Dalton’s Law of Partial Pressure
CHXI06:STATES OF MATTER

314120 The vapour pressure of a dry gas is

1 Less than that of wet gas
2 Greater than that of wet gas
3 Equal to that of wet gas
4 Double than wet gas
CHXI06:STATES OF MATTER

314121 The vapour pressure of a moist gas at \(\mathrm{35^{\circ} \mathrm{C}}\) is \(\mathrm{750 \mathrm{~mm}}\) and aqueous tension at that temperature is \(\mathrm{10 \mathrm{~mm}}\). Then vapour pressure of the dry gas is

1 \(\mathrm{750 \mathrm{~mm}}\)
2 \(\mathrm{760 \mathrm{~mm}}\)
3 \(\mathrm{740 \mathrm{~mm}}\)
4 \(\mathrm{720 \mathrm{~mm}}\)
CHXI06:STATES OF MATTER

314127 A dry gas occupies \(\mathrm{136.5 \mathrm{cc}}\) at STP. If the same mass of the gas is collected over water at \(\mathrm{27^{\circ} \mathrm{C}}\) at a total pressure of 725 torr, what volume does it occupy? (The vapour pressure of water at \(\mathrm{27^{\circ} \mathrm{C}}\) is 25 torr)

1 \(\mathrm{157.3 \mathrm{cc}}\)
2 \(\mathrm{162.9 \mathrm{cc}}\)
3 \(\mathrm{159.2 \mathrm{cc}}\)
4 \(\mathrm{160.9 \mathrm{cc}}\)
CHXI06:STATES OF MATTER

314128 If three unreactive gases having partial pressures \(\mathrm{P_{A}, P_{B}}\) and \(\mathrm{P_{C}}\) and their moles are 1, 2 and 3 respectively then their total pressure will be

1 \(\mathrm{P=P_{A}+P_{B}+P_{C}}\)
2 \(\mathrm{P=\dfrac{P_{A}+P_{B}+P_{C}}{6}}\)
3 \(\mathrm{P=\dfrac{\sqrt{P_{A}+P_{B}+P_{C}}}{3}}\)
4 None of these
CHXI06:STATES OF MATTER

314129 A mixture of dihydrogen and dioxygen at one bar pressure contains \(\mathrm{20 \%}\) by weight of dihydrogen. Calculate the partial pressure of dihydrogen.

1 0.2
2 0.4
3 0.6
4 0.8
CHXI06:STATES OF MATTER

314120 The vapour pressure of a dry gas is

1 Less than that of wet gas
2 Greater than that of wet gas
3 Equal to that of wet gas
4 Double than wet gas
CHXI06:STATES OF MATTER

314121 The vapour pressure of a moist gas at \(\mathrm{35^{\circ} \mathrm{C}}\) is \(\mathrm{750 \mathrm{~mm}}\) and aqueous tension at that temperature is \(\mathrm{10 \mathrm{~mm}}\). Then vapour pressure of the dry gas is

1 \(\mathrm{750 \mathrm{~mm}}\)
2 \(\mathrm{760 \mathrm{~mm}}\)
3 \(\mathrm{740 \mathrm{~mm}}\)
4 \(\mathrm{720 \mathrm{~mm}}\)
CHXI06:STATES OF MATTER

314127 A dry gas occupies \(\mathrm{136.5 \mathrm{cc}}\) at STP. If the same mass of the gas is collected over water at \(\mathrm{27^{\circ} \mathrm{C}}\) at a total pressure of 725 torr, what volume does it occupy? (The vapour pressure of water at \(\mathrm{27^{\circ} \mathrm{C}}\) is 25 torr)

1 \(\mathrm{157.3 \mathrm{cc}}\)
2 \(\mathrm{162.9 \mathrm{cc}}\)
3 \(\mathrm{159.2 \mathrm{cc}}\)
4 \(\mathrm{160.9 \mathrm{cc}}\)
CHXI06:STATES OF MATTER

