Question

How does pressure affect gases?

Answer 1

What happens when you change the size of a classroom?

Answer 2

Look at the gas law:
1. Boyle's Law- PV=k (inverse relationship)
when pressure increases, volume decreases
when pressure decreases, volume increases

2. Gay-Lussac's/ Amonton's Law (directly proportional relationship)
when pressure increase, temperature increase

Answer 3

when pressure decrease, temperature decrease