A) \[740\,ml\]
B) \[250\,ml\]
C) \[280\,ml\]
D) \[135\,ml\]
Correct Answer: C
Solution :
From Charles law at constant pressure, we have \[\frac{{{V}_{1}}}{{{T}_{1}}}=\frac{{{V}_{2}}}{{{T}_{2}}}\] \[{{V}_{2}}=\frac{{{V}_{1}}\times {{T}_{2}}}{{{T}_{1}}}\] Here, \[{{T}_{1}}={{27}^{o}}C=27+273=300K.\] \[{{T}_{2}}={{7}^{o}}C=7+273=280K.\] \[{{V}_{1}}=300ml,\,\,{{V}_{2}}=?\] \[{{V}_{2}}=\frac{300\times 280}{300}=280ml\]
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