Answer:
Answer: Chemical change; Chemical property of heat of combustion
Explanation:
A physical change is defined as a change in which there is alteration in shape, size etc. No new substance gets formed in these reactions.
Explanation:
Answer:
magnesium sulfate + water + carbon dioxide
Explanation:
3.50g H2:
3.50g H2 x 1 mol H2 / 2(1.01gH2)= 1.7675mol H2
- the grams cancel out
- the answer rounded up would be: 2 mol H2
