****Chemistry Medal & Fan for Help!!!****
The reaction of charcoal (carbon) and oxygen is sped up by grinding the charcoal into a fine powder. This is an example of:
Select one:
a. Increasing concentration to increase reaction rate
b. Increasing temperature to increase reaction rate
c. increasing surface area to increase reaction rate
d. All of the above
I think it's either C or D

Question

****Chemistry Medal & Fan for Help!!!****
The reaction of charcoal (carbon) and oxygen is sped up by grinding the charcoal into a fine powder. This is an example of:
Select one:
a. Increasing concentration to increase reaction rate
b. Increasing temperature to increase reaction rate
c. increasing surface area to increase reaction rate
d. All of the above
I think it's either C or D

jfraser · Answer

unless you think it might also be A or B, it can't be D

anonymous · Answer

In that case would the answer be C?

anonymous · Answer

I think the answer is C.

anonymous · Answer

Thanks @Petermabin