51. In case of the irreversible unimolecular type, first order reaction, the fractional conversion at any time for constant volume system as compared to variable volume system is
52. The concentration of A in a first order reaction, A → B, decreases
53. A second order reaction of the form A + B → C is called a pseudo-first order reaction, when
54. Pick out the correct statement.
55. Arrhenious equation represents graphically the variation between the __________ and temperature.
56. Helium-mercury method is used for the measurement of the __________ of the catalyst.
57. Sum of the powers of the concentration terms in the rate equation is called the __________ of the reaction.
58. The value of 'n' for a chemical reaction A → B, whose reaction rate is → CAn, will be __________ if the rate of the reaction increases by a factor of 8, when the concentration of is doubled.
59. The reaction A → B is conducted in an adiabatic plug flow reactor (PFR). Pure A at a concentration of 2 kmol/m3 is fed to the reactor at the rate of 0.01 m3/s and at a temperature of 500 K. If the exit conversion is 20%, then the exit temperature (in k) is (Data: Heat of reaction at 298 K = -50000 kJ/kmole of A reacted Heat capacities CPA = CPB = 100 kJ/kmole. K (may be assumed to be independent of temperature))
60. Variables affecting the rate of homogeneous reactions are
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