-8203-PREDICT WHETHER ALL CHEMICHAL REACTIONS ACCOMPANYING INCREASE IN ENTROPY ARE nbsp-SPONTANEOUS OR NON SPONTANEOUS -EXPLAIN

Increase in entropy means change in entropy is positive. #8710;S #160;= #160;S2 S1 #160; #160; #160; #160; #160;= #160;+ #160;VeIf #160; ...

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Standard XII

Biology

Introduction to Ecosystem Function

#8203;PREDICT...

Question

PREDICT WHETHER ALL CHEMICHAL REACTIONS ACCOMPANYING INCREASE IN ENTROPY ARE SPONTANEOUS OR NON SPONTANEOUS .EXPLAIN

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Solution

Increase in entropy means change in entropy is positive.
$∆ S = S_{2} - S_{1} = + V e I f ∆ S i s p o s i t i v e m e a n s t h e r e a c t i o n i s s p o n \tan e o u s . S o i f a c h e m i c a l r e a c t i o n i s a c c o m p a n i e d w i t h i n c r e a s e i n e n t r o p y, t h e p r o c e s s i s a s p o n \tan e o u s p r o c e s s . I f a c h e m i c a l p r o c e s s i n v o l v e s w i t h d e c r e a s e i n e n t r o p y, t h e p r o c e s s i s n o n s p o n \tan e o u s p r o c e s s .$

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Similar questions

Q. Predict whether the reaction

C O (g) + (\frac{1}{2}) O_{2} (g) \to C O_{2} (g)

at 300 K is spontaneous & exothermic or non-spontaneous & endothermic, when the standard entropy change is

- 0.094 k J m o l^{- 1} K^{- 1} .

The standard Gibb's free energies of formation for

C O_{2}

and

C O

are

- 394.4 a n d - 137.2 k J m o l^{- 1}

respectively.

Assertion(A): Many endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperature.

Reason(R): Entropy of the system increases with increase in temperature.

For a reaction at $25^{\circ} C$ enthalpy change $(△ H)$ and entropy change $(△ S)$ are $- 11.7 \times 103 J m o l^{- 1}$ and $- 105 J m o l^{- 1} K^{- 1}$ respectively. Find out whether this reaction is spontaneous or not?

Q. Predict whether the reaction

C O (g) + (\frac{1}{2}) O_{2} (g) \to C O_{2} (g)

at 300 K is spontaneous & exothermic or non-spontaneous & endothermic, when the standard entropy change is

- 0.094 k J m o l^{- 1} K^{- 1} .

The standard Gibb's free energies of formation for

C O_{2}

and

C O

are

- 394.4 a n d - 137.2 k J m o l^{- 1}

respectively.

Q. Assertion :Many endothermic reactions that not spontaneous at room temperature become spontaneous at high temperature. Reason: Entropy of the system increases with increase in temperature.

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​PREDICT WHETHER ALL CHEMICHAL REACTIONS ACCOMPANYING INCREASE IN ENTROPY ARE SPONTANEOUS OR NON SPONTANEOUS .EXPLAIN

PREDICT WHETHER ALL CHEMICHAL REACTIONS ACCOMPANYING INCREASE IN ENTROPY ARE SPONTANEOUS OR NON SPONTANEOUS .EXPLAIN