Sharp EL-W531X

Operation Display
1000000
1000000
101000
1000000
101000
0.01
1000000
0.01
0.434
<Example 2>
Air is held inside a cylinder of volume V
1
(= 0.01 m
3
) at a
pressure P
1
(= 1,000,000 Pa) at 27°C with a piston.
Find the quantity of thermal energy Q needed to expand the air
at constant temperature to a pressure of P
2
(= 101,000 Pa).
19
Q = p
1
V
1
In
p
2
p
1
p
2
p
1
log
p
1
V
1
0.434
Exponential, Logarithmic