Thermodynamics Test

Result

Thermodynamics Test - 14

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

One mole of which of the following has the highest entropy?

A
Liquid nitrogen

B
Hydrogen gas

C
Mercury

D
Diamond
Question 2
4 / -1

Gibb's free energy G, enthalpy H and entropy S are interrelated as in

A
G = H + TS

B
G = H - TS

C
G - TS = H

D
G = S = H
Question 3
4 / -1

When a solid melts reversibly

A
H decreases

B
G increases

C
E decreases

D
S increases
Question 4
4 / -1

Condition for spontaneity in an isothermal process is

A
∆A + W < 0

B
∆G + U < 0

C
∆A + U < 0

D
∆G - U < 0
Question 5
4 / -1

In equilibrium state the value of ∆G is

A
zero

B
negative

C
positive

D
may be negative or positive
Question 6
4 / -1

Entropy of the universe is

A
constant

B
zero

C
continuously decreasing

D
continuously increasing
Question 7
4 / -1

If ∆G = 46.06 kcal / mol, K_p at 300 K is

A
10 ^-33.33

B
10 ^-23.03

C
10 ^-50.12

D
10 ^+33.33
Question 8
4 / -1

For a reversible reaction, ∆_system + ∆S_surrounding is

A
∞

B
zero

C
1

D
2
Question 9
4 / -1

Which is a condition for spontaneous ?

A
∆G < 0

B
∆G = 0

C
∆G > 0

D
∆G ≥ 0
Question 10
4 / -1

In evaporation of water ∆H and ∆S are

A
+ , +

B
+, -

C
- , -

D
- , +

User

Question Analysis

Correct -
Wrong -
Skipped -

My Perfomance

Score
-
out of -
Rank
-
out of -

Re-Attempt Weekly Quiz Competition

Thermodynamics Test - 14

Result

Thermodynamics Test - 14

Score

-

Rank

-

SHARING IS CARING

Question 1

Liquid nitrogen

Hydrogen gas

Mercury

Diamond

Question 2

G = H + TS

G = H - TS

G - TS = H

G = S = H

Question 3

H decreases

G increases

E decreases

S increases

Question 4

∆A + W < 0

∆G + U < 0

∆A + U < 0

∆G - U < 0

Question 5

zero

negative

positive

may be negative or positive

Question 6

constant

zero

continuously decreasing

continuously increasing

Question 7

10 -33.33

10 -23.03

10 -50.12

10 +33.33

Question 8

∞

zero

1

2

Question 9

∆G < 0

∆G = 0

∆G > 0

∆G ≥ 0

Question 10

+ , +

+, -

- , -

- , +

User

Question Analysis

My Perfomance

Score

-

Rank

-

Results Announcement on: coming Monday

Stay Tuned: We’ll update you on your result via email or SMS.

10 ^-33.33

10 ^-23.03

10 ^-50.12

10 ^+33.33