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.Management Sciences
Category: Stoichiometry
With increase in the solute concentration, the specific heat of aqueous solutions _____________________?
A. Increases
B. Decreases
C. Remains unchanged
D. Either A. or B.; depends on the type of solution
The average translational kinetic energy with which a gas molecule is endowed is dependent on its__________________?
A. Nature
B. Size
C. Absolute temperature
D. All A., B. & C.
Specific gravity on API scale is given by the relation (where, G = specific gravity at 15.5°C) ?
A. °API = 200(G – 1)
B. °API = (141.5/G) – 131.5
C. °API = (140/G) – 130
D. °API = 145 – (145/G)
A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be_______________?
A. -136.5°C
B. – 136.5°K
C. -273°C
D. 0°K
The total number of atoms in 8.5 gm of NH3 is _______________ × 1023?
A. 9.03
B. 3.01
C. 1.204
D. 6.02
S.T.P. corresponds to _________________?
A. 1 atm. absolute pressure & 15.5°C
B. 760 mm Hg gauge pressure & 15.5°C
C. 760 torr & 0°C
D. 101.325 kPa gauge pressure & 15.5°C
Kinematic viscosity of 1 m2 /second is equivalent to _____________ stokes?
A. 10
B. 102
C. 103
D. 104
Which of the following terms of Vander Walls equation of state for a non-ideal gas accounts for intermolecular forces ?
A. RT
B. P + (a/V2)
C. (V – b)
D. 1/RT
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