theory
(c) chemical theory
(d) physical theory

Energy that is transferred from one body to another because of a difference in temperature is called:
(a) temperature
(b) heat
(c) kinetic
(d) potential

The amount of heat necessary to raise the temperature of 1 gram of water by 1 Celsius degree is called:
(a) specific heat
(b) Calorie
(c) calorie
(d) gram

The quantitative measurement of heat exchange is called:
(a) specific heat
(b) calorimetry
(c) density
(d) temperature

The heat required to change a substance from the liquid to the vapor phase is called the:
(a) heat of vaporization
(b) heat of fusion
(c) heat of evaporation
(d) heat of phase

Heat is transferred from one place to another when higher kinetic energy molecules collide with lower kinetic molecules. This process is called:
(b) convection
(c) evaporation
(d) conduction

The process whereby heat is transferred by the mass movement of molecules from one place to another is called:
(b) convection
(c) evaporation
(d) condensation

A transfer of heat transfer that requires no medium at all is called:
(b) convection
(c) conduction
(d) evaporation

The energy or heat required to change the temperature of unit mass of substance by 1 degree is defined as the:
(a) specific heat
(b) vapor heat
(c) temperature
(d) evaporation

Values for the heats of fusion and vaporization are called:
(a) temperature
(b) specific heats
(c) latent heats
(d) change of phase

Black and very dark objects are:
(a) good emitters of heat
(b) good absorbers of heat
(c) neutral
(d) poor emitters of heat

#### Solution Preview

The Greek word for "moving" is:
(a) kinetic

If two systems are in thermal equilibrium with a third system, then they are in thermal equilibrium with each other. This postulate is called:
(d) zeroth law of thermodynamics

The volume of a gas in inversely proportional to the pressure applied to it when the temperature is kept constant. This relation is known as:
(b) Boyle's law

At constant volume, the pressure of a gas is directly proportional to the absolute temperature. This is:
(c) Gay-Lussac's law

Equal volumes of gas at the same temperature contain equal number of molecules.
This is ...

#### Solution Summary

Multiple choice questions relating to heat, gas and chemical equilibirums

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