Answer:

Explanation:
Hello there!
In this case, since the STP conditions are defined by 1 atm (101.3 kPa) and 273 K, it is possible for us to use the combined gas law for this problem as we are given variable pressure, temperature and volume:

In such a way, solving for V2 as the final volume, we obtain:

Regards!
Answer:
B
Explanation:
When it freezes, it will be a solid. The molecules will barely move, not as much as in the other answer choices.
Conduction is your answer