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Which of the following equilibria will shift to the left when the temperature is increased? [AH...
Which of the following equilibria will shift towards the formation of more products if the reaction...
Which of the following equilibria will shift towards the formation of more products if the reaction at equilibrium is compressed into half its volume? 1. 2N2O(g) + 2N2(g) + O2(g) II. 2CO(g) + O2(g) = 2CO2(g) III. N2(g) + O2(g) + 2NO(g) Both II and III. All three reactions will shift towards the formation of more products. Consider the following reaction at equilibrium. CO2(g) + 2 H2O(l) = CH2(g) + 2O2(g) AH° = +890 kJ Which two of the following...
b) - 227 kJ/mol c) + 251 kJ/mol d) - 251 kJ/mol Given the thermochemical equations...
b) - 227 kJ/mol c) + 251 kJ/mol d) - 251 kJ/mol Given the thermochemical equations below, calculate AH for this reaction: Given: C(s) + H2O(g) → CO(g) + H2(g) AH = ? C(s) + O2(g) + CO2(g) AH = -394 kJ 2002(g) + 2CO(g) + O2(g) AH = +566 kJ AH = -484 kJ 2H2(g) + O2(g) + 2H20(g) a) + 414 kJ b) - 353 kJ c) + 131 kJ d) - 312 kJ Vext page →
Consider the following equilibrium systems. Which direction will the reactions shift (reactants or products) when cooled?...
Consider the following equilibrium systems. Which direction will the reactions shift (reactants or products) when cooled? 2CO(g) + O2(g) = 2CO2(8) H2(g) + 12(g) = 2HI(g) H2(g) + 12(s) = 2H1(2) 12(g) = 21(2) AH = -566 kJ AH = -2.70 kJ AH = +53.0 kJ AH = +36.2 kJ _ a. reactants, reactants, reactants, reactants b.reactants, reactants, products, products c. products, products, products, products d. products, products, reactants, reactants | 0 0 0 0
37. Which of the following equilibria would not be affected by pressure changes at constant temperature?...
37. Which of the following equilibria would not be affected by pressure changes at constant temperature? a. CO2(g) + H2(g) = CO(g) + H2O(g) b.CO(g) + 302(g) =CO2(8) c. 2Hg(1) + O2(g) = 2HgO(s) d. 2H2(g) + O2(g) = 2H2O(1) e. CaCO3(s) CaO(s) + CO2(g)
16. Which of the changes listed will shift the equilibrium to the left for the following...
16. Which of the changes listed will shift the equilibrium to the left for the following reversible reaction? CO(g) + H2O(g) CO2(g) + H2(g) + heat add a catalyst decrease [CO2] increase temperature increase [H2O] decrease volume
Which one of the following is FALSE? The following reaction 2 NO2(g) → 2 NO(g) +...
Which one of the following is FALSE? The following reaction 2 NO2(g) → 2 NO(g) + O2(g), Ahº, 1xn = +113.5 kJ, is not spontaneous at any temperature For the following reaction 2CO(g) + O2(g) → 2002(g) + 4 H2O(g), AH°rxn=-566 kJ, ASuniv is positive at low temperature but negative al high temperature Ο If ΔΗ. Orxn=-115 kJ and AsOrxn = +263 J/K, then ASuniv> 0 at all temperatures For the following reaction CO2(g) → C(s) + O2(g), AH, =...
+2H2(g)+ CH4(g) +CO2(g)--2CO(g) Δ Predict which direction the equilibrium will shift (left, towards reactants or right,...
+2H2(g)+ CH4(g) +CO2(g)--2CO(g) Δ Predict which direction the equilibrium will shift (left, towards reactants or right, towards products) when you perform the following actions: ft Left Shift Right Action Add CH4s to the reaction Add CO2 to the reaction Add CO to the reaction Add H2 to the reaction Remove CHs from the reaction Remove CO2 from the reaction Remove CO from the reaction Remove H2 from the reaction Increase pressure by reducing volume Cool the reaction mixture Heat the...
help with these please Which of the following transformations represent an increase in the entropy of...
help with these please
Which of the following transformations represent an increase in the entropy of the system. Choose all that apply 4 mol CO2 (0.727 atm, 498K) 4 mol CO2 (0.727 atm, 249K) 38 g Sb (liquid, 904.0K) 38 g Sb (solid, 904.0K) 46 g C,H,OC Hg (liquid, 172K) 46 g CHOC2Hs (liquid, 293K) 1 mol H2 (8.39 L, 216K) 1 mol H2 (16.8 L, 216K) 46 g C2H5OC2H5 (liquid, 308K) 46 g C2H30C2H5 (gas, 308K) Consider the reaction:...
16. For the system CO + CO2(g) → CaCO(s) the equilibrium constant expression is a. [CO]...
16. For the system CO + CO2(g) → CaCO(s) the equilibrium constant expression is a. [CO] b. 1/[CO] c. COCO/CaCO, d. Cacos/CaoCO 17. The value of K, for the reaction 2NOH). N204) is 1.52 at 319 K. What is the value of ko at this temperature for the reaction N04() → 2NOR ? b. 1.23 c. 5.74 x 10 d. 0.658 18. The value of Ke for the reaction C() + COX() -----2CO(g) is 1.6. What is the equilibrium concentration...
