A substance's temperature increases as a direct result of?

A. energy being removed from the particles of the substance

B. kinetic enerfy being added to the particles of the substance

C. a change in the number of atoms and molecules in a substance.

D. a decrease in the volume of the substance

B. kinetic energy being added to the particles of the substance.

Heat flow occurs between two bodies in thermal contact when they differ in which of the following properties?

A. mass

B. specific heat

C. densitity

D. temperature

D. temperature

Which of the following is a substance in which the temperature and pressure remain constant while the substance experinces an inward transfer of energy?

A. gas

B. liquid

C. solid

D. substance undergoing a change of state

D. substance undergoing a change of state

If an ideal gas does positive workon its surrondings,

A. the temperature of the gas increases.

B. the volume of the gas increases.

C. the pressure of the gas increases.

D. the internal energy of the gas decreases.

B. the volume of the gas increases.

Which of the following is a thermodynamic process during which work is done on or by the system but no energy is transfered to or from the system as heat?

A. adiabatic process

B. isothermal process

C. isvolumetric process

D. isobaric process

A. adiabatic process

When a system's disorder is increased,

A. less energy is avalable to do work

B. more energy is available to do work.

C. no energy is available to do work

D. no work is done.

A. less energy is available to do work

Which of the following is a thermodynamic process in which a systen returns to the same conditions under which it started?

A. an isovolumetric process

B. an isothermal process

C. a cyclic process

D. an adiabatic process

C. a cyclic process

An ideal gas system undergoes an isovolumetric process in which 20 J of energy is added as heat to the gas. What is the change in the systems internal energy?

A. -20 J

B. 0 J

C. 5 J

D. 20 J

D. 20 J