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The value of the universal gas constant depends upon - Chemistry

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प्रश्न

The value of the universal gas constant depends upon

पर्याय

  • Temperature of the gas

  • Volume of the gas

  • Number of moles of the gas

  • Units of pressure and volume

MCQ
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उत्तर

Units of pressure and volume

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पाठ 6: Gaseous State - Evaluation [पृष्ठ १७९]

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सामाचीर कलवी Chemistry - Volume 1 and 2 [English] Class 11 TN Board
पाठ 6 Gaseous State
Evaluation | Q I. 9. | पृष्ठ १७९

संबंधित प्रश्‍न

Calculate the volume occupied by 8.8 g of CO2 at 31.1°C and 1 bar pressure. R = 0.083 bar L K–1 mol–1.


Which of the following diagrams correctly describes the behaviour of a fixed mass of an ideal gas? (T is measured in K)


In what way real gases differ from ideal gases.


Explain whether a gas approaches ideal behavior or deviates from ideal behaviour if it is compressed to a smaller volume at a constant temperature.


Explain whether a gas approaches ideal behavior or deviates from ideal behaviour if the temperature is raised while keeping the volume constant.


Under which of the following two conditions applied together, a gas deviates most from the ideal behaviour?

(i) Low pressure

(ii) High pressure

(iii) Low temperature

(iv) High temperature


If 1 gram of each of the following gases are taken at STP, which of the gases will occupy (a) greatest volume and (b) smallest volume?

\[\ce{CO, H2O, CH4 , NO}\]


Pressure versus volume graph for a real gas and an ideal gas are shown in figure. Answer the following questions on the basis of this graph.

(i) Interpret the behaviour of real gas with respect to ideal gas at low pressure.

(ii) Interpret the behaviour of real gas with respect to ideal gas at high pressure.

(iii) Mark the pressure and volume by drawing a line at the point where real gas behaves as an ideal gas.


Match the following graphs of ideal gas with their co-ordinates:

Graphical representation x and y co-ordinates
(i) (a) pV vs. V
(ii) (b) p vs. V
(iii) (c) p vs. `1/V`

Choose the correct option for the total pressure (in atm.) in a mixture of 4g \[\ce{O2}\] and 2g \[\ce{H2}\] confined in a total volume of one litre at 0°C is ______.

[Given R = 0.082 L atm mol−1K−1, T = 273 K]


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