3. Under what circumstances will a triple bond form?
1 answer:
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Answer:
Reaction A, B, E and F are exothermic reactions.
Explanation:
Exothermic reactions are defined as the reactions in which energy of reactants is more than the energy of the products. In these reactions, energy is released by the system.
The total enthalpy of the reaction comes out to be negative.
Endothermic reactions are defined as the reactions in which energy of products is more than the energy of the reactants. In these reactions, energy is absorbed by the system.
The total enthalpy of the reaction comes out to be positive.
So, from the given option reaction which are exothermic are with negative value that enthalpy of reaction and those are:
1) ,ΔH = -1203 kJ/mol
2),ΔH =-176 kJ/mol
3) ,ΔH = -393.5 kJ/mol
4) ,ΔH =-891 kJ/mol