In an endothermic reaction, what is the sign of ΔH?

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Question: In an endothermic reaction, what is the sign of ΔH?

Options:

Correct Answer: Positive

Solution:

In an endothermic reaction, heat is absorbed, resulting in a positive change in enthalpy (ΔH > 0).

In an endothermic reaction, what is the sign of ΔH?

In an endothermic reaction, what is the sign of ΔH?

Step 1: Understand what an endothermic reaction is. It is a type of reaction that absorbs heat from its surroundings.
Step 2: Know that when a reaction absorbs heat, it requires energy to proceed.
Step 3: Recognize that the change in enthalpy (ΔH) measures the heat content of a system.
Step 4: Since heat is absorbed in an endothermic reaction, the change in enthalpy (ΔH) becomes positive.
Step 5: Conclude that in an endothermic reaction, ΔH is greater than 0 (ΔH > 0).

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