The molar heat capacities at constant pressure (assumed constant with respect to temperature ) of A,B and C are in ratio 3:1.5:2.0. the enthyalpy change for the exothermic reaction `A+ 2B to 3c ` at 300k and 310 K is `Delta H_(300)` and `DeltaH_(310)` respectively then:
A
`DeltaH_(300)gtDeltaH_(310)`
B
`DeltaH_(300)ltDeltaH_(310)`
C
`DeltaH_(300)=DeltaH_(310)`
D
if `T_(2)gtT_(1)" then "DeltaH_(310)gtDeltaH_(300)" and if "T_(2)ltT_(1)" then "DeltaH_(310)ltDeltaH_(300)`
The molar heat capacity of a certain substance varies with temperature according to the given equation C = 27.2 + (4xx10^(-3))T . The heat necessary to change the temperature of 2 mol of the substance from 300 K to 700 K is
The rate constants of a reaction at 300K and 280 K respectively are K_(1) and K_(2) . Then
Molar heat capacity (C_(p)) of water of constant pressure is 75JK^(-1) mol^(-4) . The increase in temperature (in K) of 100g of water when I kJ of heat is supplied to it is
The Molar heat capacities of nitrogen at constant pressure and constant volume are 29.11kJ/k mole K and 20.81 kJ/kmole K, respectively. When 5 gram of nitrogen is heated from 290 to 310 K (i) the decrease in its internal energy and (ii) the external work done are, (Molecular weight of nitrogen = 28)
The molar heat capacity of water at constant pressure, C, is 75 JK^(-1) mol^(-1) . When 1.0KJ of heat is supplied to 100g of water which is free to expand, the increase in temperature of water is :
An ideal gas has molar specific heat 5R/2 at constant pressure. If 300 J of heat is given to two moles of gas at constant pressure, the change in temperature is:
The specific heat capacities of an ideal gas at the constant pressure and at constant volume are 620 Jkg^(-1) K^(-1) and 420 Jkg^(-1) K^(-1) respectively. The density of the gas at STP is approximately,
For the hypothetical reactions, the equilibrium constant (K) values are given A harr B, K_1=2.0 B harr C, K_2=4.0 C harr D, K_3=3.0 The equilibrium constant for the reaction A harr D is
The specific heat capacities of three liquids A, B and C are in the ratio, 1 : 2 : 3 and the masses of the liquids are in the ratio 1 : 1 : 1. The temperatures of the liquids A, B and C are 15" "^(@)C, 30" "^(@)C " and 45 "^(@)C , respectively. Then matched the resultant temperature of the mixture given in list-II with the corresponding mixture given in list-I.
NARENDRA AWASTHI-THERMODYNAMICS-Level 3 - Match The Column
