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# 5 - (1 Cl2(g F2(g 2 ClF(g Q1 =(2 ClF(g F2(g ClF3(g Q2 =...

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17.20 Make sure not to include solids and liquids in reaction quotient. a) 2 NaHCO3(s) ' Na2CO3(s) + CO2(g) + H2O(g) Qc = [CO2][H2O] b) SnO2(s) + 2 H2(g) ' Sn(s) + 2 H2O(g) = [CO2(g)] Only the gaseous carbon dioxide is used. The “(g)” is for emphasis. c) 2 N2O5(s) ' 4 NO2(g) + O2(g) 17.22 Write balanced chemical equations for each reaction, and then write the appropriate equilibrium expression. a) 4 HCl(g) + O2(g) ' 2 Cl2(g) + 2 H2O(g) 17.23 a) The balanced equations and corresponding reaction quotients are given below. Note the second equation must occur twice to get the appropriate overall equation.
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Unformatted text preview: (1) Cl2(g) + F2(g) ' 2 ClF(g) Q1 = (2) ClF(g) + F2(g) ' ClF3(g) Q2 = Overall: Cl2(g) + 3 F2(g) ' 2 ClF3(g) Qoverall b) The second equation occurs twice, thus it could simply be multiplied by two and its reaction quotient squared. The reaction quotient for the overall reaction, Qoverall , determined from the reaction is: Qoverall 17.24 Concentration and pressure of gas are directly proportional as long as the temperature is constant: C = n/V = P/RT. 17.25 Kc and Kp are related by the equation Kc = Kp(RT)-∆n...
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