A chemist carefully measures the amount of heat needed to raise the temperature of a 1.54 kg sample of a pure ubstance from -0.1 °C to 17.8 °C. The experiment shows that 19.6 kJ of heat are needed. What can the chemist report or the specific heat capacity of the substance? Be sure your answer has the correct number of significant digits. -1 | J-g K J.g ?
A chemist carefully measures the amount of heat needed to raise the temperature of a 1.54 kg sample of a pure ubstance from -0.1 °C to 17.8 °C. The experiment shows that 19.6 kJ of heat are needed. What can the chemist report or the specific heat capacity of the substance? Be sure your answer has the correct number of significant digits. -1 | J-g K J.g ?
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 20E: A 45-g aluminum spoon (specific heat 0.88 J/g C) at 24 C is placed in 180 mL (180 g) of coffee at 85...
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Transcribed Image Text:A chemist carefully measures the amount of heat needed to raise the temperature of a 1.54 kg sample of a pure
substance from -0.1 °C to 17.8 °C. The experiment shows that 19.6 kJ of heat are needed. What can the chemist report
for the specific heat capacity of the substance? Be sure your answer has the correct number of significant digits.
J'g
K
х10
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