Answer:
Using dimensional analysis:
3.01x1022 molecules CO2 x 1 mol CO2/6.02x1023 molecules x 44. g CO2/mole = 2.20 g CO2
Explanation:
I believe the answer is Exothermic
We know that density = mass /volume
so
mass=volume*density
volume=mass/density
so c is wrong
Answer:
one-half
Explanation:
cuz for a first order reaction is a half life independent of concentration and constant over time