Explain everyday examples that illustrate the four laws of thermodynamics and the processes of thermal energy transfer.
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Q 1/5
Score 0
What direction is the heat flowing in the above situation?
120
Water to hot plate
Air to water
Water to air
Hot plate to water
Q 2/5
Score 0
What equation is necessary to solve for the heat energy?
120
Tf=(m1Cp1T1+m2Cp2T2)/(m1Cp1+m2Cp2)
F=ma
KE=1/2mv^2
Q=mCp(T2-T1)
5 questions
Q.
What direction is the heat flowing in the above situation?
1
120 sec
112.39.c.6.e
Q.
What equation is necessary to solve for the heat energy?
2
120 sec
112.39.c.6.e
Q.
Which point on the above graph has the lowest entropy level?
3
120 sec
112.39.c.6.e
Q.
If the graph were reversed and water vapor changed to water and changed to ice, what point would that the lowest entropy level (E starts at front, A at the end)?
4
120 sec
112.39.c.6.e
Q.
What law of thermodynamics supports the answer to 3 and 4 and why?
