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Recent questions tagged thermodynamic
+3
votes
1
answer
Thermodynamics is not concerned about______.
asked
Apr 6, 2019
in
JEE
by
kratos
cbse
thermodynamic
class-11
jee
thermodynamics
jee mains
heat and thermodynamics
+1
vote
1
answer
f : A→B will be an onto function of-
asked
Apr 6, 2019
in
JEE
by
kratos
cbse
electrostatic potential and capacitance
thermodynamic
class-11
jee
jee mains 2019
relations and functions
jee mains
class-12
+3
votes
1
answer
For the following reaction at 298 K 2A + B → C ΔH = 400 kJ mol^-1 and ΔS = 0.2 kJ K^-1 mol^-1.
asked
Apr 5, 2019
in
Chemistry
by
kratos
neet
cbse
thermodynamic
class-11
physical chemistry
thermodynamics
class-12
+3
votes
1
answer
The bond-dissociation energies of gaseous H2.Cl2 and HCI are 104, 58 and 103 kcal/mol respectively.
asked
Apr 5, 2019
in
Class 12
by
kratos
neet
thermodynamic
class-11
jee
aiims
chemical thermodynamics
jee mains
heat
+2
votes
1
answer
If for the reaction PbO2 → PbO, ΔG° < 0 And for the reaction SnO2 → SnO, ΔG° > 0
asked
Apr 4, 2019
in
Class 12
by
kratos
neet
thermodynamic
coordination compounds
jee
nsec
transition elements
jee mains
p - block element
+1
vote
1
answer
If enthalpy of atomisation for Br2(1) is x kJ/mol and bond enthalpy for Br2 is y kJ/mol,
asked
Apr 3, 2019
in
Class 12
by
kratos
neet
cbse
thermodynamic
jee main 2020
class-11
+1
vote
1
answer
An electric heater supplies heat to a system at a rate of 100 W. If system performs work at a rate of 75 Joules per second.
asked
Apr 2, 2019
in
Class 11
by
kratos
thermodynamic
class-11
thermodynamics
heat and thermodynamics
11
+3
votes
1
answer
Match the following. A) Teargas 1) [C2 H 4Cl ]2 *
asked
Apr 2, 2019
in
Class 12
by
kratos
cbse
p-block elements
thermodynamic
class-11
class-12
+2
votes
1
answer
A carnot engine having an efficiency of 1/10 is being used as a refrigerator. If the work done on the refrigerator is 10 J
asked
Apr 1, 2019
in
JEE
by
kratos
jee main 2020
thermodynamic
class-11
jee
jee mains
heat and thermodynamics
+3
votes
1
answer
The specific heat capacity of a metal at low temperature (T) is given as Cp (kJ K^-1kg^-1) = 32(T/400)^3.
asked
Mar 31, 2019
in
Class 12
by
kratos
thermodynamic
neet
class-11
cbse
+3
votes
1
answer
The coefficient of performance of a refrigerator is 5.
asked
Mar 31, 2019
in
Class 12
by
kratos
class-11
thermodynamic
neet
kinetic theory
+3
votes
1
answer
Calculate the RMS velocity of methane molecules at 298 K. R = 8.3 14 J K^-1mol^-1. Molecular weight of methane =16 × 10^-3 kg.
asked
Mar 31, 2019
in
JEE
by
kratos
thermodynamic
jee
jee mains
energetics
states of matter
+1
vote
1
answer
The heat produced by 100W heater in 2 minutes is equal to (a) 10.5kJ (b) 16.3kJ (c) 12.0kJ (d) 14.2kJ
asked
Mar 31, 2019
in
JEE
by
kratos
thermodynamic
class-11
thermodynamics
jee mains 2019
11
+3
votes
1
answer
18.0 g of water completely vapourises at 100°C and 1 bar pressure and the enthalpy change in the process is 40.79 kJ mol^–1.
asked
Mar 30, 2019
in
Class 12
by
kratos
class-11
thermodynamic
neet
cbse
+3
votes
1
answer
Enthalpy of combustion of carbon to CO2 is –393.5 kJ mol–1 . Calculate the heat released upon formation of 35.2 g of CO2 from carbon and dioxygen gas.
asked
Mar 30, 2019
in
Class 12
by
kratos
neet
cbse
thermodynamic
class-11
jee
jee mains
+2
votes
1
answer
Standard entropy of X2 , Y2 and XY3 are 60, 40 and 50 JK^–1 mol^–1, respectively.
asked
Mar 29, 2019
in
Class 12
by
kratos
neet
thermodynamic
jee
chemical thermodynamics
jee mains
energetics
+3
votes
1
answer
The bond dissociation energy of gaseous H2 , Cl2 and HCl are 104, 58 and 103 kcal mol^–1 respectively. The enthalpy of formation for HCl gas will be
asked
Mar 28, 2019
in
Class 12
by
kratos
neet
thermodynamic
class-11
aiims
jee
chemical thermodynamics
jee mains
heat
+1
vote
1
answer
When 1 g liquid naphthalene (C10H8) solidifies.149 joules of heat is evolved. Calculate the enthalpy of fusion of naphthalene.
asked
Mar 27, 2019
in
JEE
by
kratos
cbse
thermodynamic
jee
chemical thermodynamics
jee mains
+2
votes
1
answer
Consider one mole of perfect gas in a cylinder of unit cross section with a piston attached (Fig. 12.12).
asked
Mar 27, 2019
in
JEE
by
kratos
thermodynamic
class-11
jee
jee mains
+1
vote
1
answer
Explain how is enthalpy related to spontaneity of a reaction?
asked
Mar 26, 2019
in
Class 11
by
kratos
thermodynamic
thermodynamics
class-11
cbse
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