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Recent questions tagged entropy
+3
votes
1
answer
Helium gas goes through a cycle ABCDA (consisting of two isochoric and isobaric lines) as shown in figure.
asked
Mar 23, 2019
in
JEE
by
kratos
irodov
jee
thermodynamics
entropy
jee mains
heat and thermodynamics
kinetic theory of gases
+2
votes
1
answer
A Carnot engine having a efficiency of n = (1 / 10) as heat engine is used as a refrigerators.
asked
Mar 18, 2019
in
JEE
by
kratos
irodov
class-11
jee
thermodynamics
entropy
jee mains
+2
votes
1
answer
What is clausius clapeyron equation and derive it
asked
Mar 11, 2019
in
Physics
by
kratos
clausius
class-11
jee
thermodynamics
the second law of thermodynamics
statistical physics
entropy
jee mains
+1
vote
1
answer
Can two isothermal curves intersect each other?
asked
Mar 11, 2019
in
JEE
by
kratos
irodov
class-11
jee
gas laws
thermodynamics
entropy
jee mains
kinetic theory of gases
+3
votes
1
answer
Why is entropy of substance taken as zero at absolute zero of temperature?
asked
Mar 2, 2019
in
JEE
by
kratos
irodov
class-11
jee
chemical thermodynamics
thermodynamics
entropy
kcet
jee mains
+2
votes
1
answer
Two ***** of a certain ideal gas at a temperature To = 300 K were cooled isochorically so that the gas pressure reduced n = 2.0 times.
asked
Mar 2, 2019
in
JEE
by
kratos
irodov
jee
thermodynamics
heat capacity
entropy
jee mains
+3
votes
1
answer
What is the network done by an ideal gas in an Isochoric process?
asked
Feb 23, 2019
in
JEE
by
kratos
irodov
jee
thermodynamics
entropy
heat capacity
jee mains
+1
vote
1
answer
Does the statement of Clausius require a constant T for the heat transfer as in a Carnot cycle?
asked
Feb 16, 2019
in
Class 11
by
kratos
clausius
class-11
carnot cycles
thermodynamics
entropy
+3
votes
1
answer
Ques attached
asked
Feb 3, 2019
in
Class 12
by
kratos
thermodynamics
class-12
entropy
transient process
+2
votes
1
answer
Consider the steam power plant and show that this cycle satisfies the inequality of Clausius.
asked
Jan 25, 2019
in
JEE
by
kratos
clausius
irodov
jee
thermodynamics
entropy
jee mains
+3
votes
1
answer
Electric potential based question
asked
Jan 23, 2019
in
Class 12
by
kratos
neet
plz anser me fast
aldehydes ketones and carboxylic acids
entropy
gauss law applications
jee advanced
class-12
wave optics
polarisation
+1
vote
1
answer
An ideal gas whose adiabatic exponent equals y goes through a cycle consisting of two isochoric and two isobaric lines.
asked
Jan 22, 2019
in
JEE
by
kratos
irodov
jee
thermodynamics
entropy
jee mains
+1
vote
1
answer
Which is not true of an isochoric process on an enclosed ideal gas in which the pressure decreases?
asked
Jan 2, 2019
in
JEE
by
kratos
irodov
class-11
jee
entropy
thermodynamics
heat capacity
jee mains
+3
votes
1
answer
5.6 liter of helium gas at STP is adiabatically compressed to 0.7 liter. Taking the initial temperature to be T1 ,
asked
Dec 31, 2018
in
Class 12
by
kratos
irodov
neet
jee
thermodynamics
entropy
jee mains
kinetic theory of gases
+1
vote
1
answer
The entropy of v = 4.0 ***** of an ideal gas increases by ΔS = 23 J/K due to the isothermal expansion.
asked
Dec 30, 2018
in
JEE
by
kratos
irodov
jee
thermodynamics
entropy
jee mains
+1
vote
1
answer
Work as F ∆x has units of lbf-ft, what is that in Btu?
asked
Dec 28, 2018
in
Mathematics
by
kratos
clausius
energy equation
bernoulli
thermodynamics
entropy
reversible shaft work
+2
votes
1
answer
A substance is at 300 lbf/in.2, 65 F in a rigid tank. Using only the critical properties can the phase of the mass
asked
Dec 27, 2018
in
Mathematics
by
kratos
clausius
transient processes
phase diagrams
entropy of ideal gases
thermodynamics
entropy
critical points
+2
votes
1
answer
How does entropy change (ΔS) for adsorption?
asked
Dec 19, 2018
in
Chemistry
by
kratos
irodov
neet
cbse
thermodynamic
class-11
surface chemistry
physical chemistry
jee
thermodynamics
entropy
jee mains
class-12
+3
votes
1
answer
Helium of mass m =1.7 g is expanded adiabatically n = 3.0 times and then compressed isobarically down to the initial
asked
Dec 18, 2018
in
JEE
by
kratos
irodov
jee
thermodynamics
entropy
jee mains
+2
votes
1
answer
Find the entropy increment of one mole of carbon dioxide when its absolute temperature increases n = 2.0 times if
asked
Dec 14, 2018
in
JEE
by
kratos
irodov
jee
thermodynamics
entropy
jee mains
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