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Calculate $\Delta G^{\circ}$ and $K_{P}$ for the following processes at $25^{\circ} \mathrm{C}:$(a) $\mathrm{H}_{2}(g)+\mathrm{Br}_{2}(l) \rightleftharpoons 2 \mathrm{HBr}(g)$(b) $\frac{1}{2} \mathrm{H}_{2}(g)+\frac{1}{2} \mathrm{Br}_{2}(l) \rightleftharpoons \mathrm{HBr}(g)$Account for the differences in $\Delta G^{\circ}$ and $K_{P}$ obtained for (a) and (b).

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a. $$4 \times 10^{18}$$b. $$2 \times 10^{9}$$

Chemistry 102

Chapter 17

Entropy, Free Energy, and Equilibrium

Thermodynamics

University of Central Florida

Drexel University

Brown University

Lectures

00:42

In thermodynamics, the zeroth law of thermodynamics states that if two systems are in thermal equilibrium with a third system, they are also in thermal equilibrium with each other.

01:47

A spontaneous process is one in which the total entropy of the universe increases. In a spontaneous process, the system will move from an ordered state to a disordered state, such as from ice to water, or from a solid to a gas. The concept of spontaneity was introduced by Rudolf Clausius in 1850.

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solution for the above question here. For part, a Delta Gee note is equal to two Delta gee, note it be our hydrogen from I minus Delta she not at into is two minus Delta. Gee, note into B R two. Uh huh. By putting values, we have two into minus 53.2 minus one multiply zero minus one Multiply zero Keitel. Permal is equal to minus 106 0.4 Kill Joel per mall interior K p is equal to e exponents. Delta Psi note. Divided by rt Physical to be 106.4 multiplied tenders to the power tree divided by well, 314 multiply too. 298 is equal to e exponents. 20 and 42.9 is equal to four multiplied tenders to the power 18 until for part B. Delta Gee note is equal to Delta Gee, if not in tow. HBR minus one out of two Delta G. If not into H two minus one after two Delta G. If not the earth to is equal to one in two minus 53 0.2 minus one upon to multiply zero minus one upon to multiply Zero is equal to minus 53.2 killed. Ritual Permal. Okay, K P is equal to E Delta. Gee note party physical to E 5.3 to multiply 10 Raised to the power tree divided by 8.314 multiply 298 Physical to me 0.5 que prying p is equal toe to multiply it and rest with the power nine. Okay. Here. Both Gay p and Delta. Did she not depend online? Off components? Yeah. What?

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