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Tutored Practice Problem 14.4.1 COUNTS TOWARDS GRADE Use the integrated rate law to calculate reactant concentration...
please box the answers for clarity Close Problem Tutored Practice Problem 14.2.1 COUNTS TOWARDS GRANDE Calculate...
please box the answers for clarity
Close Problem Tutored Practice Problem 14.2.1 COUNTS TOWARDS GRANDE Calculate the average rate of disappearance from concentration-time data. For the gas phase decomposition of dinitrogen pentoxide at 335 K 2 N205(9)—>4 NO2(g) + O2(9) the following data have been obtained: 0.109 IN,Os1, M ts 0 6.11x10 2 3.43 1021.92x10 2 123246 369 What is the average rate of disappearance of N20, over the time period from t=0s to t=123 s? MS Close Problem Tutored...
Tutored Practice Problem 18.1.3 cOUNTS TOWARDS GRADE Use equilibrium ion concentration to calculate Ksp Close Problem...
Tutored Practice Problem 18.1.3 cOUNTS TOWARDS GRADE Use equilibrium ion concentration to calculate Ksp Close Problem The Pb2+ concentration in a saturated solution of lead chloride is measured and found to be 1.65x102 M. Use this information to calculate a K,p value for lead chloride. Ksp Check & Submit Answer Show Approach
Close Problem Tutored Practice Problem 15.3.2 COUNTS TOWARDS GRADE Use an /CE table to calculate K...
Close Problem Tutored Practice Problem 15.3.2 COUNTS TOWARDS GRADE Use an /CE table to calculate K A mixture of CO and Cl, is allowed to react at 585 K CO(g) + Cl2(g) cOC2(g) The initial concentration of the reactants are [cO] = 0.3050 M and [Cl2] = 0.3390 M. After the system reaches equilibrium, it is found that the Ch concentration has decreased to 0.0659 M. Based on these data, determine the value of the equilibrium constant, K, for this...
Tutored Practice Problem 19.3.4 COUNTS TOWARDS GRADE Calculate the equilibrium constant from the standard free energy...
Tutored Practice Problem 19.3.4 COUNTS TOWARDS GRADE Calculate the equilibrium constant from the standard free energy change. Close Pr Using standard thermodynamic data (linked), calculate the equilibrium constant at 298.15 K for the following reaction. N2(g) + O2(g) +2NO(g) K- Check & Submit Answer Show Approach
Close Problem Tutored Practice Problem 20.1.3 cOUNTS TOWARDS GRADE Balance redox reactions in acidic solution. Balance...
Close Problem Tutored Practice Problem 20.1.3 cOUNTS TOWARDS GRADE Balance redox reactions in acidic solution. Balance the reaction between HAso, and Ni to form H3 Aso, and Ni2+ in acidic solution. When you have balanced the equation using the smallest integers possible, enter the coefficients of the species shown. Enter "1" if the coefficient is "1" Water appears in the balanced equation as a (reactant, product, neither) with a coefficient of (Enter 0 for neither.) Check & Submit Answer Show...
Tutored Practice Problem 16.4.1 COUNTS TOWARDS GRADE Predict and calculate the effect of concentration changes on...
Tutored Practice Problem 16.4.1 COUNTS TOWARDS GRADE Predict and calculate the effect of concentration changes on an equilibrium system. Close Problem Some COCl2 is allowed to dissociate into CO and Cl2 at 873 K. At equilibrium, [COCI2] =0.237 M, and [CO] - [C12] = 0.128 M. Additional CO is added so that (CO)new = 0.193 M and the system is allowed to once again reach equilibrium. COC12(8) CO(g) + Cl2(g) K-6.98*10-2 at 873K (a) In which direction will the reaction...
Tutored Practice Problem 10.5.1 COUNTS TOWARDS GRADE Use Hess's law to calculate enthalpy change. Given the...
Tutored Practice Problem 10.5.1 COUNTS TOWARDS GRADE Use Hess's law to calculate enthalpy change. Given the following two reactions: (1)Ca(s) + Cl2(9—+CaCl(s) AH(1) = -795.8 kJ (2)Hg(1) + Cl2(9) HgCl2(8) AH(2) = -224.3 kJ calculate the enthalpy change for the following reaction: (3) Ca(s) + HgC12(3)— CaCl2(S) + Hg(1) AH(3)=[ Check & Submit Answer Show Approach
Close Problem Tutored Practice Problem 17.3.1 COUNTS TOWARDS GRADE Calculate pH for a strong acid/strong base...
Close Problem Tutored Practice Problem 17.3.1 COUNTS TOWARDS GRADE Calculate pH for a strong acid/strong base titration. Determine the pH during the titration of 29.5 mL of 0.237 M HCIO, by 0.237 M KOH at the following points: (a) Before the addition of any KOH (b) After the addition of 14.8 mL of KOH (c) At the equivalence point (d) After adding 38.1 mL of KOH кон Check & Submit Answer Show Approach
Close Problem Tutored Practice Problem 19.3.1 COUNTS TOWARDS GRADE Calculate standard free energy change using AH and S...
