Answer:
Sure i'll help u! :D
Explanation:
for #1 you do A. I'm not so sure on it tho
For #2 it should be C.
If that didn't help, You can look it up on a website. ok?
Answer:
For collision theory
Explanation:
Nature of reactants
Concentration/pressure (for gases) of reactants
Surface area of reactants
Temperature of reaction mixture
Presence of light
Presence of a catalyst
Answer:
Explanation:
2N₂O(g) → 2N₂(g) + O₂(g)
molecular weight of N₂O = 44
∆Hº = –166.7 kJ/mol
44 g of N₂O decomposes to give 166.7 kJ of heat
2.25 g of N₂O decomposes to give 166.7 x 2.25 / 44 kJ of heat
= 8.51 kJ of heat .
Answer:
it lost 900J of energy I will assume and that would mean the change in energy is -900J
Explanation:
