Consider the reaction pathway graph below.

Which inference is supported by evidence in the graph?
A. The energy required to make the activated complex is greater than A + C.
B. This is an exothermic reaction where the total release of energy equals A + C.
C. The products need more energy to form than the reactants as shown by F.
D. This is an endothermic reaction because most of the energy is released at A.

Question

27-03-2018
Chemistry

contestada

Consider the reaction pathway graph below.

Which inference is supported by evidence in the graph?
A. The energy required to make the activated complex is greater than A + C.
B. This is an exothermic reaction where the total release of energy equals A + C.
C. The products need more energy to form than the reactants as shown by F.
D. This is an endothermic reaction because most of the energy is released at A.

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arletargueta98 arletargueta98 · Answer 1 · 2018-04-03T16:41:09+02:00

arletargueta98 arletargueta98

03-04-2018

i think it's B because it goes up i'm not sure yet but i'll find the answer, but for right now i think it's B

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RomeliaThurston RomeliaThurston · Answer 2 · 2019-04-02T07:32:52+02:00

Answer: The correct answer is Option B: This is an exothermic reaction where the total release of energy equals A.

Explanation:

There are 2 types of chemical reactions, based on the amount of heat released or absorbed.

1. Endothermic reactions: In these reactions, the energy of the products is more than the energy of the reactants. The total enthalpy change of the reaction is positive because it is getting absorbed.

2. Exothermic reactions: In these reactions, the energy of the products is less than the energy of the reactants. The total enthalpy change of the reaction is negative because it is getting released.

The total release of energy of this graph corresponds to C.

Hence, the correct answer is Option B: This is an exothermic reaction where the total release of energy equals A.