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What to Include When Calculating Heat Emitted (q)

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When calculating the amount of heat emitted (q):

In which of these situations should you add the weight of what is added to the water, to the weight of the water itself?

- 17g stick of boiled metal added to water in a calorimeter.

or

- 2g of NaOH added to water to measure the heat of dissolving.

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Solution Summary

This solution explains how to determine which factors need to be included in an equation to figure out heat emitted during a reaction.

Solution Preview

In neither case are you adding the weight of the substance to the weight of the water. When you are calculating q, you are figuring how ...

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