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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