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Thermodynamics for Chemical Quiz 6

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Thermodynamics for Chemical Quiz 6

1 / 50

Pick out the correct statement ?

2 / 50

Pick out the correct statement ?

3 / 50

Partial molar free energy of an element A in solution is same as its___________?

4 / 50

Normal temperature and pressure (N.T.P.) corresponds to _____?

5 / 50

Isentropic process means a constant _______ process ?

6 / 50

In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13?C and 37?C respectively, the Carnot COP will be_________?

7 / 50

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__________?

8 / 50

Internal energy of an ideal gas_____?

9 / 50

Measurement of thermodynamic property of temperature is facilitated by _____ law of thermodynamics?

10 / 50

One ton of refrigeration capacity is equivalent to the heat removal rate of______?

11 / 50

Out of the following refrigeration cycles, which one has maximum COP ?

12 / 50

Lenz?s law results from the law of conservation of_____?

13 / 50

Joule-Thomson effect i.e., a throttling process is a constant ______ process?

14 / 50

Number of phases in a colloidal system is_______?

15 / 50

Lenz?s law results from the law of conservation of_____?

16 / 50

Joule-Thomson co-efficient is defined as___________?

17 / 50

Joule-Thomson co-efficient which is defined as, ? = (?T/?P)H = 1/Cp (?H/?T)P, changes sign at a temperature known as inversion temperature. The value of Joule-Thomson co-efficient at inversion temperature is _____?

18 / 50

Joule-Thomson Co-efficient at any point on the inversion curve is_____?

19 / 50

Melting of ice is an example of an ______ process?

20 / 50

Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a ___________?

21 / 50

Internal energy change of a system over one complete cycle in a cyclic process is___________?

22 / 50

Near their critical temperatures, all gases occupy volumes ______ that of the ideal gas?

23 / 50

Maxwell?s relation corresponding to the identity, dH = dS = Vdp + ??i dni is_______?

24 / 50

In the reaction; N2 + O2 ? 2NO, increasing the pressure will result in__________?

25 / 50

Pick out the correct equation relating ?F? and ?A?_____?

26 / 50

Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is___________?

27 / 50

Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is___________?

28 / 50

Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in___________?

29 / 50

Melting of wax is accompanied with _______ in entropy?

30 / 50

Mollier chart is a ______ plot?

31 / 50

Internal energy of an element at 1 atm and 25? C is _____ kcal/kg.mole?

32 / 50

No work is done by the system, when a reaction occurs at constant___________?

33 / 50

Isobaric process means a constant process ?

34 / 50

On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will______?

35 / 50

Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as_________?

36 / 50

Kopp?s rule is used to calculate the heat capacity of_____?

37 / 50

Linde gas liquefaction process employs cooling ______?

38 / 50

Mollier diagram is a plot of_____?

39 / 50

Maximum work that could be secured by expanding the gas over a given pressure range is the ______ work?

40 / 50

Pick out the Clausius-Clapeyron equation from the following?

41 / 50

Joule-Thomson experiment is___________?

42 / 50

Joule-Thomson co-efficient depends on the_______?

43 / 50

Melting of ice exemplifies a/an________?

44 / 50

Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole. ?K_____?

45 / 50

On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal line at point A. Then at a point A, the slope of the reversible adiabatic line (?P/?V)s and the slope of the reversible isothermal line (?P/?V)T are related as (where, y = Cp/Cv) ?

46 / 50

Joule-Thomson co-efficient for a perfect gas is_______?

47 / 50

Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance) ?

48 / 50

Internal energy is equal to the heat absorbed in case of a/an _______ process?

49 / 50

In which of the following reaction equilibrium, the value of equilibrium constant Kp will be more than is Kc ?

50 / 50

In the reaction; N2 + O2 ? 2NO, increasing the pressure will result in__________?

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