1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
As the temperature is raised from 20°C to 40°C, the average kinetic energy of neon atoms changes by a factor of which of the following?
A
1/2
B
2
C
$$313\over293$$
D
$$\sqrt{313\over293}$$
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In Van der Waals equation of state of the gas law, the constant ‘b’ is a measure of
A
intermolecular repulsions
B
intermolecular collisions per unit volume
C
Volume occupied by the molecules
D
intermolecular attraction
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
An ideal gas expands in volume from 1$$\times$$10-3 m3 to 1 $$\times$$ 10-2 m3 at 300 K against a constant pressure of 1$$\times$$105 Nm-2. The work done is :
A
-900 J
B
900 kJ
C
270 kJ
D
-900 kJ
4
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
The enthalpies of combustion of carbon and carbon monoxide are -393.5 and -283 kJ mol-1 respectively. The enthalpy of formation of carbon monoxide per mole is :
A
110.5 kJ
B
-110.5 kJ
C
-676.5 kJ
D
676.5 kJ
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