nmn Read each question carefully, be clear and organized and show ALL your work.
ID: 2252026 • Letter: N
Question
nmn
Read each question carefully, be clear and organized and show ALL your work. Please circle your answers to the problem and don't forget the units! Don't forget units and proper vector notation when applicable. The score for this test will be calculated out of 75 points. NOTE: Return this test handout with your blue book. Which of the following best explains the difference between specific heat at constant pressure for an ideal gas and the specific heat at constant volume for an ideal gas? The heat for a constant pressure process goes exclusively into the internal energy, causing a higher temperature rise for a given amount of heat. The energy lost to the system is greater in a constant volume process than in a constant pressure process, since Q is bigger in the constant volume process. The work done in a constant pressure causes a higher temperature rise for a given amount of heat. The heat for a constant volume process goes exclusively into the internal energy, causing a higher temperature rite for a given amount of heat. The work done in a constant volume process increases the temperature more than in a constant pressure process for a given amount of heat. Consider an object of mass m and a container with water in it. In which of the locations shown in the figure below will the object experience the smallest buoyant force? (Select all that apply) 4 2 3 It's the same in all locations Water is flowing through a tube as shown below, with three tubes open to the atmosphere at the top. Rank each tube as to the water height in the column, from highest to lowest. A, B, C B, A, C C, B, A C, A, B A, C, B Determine which of the following pressure - volume graphs represents an isobaric process an isothermal process an isochoric processExplanation / Answer
1.
e.
it explains the difference between Cv and Cp
2)
c.
beacuse buyont force = weight of dispesed water. .. as in 2 the volume of dispersed water is less, Buyont force is less
3)
d.
C will have highest as depth is lowest and B will have lowest bcoz depth is highest
4)
an isobaric ( contant Pressure) ==> e ...(P const. )
an isothermal ( constant Temp. ) ==> b ...(by gas law : PV= const)
an isochoric ( constant volume) ==> c ..(V const.)
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