What pressure is exerted by 1.99 mol of hydrogen gas in a 6.88 L container at 47°C?
answer in units of atm.

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

Which position represents spring in the southern hemisphere? a) b) c) d)

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.