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Some chemical reactions need energy in the form of heat to take place, while others give off energy. Read each of the phrases that describe endothermic or exothermic reactions and select the type of reaction the description represents.
it is either endothermic or exothermic reaction for all
1.some energy is released as light
[ Select ]
2.energy released is greater than the energy needed to break bonds
[ Select ]
3.need continuous source of energy
[ Select ]
4.leaves the surroundings feeling cold
[ Select ]
5.some energy is released as heat
[ Select ]
6.more energy needed to break bonds of the the reactants than is released
[ Select ]
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Some chemical reactions need energy in the form of heat to take place, while others give off energy....
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