an open flask contains air at 27degree celsius .calculate the temperature at which it should be heated so that 1/3rd of air measured at 27 degree celsius escapes out
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27°C= 27+273= 300 Kelvin
Let at temperature1 (T1), volume = 1 litre
When ⅓ air escapes out, air left = ⅔ litre
use V1T1= V2T2
1 x 300 = ⅔ x T2
T2= 450 Kelvin
ie 450-273= 177°C
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