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In a reaction where the enthalpy change is positive, what can be inferred about
In a reaction where the enthalpy change is positive, what can be inferred about the reaction?
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Practice Questions
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Q1
In a reaction where the enthalpy change is positive, what can be inferred about the reaction?
It is exothermic.
It is endothermic.
It is spontaneous.
It is at equilibrium.
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A positive enthalpy change indicates that the reaction is endothermic, meaning it absorbs heat from the surroundings.
Questions & Step-by-step Solutions
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Q
Q: In a reaction where the enthalpy change is positive, what can be inferred about the reaction?
Solution:
A positive enthalpy change indicates that the reaction is endothermic, meaning it absorbs heat from the surroundings.
Steps: 4
Show Steps
Step 1: Understand what enthalpy change means. Enthalpy change is the heat content change during a reaction.
Step 2: Identify the sign of the enthalpy change. A positive enthalpy change means that the value is greater than zero.
Step 3: Recognize what a positive enthalpy change indicates. It suggests that the reaction requires heat to occur.
Step 4: Conclude that the reaction is endothermic. This means the reaction absorbs heat from its surroundings.
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