200 mL of a gas are found to have a pressure of 750 mm. What will be its volume if the pressure is doubled at the same temperature?

150 m L

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100 m L

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200 m L

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None of these

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Solution

The correct option is B $100 m L$
$V_{1} = \frac{200}{750} = 0.2 d m^{3}$
$P_{1} = 750 m m$
We know,
$P_{1} V_{1} = P_{2} V_{2}$
$750 \times \frac{2}{10} = 750 \times 2 \times V_{2}$
Hence,
$V_{2} = 0.1 L = 100 m L$

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Q. 100 mL of gas is collected at 750 mm pressure. What volume will it occupy at 745 mm pressure?

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200 mL of a gas are found to have a pressure of 750 mm. What will be its volume if the pressure is doubled at the same temperature?

The correct option is B 100 mLV1=200750=0.2dm3P1=750 mmWe know,P1V1=P2V2750×210=750×2×V2Hence,V2=0.1L=100 mL

The correct option is B $100 m L$
$V_{1} = \frac{200}{750} = 0.2 d m^{3}$
$P_{1} = 750 m m$
We know,
$P_{1} V_{1} = P_{2} V_{2}$
$750 \times \frac{2}{10} = 750 \times 2 \times V_{2}$
Hence,
$V_{2} = 0.1 L = 100 m L$