An ideal gas in a sealed container has an initial volume of 2.45 L. At a constant pressure, it is cooled to 19.00 °C where its volume is 1.75 L. What was initial temperature?
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For a given mass of an ideal gas at constant pressure, the volume is directly proportional to its absolute temperature , assuming in a closed system.
https://www.quora.com/A-perfect-gas-at-27-C-is-heated-at-constant-pressure-till-its-volume-is-doubled-What-will-be-its-final-temperature
https://www.quora.com/A-perfect-gas-at-27-C-is-heated-at-constant-pressure-till-its-volume-is-doubled-What-will-be-its-final-temperature
V
1
V
2
=
T
1
T
2
,
where T is absolute temperature in KELVIN
https://study.com/academy/lesson/degrees-celsius-definition-conversion-quiz.html
https://study.com/academy/lesson/degrees-celsius-definition-conversion-quiz.html
G
i
v
e
n
:
V
1
=
2.45
L
,
V
2
=
1.75
L
,
T
2
=
19
∘
C
=
273
+
19
=
292
∘
K
,
T
1
=
?
T
1
T
2
=
V
1
V
2
T
1
=
(
2.45
1.75
)
⋅
292
=
408.8
∘
K
=
408.8
−
273
=
135.8
∘
C
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