Not to sure about this can someone help me as soon as possible

Chemistry

1 answer:

faltersainse [42]3 years ago

4 0

???
The picture doesn't give enough information for me to answer your question. You could take the picture again, including the question in it.

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Answer: Option (D) is the correct answer.

Explanation:

Enthalpy is defined as the amount of energy needed or removed from a substance. It is represented by $\Delta H$ .

Basically, it is the change in enthalpy and it represents the difference between the energy used in breaking bonds and the energy released in formation of bonds in a chemical reaction.

It is also known as heat of reaction. When value of $\Delta H$ is positive then it means heat is absorbed in the chemical reaction.

When value of $\Delta H$ is negative then it means that heat is released in the chemical reaction.

Whereas entropy means the measure of randomness. It is represented by $\Delta S$ . We cannot calculate entropy but we can measure the change in entropy.