A chemist carefully measures the amount of heat needed to raise the temperature of a 438.0 mg sample of a pure substance from 19.3 °C to 38.6 °C. The experiment shows that 15.6 J of heat are needed. What can the chemist report for the specific heat capacity of the substance? Round your answer to 3 significant digits.

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Calculating specific heat capacity
A chemist carefully measures the amount of heat needed to raise the temperature of a 438.0 mg sample of a pure substance from 19.3 °C to 38.6 °C. The
experiment shows that 15.6 J of heat are needed. What can the chemist report for the specific heat capacity of the substance? Round your answer to 3
significant digits.
10
J'g
"K
Ar
Transcribed Image Text:ton Commun x Blackboard Collaborate Ultra -2 X General Psychology-Fall 2021 A ALEKS - Griffin Barden - Learn www-awa.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IJcZzdcvSCzsqTCIDqNGV3bKqhMfPmUcQ4ENkmiXn9QCwgeDPDkQ06yszYWESPcekwLO-Qg619rekU7404HgFAGbEZaDr080?1oBw7QYlbavbSPXtx-YCjsh 7mMmrq#item O THERMOCHEMISTRY Griffin V Calculating specific heat capacity A chemist carefully measures the amount of heat needed to raise the temperature of a 438.0 mg sample of a pure substance from 19.3 °C to 38.6 °C. The experiment shows that 15.6 J of heat are needed. What can the chemist report for the specific heat capacity of the substance? Round your answer to 3 significant digits. 10 J'g "K Ar
Expert Solution
Step 1

 

The given data contains,

mass = 438 mg = 0.438 gInitial temperature =19.3°C =292.3 KFinal temperature =38.6°C =311.6 KHeat = 15.6 J

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