Question

13. Which explains why more energy is released in nuclear reactions than in chemical reactions? (2 points)
Chemical reactions are always endothermic.
No molecular bonds are broken in nuclear reactions.
Protons and neutrons are exchanged in chemical reactions.
In nuclear reactions, mass is converted to energy.

Answer 1

last one \[e=mc ^{2}\]

Answer 2

1 is incorrect. 2 doesn't apply. 3 can be true, but isn't the right choice. The last one is the answer.

Answer 3

Thanks! That's really helpful. I understand it much better now.

Answer 4

c.