Item 5 In (Figure 1), consider the closed loop 1+2+3+41. This is a cyclic process in...

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Item 5 In (Figure 1), consider the closed loop 1+2+3+41. This is a cyclic process in which the initial and final states are t

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Answer 1

Answer #1

A)

always remember

if in question you have P-V diagram then

work done = area under curve

in this case to find the total area we need to calculate the area of the given rectangle

that is 4-1-2-3-4

so the area of a rectangle = length*width = 6 L * 4 atm

now convert these units into S.I unit

1 atm =101325 pascals

1 L = 10^-3 m³

so

work = 6*10^-3*4*101325 = 2431.8 J answer for A

B)

- 2431.8 J answer for B

in this casework will be negative but same magnitude

positive in case of the clockwise cycle and negative in case of anti-clockwise cycle

D)

W₃₄₂₃ = area of a trainagle

= 1/2*base *height = 1/2*6*10^-3*4*101325 =1215.9 J answer

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