If the gravitational potential energy of the water is equal to the increase in the internal energy of the water, compute the change in its temperature (in Kelvin), if water drops from a height of 50 m. Assume no work is done on/by the water (C = 4184 J/kg K) Sol. Using the first law of thermodynamics: Delta U= Q - ______ Since W = _____ Then Delta U =Q But, by virtue of the problem, the internal energy is equal to  Delta U= ___________ g _________ While Q = _______ delta T Then ______h= ________ delta T    Delta T=___________ / ____________= _______________K (2 decimal place)

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If the gravitational potential energy of the water is equal to the increase in the internal energy of the water, compute the change in its temperature (in Kelvin), if water drops from a height of 50 m. Assume no work is done on/by the water (C = 4184 J/kg K)

Sol.

Using the first law of thermodynamics:

Delta U= Q - ______

Since

W = _____

Then

Delta U =Q

But, by virtue of the problem, the internal energy is equal to

 Delta U= ___________ g _________

While

Q = _______ delta T

Then

______h= ________ delta T

 

 Delta T=___________ / ____________= _______________K (2 decimal place)

(10 blanks) If the gravitational potential energy of the water is equal to the increase in the internal energy of the water,
compute the change in its temperature (in Kelvin), if water drops from a height of 50 m. Assume no work is done on/by
the water (C = 4184 J/kg K)
Sol.
Using the first law of thermodynamics:
AU-Q-
Since
Then
AU-Q
But, by virtue of the problem, the internal energy is equal to
AU-
While
Q=
AT
Then
h=
AT
AT-
K (2 decimal place)
Transcribed Image Text:(10 blanks) If the gravitational potential energy of the water is equal to the increase in the internal energy of the water, compute the change in its temperature (in Kelvin), if water drops from a height of 50 m. Assume no work is done on/by the water (C = 4184 J/kg K) Sol. Using the first law of thermodynamics: AU-Q- Since Then AU-Q But, by virtue of the problem, the internal energy is equal to AU- While Q= AT Then h= AT AT- K (2 decimal place)
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