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Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.
A
3
B
> 3
Correct Answer:
> 3
Two feeds, 10 mole with 5 J/mole and 20 mole with 15 J/mole, product contains two streams, 5 mole with 10 J/mole and P with 25 J/mole, what is the value of P?
A
10 mole
B
12 mole
C
15 mole
Two feeds, 5 mole with 25 J/mole and F with 5 J/mole, product contains two streams, 5 mole with 10 J/mole and 10 mole with 15 J/mole, what is the value of F?
A
10 mole
B
15 mole
C
20 mole
What is the heat transferred from 5 mole of the system if the output sensible heat is 1 J/mole, input sensible heat is 3 J/mole, and heat of solution is 4 J/mole?
A
0
B
5 J
C
10 J
What is the heat transferred from 2 mole of the system if the output sensible heat is 3 J/mole, input sensible heat is 2 J/mole, and heat of solution is 2 J/mole?
A
2 J
B
3 J
C
5 J
Three feeds, 10 mole with H = 5 J/mole, 10 mole with H = 15 J/mole and 5 mole with 20 J/mole, what is the enthalpy of the products?
A
10 J/mole
B
12 J/mole
C
15 J/mole
Three feeds, 10 mole with H = 25 J/mole, 5 mole with H = 10 J/mole and 15 mole with 20 J/mole, what is the enthalpy of the products?
A
10 J/mole
B
12 J/mole
C
20 J/mole
Three feeds, 10 mole with H = 15 J/mole, 20 mole with H = 5 J/mole and F1 with 20 J/mole, if enthalpy of the products is H = 15 J/mole, what is the value of F1?
A
10 mole
B
20 mole
C
30 mole
One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH
4
+ 2O
2
→ CO
2
+ 2H
2
O. Both the reactants and products are in gas phase. ΔH°
298
= -730 kJ/mole of methane. If the average specific heat of all the gases/vapour is 40 J/mole.K, the maximum temperature rise of the exhaust gases in °C would be approximately equal to
A
1225
B
1335
C
1525
D
1735
The heat supplied to the gas at constant volume is (where m = Mass of gas, C
v
= Specific heat at constant volume, C
p
= Specific heat at constant pressure, T
2
- T
1
= Rise in temperature and R = Gas constant)
A
mR (T<sub>2</sub> - T<sub>1</sub>)
B
mC<sub>v</sub> (T<sub>2</sub> - T<sub>1</sub>)
C
mC<sub>p</sub> (T<sub>2</sub> - T<sub>1</sub>)
D
None of the above
A mixture contains 20% of A with Heat Capacity 25 J/oC, 30% of B with Heat Capacity 20 J/oC, and 50% of C with Heat Capacity 10 J/oC, what is the Heat Capacity of mixture?
A
10 J/oC
B
14 J/oC
C
16 J/oC