6. Heat of combustion is the heat released by the complete combustion of one mole of a substance.- T?

7. Catalysts are not consumed during a reaction.- F

8. In nature, processes tend to occur that lead to a higher energy state.- F

9. Concentration does not have an effect on a reaction.- F

17. Nuclear binding energy is released when a nucleus is formed.- T

18. Nuclei with an even number of protons and neutrons tend to be unstable or radioactive.- F

Thanks
-MC