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Stoichiometry

Stoichiometry
According to the kinetic theory, the thermal conductivity of a monoatomic gas is proportional to

T1.5
T
T2
T0.5

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Stoichiometry
Pick out the correct conversion.

1 BTU = 252 calories
1 BTU =453.6 calories
1 calorie = 453.6 BTU
1 calorie = 252 BTU

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Stoichiometry
A car tyre of volume 0.057 m³ is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is

880
380
630
760

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Stoichiometry
As per Kirchoff s equation, the heat of reaction is affected by the

Molecularity
Volume
Pressure
Temperature

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Stoichiometry
Gases diffuse faster compared to liquids because of the reason that the liquid molecules

Are held together by stronger inter-molecular forces
Are heavier
Move faster
Have no definite shape

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Stoichiometry
One micron is equal to

10⁻⁴ mm
10⁻⁶ m
10⁻⁴ cm
Both B & C

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