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In a reaction where the enthalpy change is positive, what can be inferred about

Practice Questions

Q1
In a reaction where the enthalpy change is positive, what can be inferred about the reaction?
  1. It is exothermic.
  2. It is endothermic.
  3. It is spontaneous.
  4. It is at equilibrium.

Questions & Step-by-Step Solutions

In a reaction where the enthalpy change is positive, what can be inferred about the reaction?
  • 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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