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zheka24 [161]
3 years ago
8

Please help me

Chemistry
1 answer:
Dmitriy789 [7]3 years ago
7 0

Answer:

divergent

Explanation:

I believe it is divergent.

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What is the volume of a balloon containing 0.75 moles of gas at STP?
disa [49]

Answer:

V = 16.81 L

Explanation:

Given data:

Number of moles = 0.75 mol

Temperature = standard = 273 K

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Solution:

The given problem will be solve by using general gas equation,

PV = nRT

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Calculate the standard cell potential (E∘) for the reaction X(s)+Y+(aq)→X+(aq)+Y(s) if K = 8.97×10−3. Express your answer to thr
puteri [66]

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Explanation:

The reaction is:

X(s)+Y^+(aq)\rightarrow X^+(aq)+Y(s)

Relation between standard Gibbs free energy and equilibrium constant follows:

\Delta G^o=-RT\ln K

where,

\Delta G^o = Standard Gibbs free energy = ?

R = Gas constant = 8.314J/K mol

T = temperature = 298 K

K= equilibrium constant = 8.97\times 10^{-3}

Putting values in above equation, we get:

\Delta G^0=-(8.314J/Kmol\times 298K\times \ln (8.97\times 10^{-3})\\\\\Delta G^0=11678.9J/mol

To calculate standard Gibbs free energy, we use the equation:

\Delta G^o=-nFE^o_{cell}

Where,

n = number of electrons transferred = 1

F = Faradays constant = 96500 C

E^o_{cell} = standard cell potential = ?

Putting values in above equation, we get:

11678.9J/mol=-1\times 96500\times E^0_{cell}

\frac{11678.9J/mol}{-96500}=E^0_{cell}

-0.121V=E^0_{cell}

Thus standard cell potential (E∘) for the reaction X(s)+Y^+(aq)\rightarrow X^+(aq)+Y(s)  is -0.121 V

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it

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