Question

In the chemical formula 3H2O, the numeral 3 is called the
a. subscript.
b. superscript.
c. coefficient.
d. oxidation number.
and

Adding heat to a chemical reaction increases the rate of reaction by
a. increasing molecular motion.
b. decreasing molecular motion.
c. lowering activation energy.
d. increasing concentration.

Answer 1

a

Answer 2

Both are A.

Answer 3

yup

Answer 4

Thank's guys!

Answer 5

np