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A

Anonymous

Feb 04, 2025

What is the heat capacity of the unknown substance?

A 2.49 g sample of a substance, suspected to be pure gold, is heated to 72.7 °C and then submerged in 15.2 g of water, which initially has a temperature of 24.0 °C. The final temperature of the mixture is measured at 26.0 °C. What is the heat capacity of the unknown substance?

1 Answers

A
Anonymous

Feb 20, 2025

Some discussion and solved examples:

http://www.chemteam.info/Thermochem/Determine-Spec...

For your problem:

(2.49) (72.7 - 26.0) (x) = (15.2) (26.0 - 24.0) (4.184)

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