Stoichiometry Mcqs for Chemical


Q.  Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of________________?

a. Mixing
b. Adsorption
c. Wetting
d. Complete wetting


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  In the reaction; N2 + O2 ⇌ 2NO, increasing the pressure will result in_________________?
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MCQs:  At a given temperature, the volume of a gas dissolved in a solvent _______________ with increase in pressure?
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MCQs:  ____________ does not change during phase transformation processes like sublimation, melting & vaporisation?
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MCQs:  At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is____________________?
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MCQs:  Lenz’s law results from the law of conservation of___________________?
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MCQs:  Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system ?
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MCQs:  One ton of refrigeration capacity is equivalent to the heat removal rate of____________________?
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MCQs:  Entropy, which is a measure of the disorder of a system, is__________________?
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MCQs:  A refrigerator works on the principle of _____________ law of thermodynamics?
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MCQs:  Gibbs free energy (G) is represented by, G = H – TS, whereas Helmholtz free energy, A. is given by, A = E – TS. Which of the following is the Gibbs-Helmholtz equation ?
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MCQs:  Pick out the correct statement?
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MCQs:  A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown below in the P-V diagram. The net work done during the complete cycle is given by the area covered by_________________?
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MCQs:  The equation relating E, P, V and T which is true for all substances under all conditions is given by (∂E/∂V)T = T(∂P/∂T)H – P. This equation is called the ___________________?
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MCQs:  Cv is given by__________________?
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MCQs:  There is a change in ______________ during the phase transition?
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MCQs:  In Joule-Thomson porous plug experiment, the__________________?
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MCQs:  A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system is______________?
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MCQs:  A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is_________________?
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MCQs:  Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The ratio of chemical potential to free energy of a pure substance at constant temperature and pressure is________________?
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MCQs:  One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is_________________?
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