Thermodynamics for Chemical Quiz 6
1 / 50
On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will______?
2 / 50
Pick out the correct statement ?
3 / 50
Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is___________?
4 / 50
Joule-Thomson Co-efficient at any point on the inversion curve is_____?
5 / 50
Joule-Thomson experiment is___________?
6 / 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) ?
7 / 50
Lenz?s law results from the law of conservation of_____?
8 / 50
Maximum work that could be secured by expanding the gas over a given pressure range is the ______ work?
9 / 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__________?
10 / 50
Isentropic process means a constant _______ process ?
11 / 50
Internal energy of an element at 1 atm and 25? C is _____ kcal/kg.mole?
12 / 50
13 / 50
Normal temperature and pressure (N.T.P.) corresponds to _____?
14 / 50
Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as_________?
15 / 50
Melting of ice exemplifies a/an________?
16 / 50
Mollier diagram is a plot of_____?
17 / 50
18 / 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 _____?
19 / 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_________?
20 / 50
Internal energy of an ideal gas_____?
21 / 50
One ton of refrigeration capacity is equivalent to the heat removal rate of______?
22 / 50
Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole. ?K_____?
23 / 50
Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in___________?
24 / 50
In the reaction; N2 + O2 ? 2NO, increasing the pressure will result in__________?
25 / 50
Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance) ?
26 / 50
Partial molar free energy of an element A in solution is same as its___________?
27 / 50
Internal energy change of a system over one complete cycle in a cyclic process is___________?
28 / 50
Joule-Thomson co-efficient for a perfect gas is_______?
29 / 50
Near their critical temperatures, all gases occupy volumes ______ that of the ideal gas?
30 / 50
Joule-Thomson co-efficient is defined as___________?
31 / 50
No work is done by the system, when a reaction occurs at constant___________?
32 / 50
Kopp?s rule is used to calculate the heat capacity of_____?
33 / 50
Melting of wax is accompanied with _______ in entropy?
34 / 50
Pick out the Clausius-Clapeyron equation from the following?
35 / 50
36 / 50
Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a ___________?
37 / 50
Number of phases in a colloidal system is_______?
38 / 50
Isobaric process means a constant process ?
39 / 50
Out of the following refrigeration cycles, which one has maximum COP ?
40 / 50
Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is___________?
41 / 50
Pick out the correct equation relating ?F? and ?A?_____?
42 / 50
Internal energy is equal to the heat absorbed in case of a/an _______ process?
43 / 50
Joule-Thomson co-efficient depends on the_______?
44 / 50
Mollier chart is a ______ plot?
45 / 50
In which of the following reaction equilibrium, the value of equilibrium constant Kp will be more than is Kc ?
46 / 50
Melting of ice is an example of an ______ process?
47 / 50
Maxwell?s relation corresponding to the identity, dH = dS = Vdp + ??i dni is_______?
48 / 50
Linde gas liquefaction process employs cooling ______?
49 / 50
Measurement of thermodynamic property of temperature is facilitated by _____ law of thermodynamics?
50 / 50
Joule-Thomson effect i.e., a throttling process is a constant ______ process?
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