The change of seasons is an example of
A.
change that almost never happens.
B.
change that happens suddenly.
C.
change that has a pattern.
D.
change that cannot be expected.

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride

Which sample at stp has the same number of atoms as 18 liters of ne at stp