Question: Given that the change in temperature was 3 degrees celcius and the volume of sand in the system was 110ml, What was the change in internal energy of the system? Show your work. Hint: The specific heat for dry sand is about 0.80 J/g·K and the density for sand is 2.3 g/mL.
Question: Given that the change in temperature was 3 degrees celcius and the volume of sand in the system was 110ml, What was the change in internal energy of the system? Show your work. Hint: The specific heat for dry sand is about 0.80 J/g·K and the density for sand is 2.3 g/mL.
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section: Chapter Questions
Problem 72GQ: Determine whether energy as heat is evolved or required, and whether work was done on the system or...
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Can you check and see if my work is correct? Thank you!
Question: Given that the change in temperature was 3 degrees celcius and the volume of sand in the system was 110ml, What was the change in internal energy of the system? Show your work.
Hint: The specific heat for dry sand is about 0.80 J/g·K and the density for sand is 2.3 g/mL.
My work: Volume of Sand(on package) = 110ml m=pv m= (110ml)(2.3g/ml) m= 256
U = mcT U = (253g)(0.80 J/g·K)(3K) U = 607.2 J U = 6*10^2 J
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