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Chemistry, 30.06.2019 02:30 brooke3493
Which statement is true? a) breaking a chemical bond releases energy. b) when energy is absorbed, the reaction is said to be endothermic and â†h is negative (–). c) bond dissociation energies are always positive numbers. d) the stronger the bond, the lower its bond dissociation energy. 2. based on the reaction, n2 + o2 → 2 no â†h = 43.2 kcal which statement is true? a) 43.2 kcal are consumed when 14.00 g of n2 reacts. b) 43.2 kcal are produced when 1.00 g of o2 reacts. c) 43.2 kcal are produced when 1.00 mole of o2 reacts. d) 43.2 kcal are consumed when 2.00 moles of no is produced.
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