0.1 mole of gas absorbs 41.75 J of heat, the rise in temperature occurs 20°C, the gas must be

(1) Triatomic

(2) Diatomic

(3) Monoatomic

(4) (2) and (3) both

Subtopic:  Kinetic Theory of Gas |
 57%
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Van der Waals real gas, act as an ideal gas, at :

(1) High temperature, low pressure.

(2) Low temperature, high pressure.

(3) High temperature, high pressure.

(4) Low temperature, low pressure.

Subtopic:  van der Waal’s Correction |
 84%
From NCERT
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By the ideal gas law the pressure of 0.60 mol NH3 gas in a 3.00 litre vessel at 25°C is

(1) 48.9 atm

(2) 4.89 atm

(3) 0.489

(4) 489 atm

Subtopic:  Ideal Gas Law |
 77%
From NCERT
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The pressure of a mixture of 4 g of O2 and 2 g of H2 confined in a bulb of 1.0 L capacity at 0°C

(1) 25.18 atm

(2) 31.205 atm

(3) 40.215 atm

(4) 15.210 atm

Subtopic:  Ideal Gas Law |
 80%
From NCERT
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The volume occupied by 9.0 g of nitrogen gas at 300 K and 750 mmHg pressure is

(1) 5.854

(2) 6.7432

(3) 8.8462

(4) 8.0225

Subtopic:  Ideal Gas Law |
 61%
From NCERT
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The rms velocity of CO2 at a temperature T (in Kelvin) is X cm sec-1. At what temperature (in Kelvin), the rms velocity of nitrous oxide would be 4 X sec-1?

( Atomic weights of C, N, and O are respectively 12, 14 and 16)

(1) 16T

(2) 2T

(3) 4T

(4) 32T

Subtopic:  Molecular Velocity |
 74%
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7.5 grams of gas occupy 5.6 liters of volume at STP. The gas is..

(Atomic weight of C, N, and O are 12, 14, 16 respectively)

(1) NO

(2) N2O

(3) CO

(4) CO2

Subtopic:  Ideal Gas Law |
 76%
From NCERT
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The compressibility factor for 1 mol of a van der Waals gas at 0°C and 100 atmospheric pressure is found to be 0.5. The volume of gas is-

1. 2.0224 L

2. 1.4666 L

3. 0.8542 L

4. 0.1119 L

Subtopic:  Compressibility Factor |
 68%
From NCERT
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4 grams of an ideal gas occupies 5.6035 liters of volume at 546 K and 2 atm pressure. What is its molecular weight?

1. 4

2. 16

3. 32

4. 64

Subtopic:  Ideal Gas Law |
 85%
From NCERT
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The kinetic energy of 4 moles of nitrogen gas at 127°C is ......... Kcals. (R=2 cal mol-1 K-1)

1. 4400

2. 3200

3. 4800

4. 1524

Subtopic:  Kinetic Theory of Gas |
 79%
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