h2(g) + cl2(g) ==> 2hcl(g) + energy
Chemistry, 27.09.2019 17:00 tannerweberp5r8sg
Given the balanced equation representing a reaction:
h2(g) + cl2(g) ==> 2hcl(g) + energy
which statement describes the energy changes in this reaction?
(1) energy is absorbed as bonds are formed, only.
(2) energy is released as bonds are broken, only.
(3) energy is absorbed as bonds are broken, and energy is released as bonds are formed.
(4) energy is absorbed as bonds are formed, and energy is released as bonds are broken.
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Given the balanced equation representing a reaction:
h2(g) + cl2(g) ==> 2hcl(g) + energy
h2(g) + cl2(g) ==> 2hcl(g) + energy
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