Answer:
a) is correct.......,.....
Answer:
The answer to your question is: letter B
Explanation:
Data
3.58 x 10⁴ cal to joules
1 calories --------------- 4.184 joules
3.58 x 10⁴ cal----------- x
x = ( 3.58 x 10⁴ x 4.184) / 1
x = 149787.2 joules
x = 1.5 x 10⁵ J
The answer would be both, because the physical change is liquid to gases, and the chemical change is the molecules being split into hydrogen and oxygen molecules.
It is important because 1 plus one is 2 and 2 plus 2 is 4