G1ranbukieGreenrobb G1ranbukieGreenrobb

24-12-2016
Chemistry

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What is true about energy?

Energy cannot be created during an ordinary chemical reaction.

Energy is used up during an explosion.

There is more energy after a chemical reaction than before the reaction.

When water melts, energy is created in the form of heat.

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scme1702 scme1702

25-12-2016

Energy cannot be created during an ordinary chemical reaction.

This is in accordance with the law of conservation of energy; energy cannot be created not destroyed.

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