Answer to Question #65763 in Physical Chemistry for muhd

Question

Question 17 : Which of the following is not a state function?
free energy
entropy
work
enthalpy
Question 18 : 1. 43.4 kcal of heat is required to decompose 2 mole of mercury(II) oxide according to the equation
2
H
g
O
(
s
)
→
2
H
g
(
l
)
+
O
2
(
g
)
2HgO(s)→2Hg(l)+O2(g)
. What quantity of energy is required to decompose 10.8 g of HgO? (Hg = 200.59, O = 16)
2.17 kcal
1.09 kcal
468.72 kJ
0.545 kJ
Question 19 : Which of these followings would lead to an increase in the internal energy of a system?
Work done on the system
Loss of heat from the system
Work done by the system
Adiabatic expansion of the system
Question 20 : A process in which no heat is allowed to enter or leave a system is termed –
Isochoric
isobaric
Isothermal
Adiabatic

Answer 1

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