Answer: The donating of hydrogen ions is what makes an acid an acid. A base, however, is a substance that accepts hydrogen ions.
Explanation:
The projectile is the bullet it's self. the chemicals create the explosion to project the bullet
B. The energy barrier between reactants and products
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Answer:
Lose energy
Explanation:
The molecules are moving from a liquid (molecules slide past one another) to a solid (molecules barely move) so are losing energy
