All the oxygen gas from a 10.0-L container at a pressure of 202
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Oxygen is 101 kPa; hydrogen is 505 kPa Oxygen is 202 kPa; hydrogen is 505 kPa PowerPoint PPT Presentation


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All the oxygen gas from a 10.0-L container at a pressure of 202 kPa is added to a 20.0-L container of hydrogen at a pressure of 505 kPa . After the transfer, what are the partial pressures of oxygen and hydrogen?. Oxygen is 101 kPa; hydrogen is 505 kPa Oxygen is 202 kPa; hydrogen is 505 kPa

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Oxygen is 101 kPa; hydrogen is 505 kPa Oxygen is 202 kPa; hydrogen is 505 kPa

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Oxygen is 101 kpa hydrogen is 505 kpa oxygen is 202 kpa hydrogen is 505 kpa

All the oxygen gas from a 10.0-L container at a pressure of 202 kPa is added to a 20.0-L container of hydrogen at a pressure of 505 kPa. After the transfer, what are the partial pressures of oxygen and hydrogen?

  • Oxygen is 101 kPa; hydrogen is 505 kPa

  • Oxygen is 202 kPa; hydrogen is 505 kPa

  • Oxygen is 101 kPa; hydrogen is 253 kPa

  • Oxygen is 202 kPa; hydrogen is 253 kPa


Oxygen is 101 kpa hydrogen is 505 kpa oxygen is 202 kpa hydrogen is 505 kpa

Nitrogen monoxide and oxygen gas combine to form the brown gas nitrogen dioxide, which contributes to photochemical smog. How many liters of nitrogen dioxide are produced when 34 L of oxygen reacts with an excess of nitrogen monoxide? Assume conditions of STP.

  • 3.0 L NO2

  • 138 L NO2

  • 68 L NO2

  • 22.4 L NO2

34 L O2 x 1 mol O2 x 2 mol NO2 x 22.4 L NO2 =

22.4 L O2 1 mol O2 1 mol NO2

= 68 L NO2

2 NO2 (g) + O2 (g) → NO2 (g)


Oxygen is 101 kpa hydrogen is 505 kpa oxygen is 202 kpa hydrogen is 505 kpa

Phosphorus and hydrogen can be combined to form phosphine. How many liters of phosphine are formed when 0.42 L of hydrogen reacts with phosphorus at STP?

  • 0.42 L PH3

  • 0.28 L PH3

  • 1.68 L PH3

  • 22.4 L PH3

P4 (s) + 6H2 (g) → 4PH3 (g)

trigonal pyramid


Which of the following is not characteristic of matter in the gaseous state

Which of the following is not characteristic of matter in the gaseous state?

  • Gases fill their containers completely.

  • The collisions particles undergo with the container walls exert pressure.

  • Gases have mass.

  • The pressure of a gas is independent of its temperature.

  • Gases are compressible.

  • The distances between gas particles is relatively large.


False just the opposite

False ... just the opposite!

Gases behave most ideally at high pressures and low temperatures.


Oxygen is 101 kpa hydrogen is 505 kpa oxygen is 202 kpa hydrogen is 505 kpa

Which of the following changes would increase the pressure of a gas in a closed container? I. Part of the gas is removed. II. The container size is decreased. III. Temperature is increased.

  • I & II only

  • II & III only

  • I & III only

  • I, II & III

  • none of the above


Oxygen is 101 kpa hydrogen is 505 kpa oxygen is 202 kpa hydrogen is 505 kpa

Which of the following changes would increase the pressure of a gas in a closed container? I. Part of the gas is removed. II. The container size is decreased. III. Temperature is increased.

  • I & II only

  • II & III only

  • I & III only

  • I, II & III

  • none of the above


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