
Explanation:
the bottom number would be 54. This is because you add one to 53 to make it 54 and you add 0 to 138.
Answer:
if the heat of reaction is positive, the reaction is said to be endothermic; if negative, exothermic.
Explanation:
hope this helps
i am so sorry if this is the wrong answer
Answer:
A. Thin
Explanation:
i took the test a while back yw <3
The answer is Hydrogen
This is what happens when acids react with metals