At constant pressure,
V1/V2 = T1/T2
V1 = 2.45 L
V2 = 1.75 L
T2 = 25°C = 25+273.15 = 298.15 K
Substituting values, we get :
2.45/1.75 = T1/298.15
T1 = 298.15×2.45/1.75
T1 = 417.41 K = 417.41 -273.15
= 144.26 °C
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