In the process of evaporation 1) heavier atoms are most prone ...

[leilurhhh]

In the process of evaporation
 
  1) heavier atoms are most prone to leave the liquid,
  2) there is a net gain in the number of atoms in the liquid,
  3) energy is absorbed by the liquid,
  4) all of these,
  5) none of these,
 
  and the average rate of molecular motion for the atoms remaining in the liquid
  6) increases.
  7) decreases.
  8) remains unchanged.

Question 2

When a solid changes to a liquid and then to a gas, energy is
 
  1) released,
  2) absorbed,
 
  and when gas changes to liquid and then to solid, energy is
  3) released.
  4) absorbed.

[TINA]

Answer to Question 1

Answer: 5, 7

Answer to Question 2

Answer: 2, 3

[leilurhhh]

TYSM

[frankwu0507]

Excellent