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  • A sealed flask with a capacity at  contain 10 g of propane gas. The Flask is

A sealed flask with a capacity at 1 \mathrm{dm}^3 contain 10 g of propane gas.
The Flask is so weak that it will burst if the Pressure become 2 MPa. The Minimum temperature at winch the flask will burst is?

Option: 1

1090 K


Option: 2

1080 K


Option: 3

1000 K


Option: 4

1200 K


Answers (1)

best_answer

\text { Number of Mole of } \mathrm{C}_3 \mathrm{M8}=\frac{10}{44}=.22 \text {mole }

\mathrm{\begin{aligned} & P_V=m R T \\ & P=2 \mathrm{MPa} \\ & V=1 \mathrm{~dm}^3 \end{aligned}}

\begin{aligned} & \Rightarrow 2 \times 10^6 \times 1 \times 10^{-3}=.22 \times 8.3 \times T \\ & T=\frac{2 \times 10^3}{1.826}=1.09 \times 10^3 \\ & =1090 \mathrm{~K} \\ & \end{aligned}

 

Posted by

vinayak

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