at what temperature in degree centigrade will the volume of a gas at 0 degree Celsius double itself pressure remain constant
Answers
Answered by
23
Assuming an ideal gas, the state equation is
PV = nRT .
At constant pressure P and fixed number of moles n, Volume V grows proportionally to temperature T. (R is a universal constant.)
Thus, volume doubles when temperature doubles. At 0°C, the absolute temperature is T = 273.15 K. The double of that is 546.30 K = +273.15°C.
Answered by
5
ANSWER
According to Charles's law, \dfrac{V_1}{V_2}=\dfrac{T_1}{T_2}
V
2
V
1
=
T
2
T
1
V_2=2V_1V
2
=2V
1
T_1=273 KT
1
=273K
substituting in the above equation we get,
\dfrac12=\dfrac{273}{T_2}
2
1
=
T
2
273
T_2T
2
=546 K
In celsius scale substract 273 from 546 so T_2=273^\circ CT
2
=273
∘
C
Hence, option (B) is correct.
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