1.Calculate the effect (change) on thechemical potential for liquid carbon dioxide,which had anincrease in pressure of 1.00 bar, and whosedensity is 2.35 g.cm Temp 0 C2.Calculate the effect of an increase inpressure (i.e. percent increase) of 100 bar onthe vaporpressure of benzene (C6H6) at 5°C. Density ofbenzene is 0.879 g.cm3.

Chemical potential determine the stability of the substances and is directly proportional to the…

Answered: 1.Calculate the effect (change) on the…

1.Calculate the effect (change) on the chemical potential for liquid carbon dioxide, which had an increase in pressure of 1.00 bar, and whose density is 2.35 g.cm Temp 0 C

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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1) Calculate the effect (change) on the chemical potential for liquid carbon dioxide, which had an increase in pressure of 1.00 bar at 1.5°C, and whose mass density is 2.35 g/cm'.
If the Gibbs energy varies with temperature according to G C b := a + = + 7² a) How will enthapy and entropy vary with temperature? b) Check that these three equations (G, H, and S) are consistent
1) Calculate the effect (change) on the chemical potential for liquid carbon dioxide, which had an increase in pressure of 1.00 bar at 1.5°C, and whose mass density is 2.35 g/cm'. 2) Methanol has a mass density of 792 kg/m' at 25°C. Calculate its partial pressure when the applied pressure is increased by 15 bar. 3) The normal boiling point of carbon tetrachloride is 76.7°C. Find information about its standard enthalpy of vaporization, and use that information to calculate its vapor pressure at 30°C.
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(c) For reaction 1 taking place at 120 °C: Hg0(s) + S02(g)= Hg(1) + SO3(g) Reaction 1 AreactG® = -13.6 kJ mol-1 %3D (i) Given the standard Gibbs free energy above for reaction 1, calculate AreactG when the partial pressures for S0, and SO2 are 1 bar and 0.004, respectively. (ii) Calculate the equilibrium constant for the reaction and hence state what will be the mole fraction of SO3 in the gas phase at equilibrium. Note: In calculation assume K=÷; where the term x is the mole fraction of SO3. 1-x
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Calculate the change in Gibbs energy for each of the sets of A,H°, A;S°, and T. A;H° = – 92 kJ mol-1, ArS = – 159 JK-1 mol 1 , T = 310 K Express your answer as an integer. 圈] ? A;G = kJ mol 1 Submit Request Answer Part B A¡H° = 92 kJ mol 1, A¡S = – 159 JK ' mol 1, T = 850 K Express your answer as an integer. Πνα ΑΣφτ ? A;G = kJ mol 1 Submit Request Answer Part C A¡H° = 92 kJ mol 1, AS= 159 JK' mol 1 ,T = 310 K Express your answer as an integer. A;G = kJ mol 1
7. The solubility, C, of sucrose in water, expressed as grams of sucrose per 100 g of solvent, is given as below t/°C C/g 0 179.2 10 20 203.9 190.5 30 219.5 [ΔΗ (a) Draw an appropriate graph to determine the molar enthalpy of solution of sucrose in the temperature range 0 to 40°C. (b) 50mL of saturated solution of benzoic acid at 25°C requires 12.8 mL of 0.05 M NaOH to completely neutralize. What is the solubility of benzoic acid in g/L water at 25°C. so ln,m 40 238.1 = 4.96 kJ/mol, Cbenzoic acid = 1.56g/L]
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6. When the ideal-gas reaction A+B=C+Dhas reached equilibrium, state whether or not each of the following relations must be true. Here n¡ is the number of moles of species i in equilibrium, P, is the partial pressure of i, and µ; is the chemical potential of i. Here a simple True or False answer is sufficient. (a) nc+np=nA +ng (b) Pc+Pp=PA+PB (c) na=ng (d) nc=na (e) If only A and B are present initially, then nc=np (f) Ha + HB= Hc+ Hp no matter what the initial composition. (g) If only A and B are present initially, then in equilibrium we must have nc # 0. (h) The equilibrium constant Kp(T)= PĄPB/(PcPp). (i) The value of –RT In Kp(T) = µE(T)+µ8(T)– H3(T) –- H§(T). ) The equilibrium constant is independent of the total pressure.
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