A sample of K(s) of mass 3.226 gg undergoes combustion in a constant volume calorimeter at 298.15 K. The calorimeter constant is 1849 J⋅K−Mol-, and the measured temperature rise in the inner water bath containing 1538 gg of water is 1.776 K. CP,m(H2O,l)=75.3J⋅mol−1⋅K−1CP,m(H2O,l)=75.3J⋅mol−1⋅K−1.1) Calculate ΔU��f for K2O2) Calculate ΔH∘f for K2O I Review I Constants I Periodic TableA sample of K(s) of mass 3.226 g undergoescombustion in a constant volume calorimeter at298.15 K. The calorimeter constant is 1849Part AJ.K-, and the measured temperature rise in theinner water bath containing 1538 g of water is1.776 K.Calculate AU: for K2O.CP,m (H2O, 1) = 75.3 J · mol1 . K-1.Express your answer to four significant figures and include the appropriate units.HÅ?AU =ValueUnitsSubmitRequest AnswerPart BCalculate AH, for K2O.Express AH to three significant figures and include the appropriate units.HAAH =ValueUnitsSubmitRequest AnswerProvide FeedbackNext >P Pearson

Given information: Mass of K(s) = 3.266 g Calorimeter constant = 1849 J/K Temperature change = 1.776…

Answered: I Review I Constants I Periodic Table A…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter12: Thermodynamic Processes And Thermochemistry

Section: Chapter Questions

Problem 66AP

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A sample of K(s) of mass 3.226 gg undergoes combustion in a constant volume calorimeter at 298.15 K. The calorimeter constant is 1849 J⋅K−Mol-, and the measured temperature rise in the inner water bath containing 1538 gg of water is 1.776 K. CP,m(H2O,l)=75.3J⋅mol−1⋅K−1CP,m(H2O,l)=75.3J⋅mol−1⋅K−1.

1) Calculate ΔU��f for K2O

2) Calculate ΔH∘f for K2O

I Review I Constants I Periodic Table
A sample of K(s) of mass 3.226 g undergoes
combustion in a constant volume calorimeter at
298.15 K. The calorimeter constant is 1849
Part A
J.K-, and the measured temperature rise in the
inner water bath containing 1538 g of water is
1.776 K.
Calculate AU: for K2O.
CP,m (H2O, 1) = 75.3 J · mol1 . K-1.
Express your answer to four significant figures and include the appropriate units.
HÅ
?
AU =
Value
Units
Submit
Request Answer
Part B
Calculate AH, for K2O.
Express AH to three significant figures and include the appropriate units.
HA
AH =
Value
Units
Submit
Request Answer
Provide Feedback
Next >
P Pearson

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