2. What happens to the heat in an exothermic reaction?

An exothermic reaction occurs when the temperature of a system increases due to the evolution of heat. This heat is released into the surroundings, resulting in an overall negative quantity for the heat of reaction

Explanation:

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A) (0,0) is the origin

B) (1, -1)... Go right on the X-Axis to 1. Then go down on the Y-Axis to -1. That will be your first point.

(-1, 1.25) Go left on the X-Axis to -1. Then go up on the Y-Axis to 1.25. That will be your second point.

Finally, (-2, 3/4) Go left on the X-Axis to -2. Then go up to 3/4 on the Y-Axis. That will be your final point.