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All natural processes are spontaneous and

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Important Questions on Thermodynamics

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IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 6 - Thermodynamics>Chapter Practice>Q 1
For a spontaneous reaction, ∆G must be _____ then zero.
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ALL IN ONE ISC Chemistry CLASS 11>Chapter 6 - Thermodynamics>Chapter Practice>Q 1
Maximum work is done in_____ process.
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ALL IN ONE ISC Chemistry CLASS 11>Chapter 6 - Thermodynamics>Chapter Practice>Q 2
In the given equation, 4Fe(s)+ 3O2(g) → 2Fe2O3(s) The entropy change is -549.4 J K-1 mol-1at 298 K. (∆rHº=-1648×103 J mol-1). The above reaction is
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11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 6 - Thermodynamics>Chapter Practice>Q 2
Select the incorrect expression from the following.
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11th ICSE
IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 6 - Thermodynamics>Chapter Practice>Q 2
The sign of ∆G for a spontaneous and non-spontaneous process respectively are
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IMPORTANT
ALL IN ONE ISC Chemistry CLASS 11>Chapter 6 - Thermodynamics>Chapter Practice>Q 2
In which of the following reactions, standard reaction entropy change (∆S°) is positive and standard Gibbs energy change (∆G°) decreases sharply with increasing temperature?
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ALL IN ONE ISC Chemistry CLASS 11>Chapter 6 - Thermodynamics>Chapter Practice>Q 4
One kilogram of graphite is burnt in a closed vessel. The same amount of graphite is burnt in an open vessel. Will the heat evolved in two cases be same or different.
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ALL IN ONE ISC Chemistry CLASS 11>Chapter 6 - Thermodynamics>Chapter Practice>Q 5
Do you expect ∆S to be +ve, -ve or zero for the reaction H2(g) +I2(g) ⇌ 2HI(g).