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Reversible and Irreversi..



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Q1. Which of the following is irreversible?

(a) stirring work
(b) friction work in moving devices
(c) current flowing through a wire
(d) all of the mentioned

Q2. The friction present in moving devices makes a process reversible.

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

Q3. The continual motion of a movable device in the complete absence of friction is known as

(a) PMM2
(b) PMM3
(c) PMM1
(d) PMM0

Q4. Which of the following can be a cause of irreversibility?

(a) friction, viscosity
(b) inelasticity
(c) electrical resistance, magnetic hysteresis
(d) all of the mentioned

Q5. Free expansion is irreversible.

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

Q6. All actual heat transfer processes are

(a) irreversible
(b) take place through a finite temperature difference
(c) both of the mentioned
(d) none of the mentioned

Q7. A heat transfer process approaches reversibility as the temperature difference between two bodies approaches

(a) infinity
(b) zero
(c) -1
(d) 1

Q8. Irreversibility of a process may be due to

(a) lack of equilibrium during the process
(b) involvement of dissipative effects
(c) both of the mentioned
(d) none of the mentioned

Q9. A reversible process coincides with a quasi-static process.

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

Q10. A reversible process is performed in such a way that

(a) at the conclusion of process, both system and surroundings can be restored to their initial states without producing any change
(b) it should not leave any trace to show that the process had ever occurred
(c) it is carried out infinitely slowly
(d) all of the mentioned


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An Example For A Strong Electrolyte Is

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241 Year Ago

An Example For A Strong Electrolyte Is

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The Degree Of Dissociation Of 0.1 M HCN Solution Is 0.01%. Its Ionisation Constant Would Be

Modified 242 Year Ago

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242 Year Ago

The Degree Of Dissociation Of 0.1 M HCN Solution Is 0.01%. Its Ionisation Constant Would Be

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574 views

In Which Of The Following Dissociation Of NH4OH Will Be Minimum

Modified 242 Year Ago

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242 Year Ago

In Which Of The Following Dissociation Of NH4OH Will Be Minimum

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545 views

The Values Of Dissociation Constants Of Same Acid (at 25° C) Are As Follows. Indicate Which Is The Strongest Acid In Water

Modified 242 Year Ago

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242 Year Ago

The Values Of Dissociation Constants Of Same Acid (at 25° C) Are As Follows. Indicate Which Is The Strongest Acid In Water

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A Weak Monobasic Acid Is 1% Ionized In 0.1 M Solution At 25°C. The Percentage Of Ionization In Its 0.025 M Solution Is

Modified 242 Year Ago

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242 Year Ago

A Weak Monobasic Acid Is 1% Ionized In 0.1 M Solution At 25°C. The Percentage Of Ionization In Its 0.025 M Solution Is

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A 0.010 M Solution Of Maleic Acid, Amonoprotic Organic Acid, Is 14% Ionized. What Is Ka For Maleic Acid

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242 Year Ago

A 0.010 M Solution Of Maleic Acid, Amonoprotic Organic Acid, Is 14% Ionized. What Is Ka For Maleic Acid

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491 views

The PH Of A 0.1 Molar Solution Of The Acid HQ Is 3. The Value Of The Ionization Constant, Ka Of The Acid Is

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242 Year Ago

The PH Of A 0.1 Molar Solution Of The Acid HQ Is 3. The Value Of The Ionization Constant, Ka Of The Acid Is

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