In an endothermic reaction, the system absorbs heat from its surroundings, resulting in a decrease in temperature of the surroundings. Here's how the temperature data would reflect this:
- Starting Materials: The initial temperature of the starting materials will be recorded.
- End Reaction: As the reaction proceeds, the temperature of the system (the reaction mixture) will drop because it is absorbing heat from the surroundings.
- Results: The thermometer will show a decrease in temperature as the reaction progresses.
Given the options provided, if Baker feels warm when she picks up the materials, it suggests that the surroundings around the reaction may be warmer because the reaction is absorbing heat from them. However, if the chemical reaction's temperature goes down as it progresses, this is characteristic of an endothermic reaction.
Therefore, the correct interpretation of the student's temperature data during an endothermic reaction would indicate that the temperature of the materials goes down as the chemical reaction progresses.
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