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Spontaneous and Non-spon..



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Q1. All spontaneous processes terminate at the dead state.

(a) true
(b) false
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q2. When the system is in equilibrium with the surroundings, it must be in

(a) pressure equilibrium
(b) temperature equilibrium
(c) chemical equilibrium
(d) all of the mentioned

Q3. When a system changes its state towards that of surroundings, the opportunity to produce more work

(a) increases
(b) decreases
(c) remains constant
(d) none of the mentioned

Q4. When a system exchanges heat with a thermal energy reservoir at temperature Tr in addition to the atmosphere, the maximum useful work increases by

(a) dQ(1+Tr/To)
(b) dQ(1-Tr/To)
(c) dQ(1+To/Tr)
(d) dQ(1-To/Tr)

Q5. When the system is in equilibrium with the surroundings, this state of the system is known as dead state.

(a) true
(b) false
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q6. When a system exchanges heat with a thermal energy reservoir in addition to the atmosphere, the maximum useful work

(a) increases
(b) decreases
(c) remains constant
(d) none of the mentioned

Q7. Availability function for a closed system is given by

(a) U-pV+TS
(b) U+pV+TS
(c) U-pV-TS
(d) U+pV-TS

Q8. Which of the following is true?

(a) in a steady flow system, no work is done on the atmosphere
(b) in case of unsteady flow system, the volume of the system changes
(c) both of the mentioned
(d) none of the mentioned

Q9. In a steady flow system, which of the following does not change?

(a) mass
(b) volume
(c) both of the mentioned
(d) none of the mentioned

Q10. Useful work is given by

(a) actual work + p(V2-V1)
(b) actual work ? p(V2-V1)
(c) actual work + p(V2+V1)
(d) none of the mentioned


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Bhavna
237 Year Ago

A Well Stoppered Thermos Flask Contains Some Ice Cubes. This Is An Example Of A

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Three Moles Of An Ideal Gas Expanded Spontaneously Into Vacuum. The Work Done Will Be

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354 views

In Order To Decompose 9 G Water 142.5 KJ Heat Is Required. Hence, The Enthalpy Of Formation Of Water Is

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5 Year Ago

In Order To Decompose 9 G Water 142.5 KJ Heat Is Required. Hence, The Enthalpy Of Formation Of Water Is

0 votes
0 Answer
351 views

Changes In A System From An Initial State To The Final State Were Made By A Different Manner That ΔH Remains Same But Q Changes Because

Modified 237 Year Ago

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237 Year Ago

Changes In A System From An Initial State To The Final State Were Made By A Different Manner That ΔH Remains Same But Q Changes Because

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0 Answer
347 views

If W Is The Amount Of Work Done By The System And Q Is The Amount Of Heat Supplied To The System. Identify The Type Of The System

Modified 237 Year Ago

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237 Year Ago

If W Is The Amount Of Work Done By The System And Q Is The Amount Of Heat Supplied To The System. Identify The Type Of The System

0 votes
0 Answer
334 views

The Entropy Change Involved In The Isothermal Reversible

Modified 314 Year Ago

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314 Year Ago

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0 Answer
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Calculate The Amount Of Heat Evolved When 500 Cm^3 Of 0.1 M HCl Is Mixed With 200 Cm^3 Of 0.2 M NaOH.

Modified 5 Year Ago Bhuv

304
Bhuv
5 Year Ago

Calculate The Amount Of Heat Evolved When 500 Cm^3 Of 0.1 M HCl Is Mixed With 200 Cm^3 Of 0.2 M NaOH.

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