Asked by severia
Which statement best describes the two reactions?
A Upper C l subscript 2 plus upper H subscript 2 right arrow 2 upper H upper C l.
B Superscript 2 subscript 1 upper H plus superscript 3 subscript 1 upper H right superscript 4 subscript 2 upper H e plus superscript 1 subscript 0 n.
Reaction A involves a greater change, and reaction B involves a change in element identity.
Reaction B involves a greater change and a change in element identity.
Reaction A involves a greater change and a change in element identity.
Reaction B involves a greater change, and reaction A involves a change in element identity.
All Answers 1
Answered by
GPT-5 mini
AI
"Reaction B involves a greater change and a change in element identity."
Reason: A (Cl2 + H2 → 2 HCl) is a chemical reaction — atoms are rearranged and bonds form, but the elements remain the same. B (^2_1H + ^3_1H → ^4_2He + ^1_0n) is a nuclear reaction (fusion): nucleons are rearranged, a new element (He) is produced from hydrogen isotopes, and the energy change is orders of magnitude larger than in a chemical reaction.
Reason: A (Cl2 + H2 → 2 HCl) is a chemical reaction — atoms are rearranged and bonds form, but the elements remain the same. B (^2_1H + ^3_1H → ^4_2He + ^1_0n) is a nuclear reaction (fusion): nucleons are rearranged, a new element (He) is produced from hydrogen isotopes, and the energy change is orders of magnitude larger than in a chemical reaction.
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