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Stoichiometry

Stoichiometry
Number of gm moles of solute dissolved in 1 kg of solvent is called its

Formality
Molality
Normality
Molarity

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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
Pick out the wrong unit conversion.

1 atm. = 760 mm Hg = 29.92 inch Hg = 14.7 psi = 1.013 bar = 1.013 kgf/cm²
1 mm Hg = 1 torr = 133.3 Pa
None of these
1 kPa = 100 bar

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Stoichiometry
Cp is expressed in S.I. unit as

0°K
W/m². °C
J/kg.°K
W/m. °K

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Stoichiometry
The number of atoms of oxygen present in 11.2 litres of ozone (O₃) at N.T.P. are

3.01 x 10²²
6.02 x 10²³
1.20 x 10²⁴
9.03 x 10²⁴

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Stoichiometry
Unit of power is

Watt
Joule
Joule/Second
Both B & C

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