Which law states that the total enthalpy change for a reaction is the same, regardless of the number of steps in the reaction?
Correct Answer: Hess's Law
- Step 1: Understand what enthalpy change means. It is the heat content change during a chemical reaction.
- Step 2: Learn about reactions that can happen in multiple steps. Some reactions can occur in several smaller reactions instead of one big reaction.
- Step 3: Know that Hess's Law is a principle in chemistry.
- Step 4: Hess's Law states that the total enthalpy change for a reaction is the same, no matter how many steps the reaction takes.
- Step 5: This means you can add up the enthalpy changes of each step to find the total change for the overall reaction.
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