Calculate K at
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Chemistry
- Calculate K at 25°C for each of the reactions referred to in Question 32. Assume smallest whole-number coefficients.arrow_forwardCalculate K for the reaction SnO2(s) + 2 CO(g) Sn(s) + 2 CO2(g) given the following information: SnO2(s)+2H2(g)Sn(s)+2H2O(g)K=8.12H2(g)+CO2(g)H2O(g)+CO(g)K=0.771arrow_forwardCalculate the equilibrium constant at 25 C for each of the following reactions from the value G given. (a) I2(s)+Cl2(l)2ICl(g)G=10.88kJ (b) H2(g)+I2(s)2HI(g)G=3.4kJ (c) CS2(g)+3Cl2(g)CCl4(g)+S2Cl2(g)G=39kJ (d) 2SO2(g)+O2(g)2SO3(g)G=141.82kJ (e) CS2(g)CS2(l)G=1.88kJarrow_forward
- Calculate G for the following reactions and state whether each reaction is spontaneous under standard conditions at 298 K. (a) 2Na(s) + H2SO4() Na2SO4(s) + H2(g) (b) Cu(s) + H2SO4() CuSO4(s) + H2(g)arrow_forwardWithout doing any calculations, predict the sign of rS for the following reaction: Zn(s) + 2 HCl(aq) ZnCl2(aq) + H2(g) (a) rS 0 (b) rS = 0 (c) rS 0arrow_forwardUse the data in Appendix L to determine the equilibrium constant for the following reactions. Assume 298.15 K if no temperature is given. (a) AgCl(s)Ag+(aq)+Cl(aq) (b) CdS(s)Cd2+(aq)+S2(aq) t 377 k (c) Hg2+(aq)+4Br(aq)[HgBr4]2(aq) (d) H2O(l)H+(aq)+OH(aq) at 25 Carrow_forward
- The standard potential, E, for the reaction of Zn(s) and Cl2(g) is +2.12 V. What is the standard free energy change, rG, for the reaction?arrow_forwardThe equilibrium constant for a reaction is 31015 (a) Without carrying out any calculation, discuss whether ?G° for the reaction is positive or negative. (b) Calculate ?G° for this reaction.arrow_forwardGiven the following data: PtCl42(aq)+2ePt(s)+4Cl(aq)Ered=0.73VPt2+(aq)+2ePt(s)Ered=1.20V Find Kffor PtCl42- at 25°C.arrow_forward
- The thermite reaction is 2Al(s) + Fe2O3(s) Al2O3(s) + 2Fe(s) (a) Calculate G for this reaction. (b) Calculate Keq for this reaction. Assume T = 298 K. You may have to do some mathematical manipulations to get your final numerical answer.arrow_forwardCalculate K at 25°C for each of the reactions referred to in Question 31.arrow_forwardCalculate the value of E for each of the following reactions. Decide whether each is product-favored at equilibrium in the direction written. (a) 2 I(aq) + Zn2+(aq) I2(s) + Zn(s) (b) Zn2+(aq) + Ni(s) Zn(s) + Ni2+(aq) (c) 2 Cl(aq) + Cu2+(aq) Cu(s) + Cl2(g) (d) Fe2+(aq) + Ag+(aq) Fe3+(aq) + Ag(s)arrow_forward
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