1. Francium
2. Nitrogen
3.rubidium
4. Krypton
C. pain reliever
ex. tylenol, aleve, etc.
That is a chemical change.. Hope I helped!
Answer:
C
Explanation:
Think about it. If you accelerate, you go faster. This means you change speed.
Answer:
Explanation:
Total moles = 300 + 500 = 800 moles
mole fraction of carbon dioxide = 300 / 800 = 3 / 8
water = 500 / 800 = 5 / 8
Total pressure = 21 atm
partial pressure of water = total pressure x mole fraction of water
= 21 x 5 / 8
= 13.125 atm
