1
Which of the following statements is true?
A.
Chemical reactions can neither absorb thermal energy nor release thermal energy.
OB
Chemical reactions can either absorb thermal energy or release thermal energy.
C.
Chemical reactions can only release thermal energy
D.
Chemical reactions can only absorb thermal energy.

0.0365

Explanation:

Three significant figures after the decimal include all numbers except the zeros before other numbers.

For example 0.000003431232 to three significant figures would be 0.00000343. However if the numbers are before the decimal, the zeros are included, for example 19828300 to three significant numbers would be 19800000.