Close Problem Tutored Practice Problem 19.3.1 COUNTS TOWARDS GRADE Calculate standard free energy change using AH and So values. Consider the reaction CH4(g) + H2O(g)—_>3H2(g) + CO(g) Calculate the standard free energy change for this reaction at 25°C from AHºrn and AS rxn: AGºrxn = kJ/mol Check & Submit Answer Show Approach
Close Problem Tutored Practice Problem 4.3.2 COUNTS TOWARDS GRADE Write net ionic equations for precipitation reactions....
Close Problem Tutored Practice Problem 4.3.2 COUNTS TOWARDS GRADE Write net ionic equations for precipitation reactions. Write the net ionic equation for the precipitation reaction that occurs when aqueous solutions of barium acetate and magnesium sulfate are combined. Use the pull-down boxes to specify states such as (aq) or(s). If a box is not needed leave it blank. Check & Submit Answer Show Approach
please box the answers for clarity
Close Problem Tutored Practice Problem 14.2.1 COUNTS TOWARDS GRANDE Calculate the average rate of disappearance from concentration-time data. For the gas phase decomposition of dinitrogen pentoxide at 335 K 2 N205(9)—>4 NO2(g) + O2(9) the following data have been obtained: 0.109 IN,Os1, M ts 0 6.11x10 2 3.43 1021.92x10 2 123246 369 What is the average rate of disappearance of N20, over the time period from t=0s to t=123 s? MS Close Problem Tutored...
Tutored Practice Problem 18.1.3 cOUNTS TOWARDS GRADE Use equilibrium ion concentration to calculate Ksp Close Problem The Pb2+ concentration in a saturated solution of lead chloride is measured and found to be 1.65x102 M. Use this information to calculate a K,p value for lead chloride. Ksp Check & Submit Answer Show Approach
Close Problem Tutored Practice Problem 15.3.2 COUNTS TOWARDS GRADE Use an /CE table to calculate K A mixture of CO and Cl, is allowed to react at 585 K CO(g) + Cl2(g) cOC2(g) The initial concentration of the reactants are [cO] = 0.3050 M and [Cl2] = 0.3390 M. After the system reaches equilibrium, it is found that the Ch concentration has decreased to 0.0659 M. Based on these data, determine the value of the equilibrium constant, K, for this...
Tutored Practice Problem 19.3.4 COUNTS TOWARDS GRADE Calculate the equilibrium constant from the standard free energy change. Close Pr Using standard thermodynamic data (linked), calculate the equilibrium constant at 298.15 K for the following reaction. N2(g) + O2(g) +2NO(g) K- Check & Submit Answer Show Approach
Close Problem Tutored Practice Problem 20.1.3 cOUNTS TOWARDS GRADE Balance redox reactions in acidic solution. Balance the reaction between HAso, and Ni to form H3 Aso, and Ni2+ in acidic solution. When you have balanced the equation using the smallest integers possible, enter the coefficients of the species shown. Enter "1" if the coefficient is "1" Water appears in the balanced equation as a (reactant, product, neither) with a coefficient of (Enter 0 for neither.) Check & Submit Answer Show...
Tutored Practice Problem 16.4.1 COUNTS TOWARDS GRADE Predict and calculate the effect of concentration changes on an equilibrium system. Close Problem Some COCl2 is allowed to dissociate into CO and Cl2 at 873 K. At equilibrium, [COCI2] =0.237 M, and [CO] - [C12] = 0.128 M. Additional CO is added so that (CO)new = 0.193 M and the system is allowed to once again reach equilibrium. COC12(8) CO(g) + Cl2(g) K-6.98*10-2 at 873K (a) In which direction will the reaction...
Tutored Practice Problem 10.5.1 COUNTS TOWARDS GRADE Use Hess's law to calculate enthalpy change. Given the following two reactions: (1)Ca(s) + Cl2(9—+CaCl(s) AH(1) = -795.8 kJ (2)Hg(1) + Cl2(9) HgCl2(8) AH(2) = -224.3 kJ calculate the enthalpy change for the following reaction: (3) Ca(s) + HgC12(3)— CaCl2(S) + Hg(1) AH(3)=[ Check & Submit Answer Show Approach
Close Problem Tutored Practice Problem 17.3.1 COUNTS TOWARDS GRADE Calculate pH for a strong acid/strong base titration. Determine the pH during the titration of 29.5 mL of 0.237 M HCIO, by 0.237 M KOH at the following points: (a) Before the addition of any KOH (b) After the addition of 14.8 mL of KOH (c) At the equivalence point (d) After adding 38.1 mL of KOH кон Check & Submit Answer Show Approach
Close Problem Tutored Practice Problem 19.3.1 COUNTS TOWARDS GRADE Calculate standard free energy change using AH and So values. Consider the reaction CH4(g) + H2O(g)—_>3H2(g) + CO(g) Calculate the standard free energy change for this reaction at 25°C from AHºrn and AS rxn: AGºrxn = kJ/mol Check & Submit Answer Show Approach
Close Problem Tutored Practice Problem 4.3.2 COUNTS TOWARDS GRADE Write net ionic equations for precipitation reactions. Write the net ionic equation for the precipitation reaction that occurs when aqueous solutions of barium acetate and magnesium sulfate are combined. Use the pull-down boxes to specify states such as (aq) or(s). If a box is not needed leave it blank. Check & Submit Answer Show Approach
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