In general terms, exothermic reactions release energy, so the energy goes from the system to the surroundings.
Answer:
3.87 x 10^24
Explanation:
Simply multiply the moles by avogadros number
6.42 moles of H2O x 6.022 x 10^23 molecules/1 mole of H2O = 3.87 x 10^24 molecules of H2O
<span>c. Passing electric charge through the reactants Is the answer to you're question.
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Why do molecules combined into chains?
The answer is B
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