Question

10.
A gas undergoes the cycle of pressure and volume changes WXY->2>W
shown in the diagram.
Y
z
pressurel
10 Pa 2+
xi
W
4
1 2 3
volume/10m
What is the work done by the gas?
A) -600 J
B) OJ
C) -2003
D) 200 J
Neb​

Answer 1

Answer:

-600 J

Explanation:

Answer 2

Answer:

The work done by the gas is +200 J

Explanation:

Given: A gas undergoes the cycle of pressure and volume changes W - X - Y -W

To find: Work done by the gas

Solution

Work done in PV(Pressure volume) graph:

When the volume V of a system changes, pressure-volume work, also known as PV work, takes place.

The amount of work performed by a PV system is frequently expressed in liter-atmospheres, where 1L represents the system's total work during the entire reversible process.

The work W is equal to the force f times the distance d.

Then

W = fd.

In a P.V graph, the cycle is clockwise, so work is done by the gas.

W = ( 1 × $10^{5}$  Pa) × (2 × $10 ^{-3} m^{3}$)

= + 200 J

Final answer:

The work done by the gas is +200 J

SPJ3