Which statements are true according to the law of energy conservation? Select al

Question

Which statements are true according to the law of energy conservation? Select all that apply. Check all that apply. when hot and cold objects are mixed in a perfectly insulated calorimeter, qh0 Acold 4hot In any chemical or physical process, energy cannot be created or destroyed In any chemical reaction, the energy of the products must equal the energy of the reactants. The total energy of the universe is constant. For physical changes such as freezing, . 0 because no chemical reaction takes place

Explanation / Answer

The true statements are:

1.When hot and cold objects are mixed in a perfectly insulated calorimeter then heat absorbed by cold body = heat lost by hot body.

2.In any chemical or physical process energy cannot be created or destroyed.

3.The total energy of the universe is constant.

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