314128 If three unreactive gases having partial pressures \(\mathrm{P_{A}, P_{B}}\) and \(\mathrm{P_{C}}\) and their moles are 1, 2 and 3 respectively then their total pressure will be

1 \(\mathrm{P=P_{A}+P_{B}+P_{C}}\)
2 \(\mathrm{P=\dfrac{P_{A}+P_{B}+P_{C}}{6}}\)
3 \(\mathrm{P=\dfrac{\sqrt{P_{A}+P_{B}+P_{C}}}{3}}\)
4 None of these
CHXI06:STATES OF MATTER

314129 A mixture of dihydrogen and dioxygen at one bar pressure contains \(\mathrm{20 \%}\) by weight of dihydrogen. Calculate the partial pressure of dihydrogen.

1 0.2
2 0.4
3 0.6
4 0.8
CHXI06:STATES OF MATTER

314120 The vapour pressure of a dry gas is

1 Less than that of wet gas
2 Greater than that of wet gas
3 Equal to that of wet gas
4 Double than wet gas
CHXI06:STATES OF MATTER

314121 The vapour pressure of a moist gas at \(\mathrm{35^{\circ} \mathrm{C}}\) is \(\mathrm{750 \mathrm{~mm}}\) and aqueous tension at that temperature is \(\mathrm{10 \mathrm{~mm}}\). Then vapour pressure of the dry gas is

1 \(\mathrm{750 \mathrm{~mm}}\)
2 \(\mathrm{760 \mathrm{~mm}}\)
3 \(\mathrm{740 \mathrm{~mm}}\)
4 \(\mathrm{720 \mathrm{~mm}}\)
CHXI06:STATES OF MATTER

314127 A dry gas occupies \(\mathrm{136.5 \mathrm{cc}}\) at STP. If the same mass of the gas is collected over water at \(\mathrm{27^{\circ} \mathrm{C}}\) at a total pressure of 725 torr, what volume does it occupy? (The vapour pressure of water at \(\mathrm{27^{\circ} \mathrm{C}}\) is 25 torr)

1 \(\mathrm{157.3 \mathrm{cc}}\)
2 \(\mathrm{162.9 \mathrm{cc}}\)
3 \(\mathrm{159.2 \mathrm{cc}}\)
4 \(\mathrm{160.9 \mathrm{cc}}\)
CHXI06:STATES OF MATTER

314128 If three unreactive gases having partial pressures \(\mathrm{P_{A}, P_{B}}\) and \(\mathrm{P_{C}}\) and their moles are 1, 2 and 3 respectively then their total pressure will be

1 \(\mathrm{P=P_{A}+P_{B}+P_{C}}\)
2 \(\mathrm{P=\dfrac{P_{A}+P_{B}+P_{C}}{6}}\)
3 \(\mathrm{P=\dfrac{\sqrt{P_{A}+P_{B}+P_{C}}}{3}}\)
4 None of these
CHXI06:STATES OF MATTER

314129 A mixture of dihydrogen and dioxygen at one bar pressure contains \(\mathrm{20 \%}\) by weight of dihydrogen. Calculate the partial pressure of dihydrogen.

1 0.2
2 0.4
3 0.6
4 0.8
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CHXI06:STATES OF MATTER

314120 The vapour pressure of a dry gas is

1 Less than that of wet gas
2 Greater than that of wet gas
3 Equal to that of wet gas
4 Double than wet gas
CHXI06:STATES OF MATTER

314121 The vapour pressure of a moist gas at \(\mathrm{35^{\circ} \mathrm{C}}\) is \(\mathrm{750 \mathrm{~mm}}\) and aqueous tension at that temperature is \(\mathrm{10 \mathrm{~mm}}\). Then vapour pressure of the dry gas is

1 \(\mathrm{750 \mathrm{~mm}}\)
2 \(\mathrm{760 \mathrm{~mm}}\)
3 \(\mathrm{740 \mathrm{~mm}}\)
4 \(\mathrm{720 \mathrm{~mm}}\)
CHXI06:STATES OF MATTER

