One litre of Helium gas at a pressure of 76 cm - Hg and temperature 27 $^{0}$ C is heated till its pressure and volume are doubled. The final temperature attained by the gas is

900

^{0}

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927

^{0}

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627

^{0}

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327

^{0}

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Solution

The correct option is C 927 $^{0}$ C
$\frac{P_{1} V_{1}}{T_{1}} = \frac{P_{2} V_{2}}{T_{2}} \frac{P V}{300} = \frac{2 P \times 2 V}{T_{2}} T_{2} = 1200 K T_{2} = 927^{\circ} C$

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One litre of Helium gas at a pressure of 76 cm - Hg and temperature 270C is heated till its pressure and volume are doubled. The final temperature attained by the gas is

The correct option is C 9270CP1V1T1=P2V2T2PV300=2P×2VT2T2=1200KT2=927∘C

One litre of Helium gas at a pressure of 76 cm - Hg and temperature 27 $^{0}$ C is heated till its pressure and volume are doubled. The final temperature attained by the gas is

The correct option is C 927 $^{0}$ C
$\frac{P_{1} V_{1}}{T_{1}} = \frac{P_{2} V_{2}}{T_{2}} \frac{P V}{300} = \frac{2 P \times 2 V}{T_{2}} T_{2} = 1200 K T_{2} = 927^{\circ} C$