A chemical reaction takes place to allow hand warmers to give off heat. This is an example of a(n) __________.
2 answers:
Answer:
B.
Explanation:
Gives off heat,.
Answer:
Exothermic
Explanation:
Exothermic reactions release heat, endothermic absorb heat, and precipitate is a solid formed from a solution
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I'm pretty sure they come closer, and on the small chance i'm wrong, they separate.<span />
Answer:
Cellular respiration
Explanation:
Answer:
photic zone
Explanation:
i hope it will help
C3H8 + O2 --> CO2(g) + H2O(g) + energy(heat)
butane + oxygen --> carbon dioxide + water + heat
Answer:
- 53 protons
- 131g
- Iodine
- Halogens
Explanation:
atomic no. = no. of protons
= 53 proton
mass = no. of protons + no. of
neutrons
= 53 + 78
= 131