314127 A dry gas occupies \(\mathrm{136.5 \mathrm{cc}}\) at STP. If the same mass of the gas is collected over water at \(\mathrm{27^{\circ} \mathrm{C}}\) at a total pressure of 725 torr, what volume does it occupy? (The vapour pressure of water at \(\mathrm{27^{\circ} \mathrm{C}}\) is 25 torr)

1 \(\mathrm{157.3 \mathrm{cc}}\)
2 \(\mathrm{162.9 \mathrm{cc}}\)
3 \(\mathrm{159.2 \mathrm{cc}}\)
4 \(\mathrm{160.9 \mathrm{cc}}\)
CHXI06:STATES OF MATTER

314128 If three unreactive gases having partial pressures \(\mathrm{P_{A}, P_{B}}\) and \(\mathrm{P_{C}}\) and their moles are 1, 2 and 3 respectively then their total pressure will be

1 \(\mathrm{P=P_{A}+P_{B}+P_{C}}\)
2 \(\mathrm{P=\dfrac{P_{A}+P_{B}+P_{C}}{6}}\)
3 \(\mathrm{P=\dfrac{\sqrt{P_{A}+P_{B}+P_{C}}}{3}}\)
4 None of these
CHXI06:STATES OF MATTER

314129 A mixture of dihydrogen and dioxygen at one bar pressure contains \(\mathrm{20 \%}\) by weight of dihydrogen. Calculate the partial pressure of dihydrogen.

1 0.2
2 0.4
3 0.6
4 0.8
CHXI06:STATES OF MATTER

314120 The vapour pressure of a dry gas is

1 Less than that of wet gas
2 Greater than that of wet gas
3 Equal to that of wet gas
4 Double than wet gas
CHXI06:STATES OF MATTER

314121 The vapour pressure of a moist gas at \(\mathrm{35^{\circ} \mathrm{C}}\) is \(\mathrm{750 \mathrm{~mm}}\) and aqueous tension at that temperature is \(\mathrm{10 \mathrm{~mm}}\). Then vapour pressure of the dry gas is

1 \(\mathrm{750 \mathrm{~mm}}\)
2 \(\mathrm{760 \mathrm{~mm}}\)
3 \(\mathrm{740 \mathrm{~mm}}\)
4 \(\mathrm{720 \mathrm{~mm}}\)
CHXI06:STATES OF MATTER

314127 A dry gas occupies \(\mathrm{136.5 \mathrm{cc}}\) at STP. If the same mass of the gas is collected over water at \(\mathrm{27^{\circ} \mathrm{C}}\) at a total pressure of 725 torr, what volume does it occupy? (The vapour pressure of water at \(\mathrm{27^{\circ} \mathrm{C}}\) is 25 torr)

1 \(\mathrm{157.3 \mathrm{cc}}\)
2 \(\mathrm{162.9 \mathrm{cc}}\)
3 \(\mathrm{159.2 \mathrm{cc}}\)
4 \(\mathrm{160.9 \mathrm{cc}}\)
CHXI06:STATES OF MATTER

314128 If three unreactive gases having partial pressures \(\mathrm{P_{A}, P_{B}}\) and \(\mathrm{P_{C}}\) and their moles are 1, 2 and 3 respectively then their total pressure will be

1 \(\mathrm{P=P_{A}+P_{B}+P_{C}}\)
2 \(\mathrm{P=\dfrac{P_{A}+P_{B}+P_{C}}{6}}\)
3 \(\mathrm{P=\dfrac{\sqrt{P_{A}+P_{B}+P_{C}}}{3}}\)
4 None of these
CHXI06:STATES OF MATTER

314129 A mixture of dihydrogen and dioxygen at one bar pressure contains \(\mathrm{20 \%}\) by weight of dihydrogen. Calculate the partial pressure of dihydrogen.

1 0.2
2 0.4
3 0.6
4 0.8