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Stoichiometry

Stoichiometry
Number of gm moles of solute dissolved in one litre of a solution is called its

Normality
Equivalent weight
Molarity
Molality

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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

760
630
880
380

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Stoichiometry
With increase in the temperature of pure (distilled) water, its

PH and pOH both increases
POH decreases and pH increases
POH and pH both 4ecreases
PH decreases and pOH increases

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Stoichiometry
CaCO₃ contains __________ percent of Ca by weight.

96
40
48
12

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Stoichiometry
The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times.

43832
43834
√2
4

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Stoichiometry
Internal energy of a substance comprises of the __________ energy.

All of these
Translational
Rotational
Vibrational

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