Answer to Question #62226 in Physics for Hafsa

Question #62226

18) What is the result of a force distributed over an area?
A. volume
B. pressure
C. temperature
D. mass

19) Which of the following phase changes is an endothermic change?
A. condensation
B. vaporization
C. deposition
D. freezing

20) Boyle’s law states that the volume of a gas is inversely proportional to its pressure if the
A. temperature and number of particles are constant.
B. temperature reaches absolute zero.
C. number of particles decreases.
D. temperature and number of particles are doubled.

Expert's answer

18) B
19) B
20) A