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Physical equilibrium



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Q1. If both the forward and reverse reaction rates are equal in the equilibrium is said to be ____________

(a) dynamic equilibrium
(b) equilibrium mixture
(c) static equilibrium
(d) newton equilibrium

Q2. Which equation is used for ideal solutions at near ambient pressure?

(a) K i = ? iL / ? iV
(b) K i = ? iL ?iL/ ? iV
(c) K i = P i s /P
(d) K i =? iL P i s /P

Q3. Which equation is used for all mixtures from ambient to critical temperature?

(a) K i = ? iL / ? iV
(b) K i = ? iL ?iL/ ? iV
(c) K i = P i s /P
(d) K i =? iL P i s /P

Q4. Which equation is to be used for hydrocarbon and light gas mixture from cryogenic temperatures to critical region?

(a) K i = ? iL / ? iV
(b) K i = ? iL ?iL/ ? iV
(c) K i = P i s /P
(d) K i =? iL P i s /P

Q5. For a liquid-liquid case, what is phase equilibrium ratio?

(a) Ratio of mole fractions of species in two phases at equilibrium
(b) Ratio of distribution or partition coefficient
(c) Ratio of equilibrium constant
(d) Ratio of heat of supply

Q6. What is the phase equilibrium ratio?

(a) Ratio of heat of species in two phases at equilibrium
(b) Ratio of temperature of species in two phases at equilibrium
(c) Ratio of mole fractions of species in two phases at equilibrium
(d) Ratio of equilibrium concentration of species in two phases at equilibrium.

Q7. The formula for partial fugacity is:

(a) F i =Cexp(? i /RT)
(b) F i = Cexp(? i )
(c) F i =exp(? i )
(d) F i =C(? i /RT)

Q8. The chemical potential of a species is:

(a) Different in all phases at chemical equilibrium
(b) Same in all phases at chemical equilibrium
(c) Different in all phases at physical equilibrium
(d) Same In all phases at equilibrium

Q9. At equilibrium the total Gibb?s free energy for all phases is

(a) Minimum
(b) Maximum
(c) Infinity
(d) Zero

Q10. How is the distribution among two or more phases at equilibrium determined by?

(a) Application of entropy
(b) Application of Newton?s laws of motion
(c) Application of Gibbs free energy
(d) Application of force


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711 views

An Example For A Strong Electrolyte Is

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235 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 236 Year Ago

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236 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 236 Year Ago

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236 Year Ago

In Which Of The Following Dissociation Of NH4OH Will Be Minimum

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540 views

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

Modified 236 Year Ago

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236 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 236 Year Ago

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236 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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500 views

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

Modified 236 Year Ago

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236 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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488 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

Modified 236 Year Ago

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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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