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Shalnov [3]
3 years ago
7

Water's ________ specific heat makes it heat up and cool down slowly; this stability has helped water support life.

Chemistry
2 answers:
Valentin [98]3 years ago
8 0

Answer:

high

Explanation:

ser-zykov [4K]3 years ago
8 0

Answer:(A)

Explanation:

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For the reaction A(g) + 2B(g) ↔ 2C(g) ΔGo = −34.4 kJ. What is the value of ΔG in kJ at 25oC when the pressure of A is 1.3 atm, p
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<u>Answer:</u> The \Delta G for the reaction is -32.130 kJ

<u>Explanation:</u>

For the given chemical reaction:

A(g)+2B(g)\rightleftharpoons 2C(g)

The expression of K_p for the given reaction:

K_p=\frac{(p_{C})^2}{(p_{A})\times (p_{B})^2}

We are given:

p_{A}=1.3atm\\p_{B}=1.5atm\\p_{C}=2.7atm

Putting values in above equation, we get:

K_p=\frac{(2.7)^2}{1.3\times (1.50)^2}\\\\K_p=2.5

To calculate the Gibbs free energy of the reaction, we use the equation:

\Delta G=\Delta G^o+RT\ln K_p

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\Delta G^o = Standard Gibbs' free energy change of the reaction = -34.4 kJ = -34400 J     (Conversion factor: 1 kJ = 1000 J)

R = Gas constant = 8.314J/K mol

T = Temperature = 25^oC=[25+273]K=298K

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Putting values in above equation, we get:

\Delta G=-34400J+(8.314J/K.mol\times 298K\times \ln(2.5)\\\\\Delta G=-32129.82J=-32.130kJ

Hence, the \Delta G for the reaction is -32.130 kJ

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