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If the forward reaction is exothermic then the back reaction would be endothermic.

This happens because it upholds the law of conservation of energy, which says that energy cannot be created or destroyed.
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Q: Why let say if the forward reaction is exothermic does this mean that the backward reaction gives out or take in heat and why?
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A reaction that gives out energy?

... is an exothermic reaction (opposite of 'endothermic')


What is a reaction that gives out a lot of heat?

exothermic reaction


exothermic?

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Is oxidation a exothermic or endothermic reaction?

it is exothermic b/c it gives off heat


When something has an exothermic change does it increase in heat?

An "exothermic" reaction gives off heat.


What type of reaction gives off heat?

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During photosynthesis what chemical reaction gives off heat?

Exothermic Reaction.


If the reaction gets hot is it an endothermic or an exothermic reaction?

The reverse reaction is not always endothermic or exothermic, the reverse reaction is the opposite of whatever the initial reaction is, so if the reaction is endothermic, the reverse reaction is exothermic and vise versa.


Is the chemical reaction for the combustion of magnesium endothermic or exothermic?

Exothermic (gives off heat - and light!).


What are some of the examples of exothermic?

Burning wood in a fire is exothermic. It gives off heat to the surroundings. In fact any reaction that gives off heat to the surroundings is exothermic.


How is a exothermic reaction identified?

it gives heat off as a product


What is a reaction called that gives off heat?

exothermic reactions-gives off heat