Volume of a given amount of gas at 57∘C is 425.8cm3. If the temperature is decreased to 37∘C at constant pressure, then the volume of the gas would be :
A
400cm3
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
220cm3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
880cm3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
12.20cm3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A400cm3 According to Charle's Law, V∝T at constant pressure for an ideal gas.
So, we can write that, V1V2=T1T2......(1)
Here, V1=425.8cm3 T1=273+57=330K T2=273+37=310K V2=?
Thus, from (1) V2=V1×T2T1=425.8×310330=400cm3
Hence, option (a) is the correct answer.