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Chemistry 5070 · Cambridge (CAIE) O Level
Exothermic Reactions
2 past-paper questions on Exothermic Reactions · examined 2024–2024.
20242 questions
5070/21 · M/J · Q2(d)(i) [2]Sign up to mark my answer →
Explain, using ideas about bond breaking and bond making, why the complete combustion of ethyne is exothermic.
5070/22 · M/J · Q2(c)(i) [2]Sign up to mark my answer →
Explain, using ideas about bond breaking and bond making, why the complete combustion of methane is exothermic.
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