0 AH; (kl mol-1) 90.37 33.8 81.57 9.67 Ca(s) 0 11 Review Intelligent Tutoring Problem...
0 AH; (kl mol-1) 90.37 33.8 81.57 9.67 Ca(s) 0 11 Review Intelligent Tutoring Problem 6.93 Using the data in the table below, calculate AH° in kilojoules for the following reactions. Standard Enthalpies of Formation of Typical Substances Substance AH() mol-1) Substance AH (K) mol-1) Substance Ag(s) H2O2(0) -187.6 CH (8) AgBr() -100.4 HBrg) -36 CH,OH(I) AgCl(s) - 127.0 HCl(g) -92.30 AO) HI(g) 26.6 CaBr20) Al2O3() -- 1669.8 HNO3(1) -173.2 CaCO3(9 CG) (graphite) H2SO4) -811.32 CaCl (5) CO(g) -110.5...
Which of the following equilibria will shift towards the formation of more products if the reaction at equilibrium is compressed into half its volume? 1. 2N2O(g) + 2N2(g) + O2(g) II. 2CO(g) + O2(g) = 2CO2(g) III. N2(g) + O2(g) + 2NO(g) Both II and III. All three reactions will shift towards the formation of more products. Consider the following reaction at equilibrium. CO2(g) + 2 H2O(l) = CH2(g) + 2O2(g) AH° = +890 kJ Which two of the following...
b) - 227 kJ/mol c) + 251 kJ/mol d) - 251 kJ/mol Given the thermochemical equations below, calculate AH for this reaction: Given: C(s) + H2O(g) → CO(g) + H2(g) AH = ? C(s) + O2(g) + CO2(g) AH = -394 kJ 2002(g) + 2CO(g) + O2(g) AH = +566 kJ AH = -484 kJ 2H2(g) + O2(g) + 2H20(g) a) + 414 kJ b) - 353 kJ c) + 131 kJ d) - 312 kJ Vext page →
Consider the following equilibrium systems. Which direction will the reactions shift (reactants or products) when cooled? 2CO(g) + O2(g) = 2CO2(8) H2(g) + 12(g) = 2HI(g) H2(g) + 12(s) = 2H1(2) 12(g) = 21(2) AH = -566 kJ AH = -2.70 kJ AH = +53.0 kJ AH = +36.2 kJ _ a. reactants, reactants, reactants, reactants b.reactants, reactants, products, products c. products, products, products, products d. products, products, reactants, reactants | 0 0 0 0
37. Which of the following equilibria would not be affected by pressure changes at constant temperature? a. CO2(g) + H2(g) = CO(g) + H2O(g) b.CO(g) + 302(g) =CO2(8) c. 2Hg(1) + O2(g) = 2HgO(s) d. 2H2(g) + O2(g) = 2H2O(1) e. CaCO3(s) CaO(s) + CO2(g)
Which one of the following is FALSE? The following reaction 2 NO2(g) → 2 NO(g) + O2(g), Ahº, 1xn = +113.5 kJ, is not spontaneous at any temperature For the following reaction 2CO(g) + O2(g) → 2002(g) + 4 H2O(g), AH°rxn=-566 kJ, ASuniv is positive at low temperature but negative al high temperature Ο If ΔΗ. Orxn=-115 kJ and AsOrxn = +263 J/K, then ASuniv> 0 at all temperatures For the following reaction CO2(g) → C(s) + O2(g), AH, =...
+2H2(g)+ CH4(g) +CO2(g)--2CO(g) Δ Predict which direction the equilibrium will shift (left, towards reactants or right, towards products) when you perform the following actions: ft Left Shift Right Action Add CH4s to the reaction Add CO2 to the reaction Add CO to the reaction Add H2 to the reaction Remove CHs from the reaction Remove CO2 from the reaction Remove CO from the reaction Remove H2 from the reaction Increase pressure by reducing volume Cool the reaction mixture Heat the...
help with these please
Which of the following transformations represent an increase in the entropy of the system. Choose all that apply 4 mol CO2 (0.727 atm, 498K) 4 mol CO2 (0.727 atm, 249K) 38 g Sb (liquid, 904.0K) 38 g Sb (solid, 904.0K) 46 g C,H,OC Hg (liquid, 172K) 46 g CHOC2Hs (liquid, 293K) 1 mol H2 (8.39 L, 216K) 1 mol H2 (16.8 L, 216K) 46 g C2H5OC2H5 (liquid, 308K) 46 g C2H30C2H5 (gas, 308K) Consider the reaction:...
16. For the system CO + CO2(g) → CaCO(s) the equilibrium constant expression is a. [CO] b. 1/[CO] c. COCO/CaCO, d. Cacos/CaoCO 17. The value of K, for the reaction 2NOH). N204) is 1.52 at 319 K. What is the value of ko at this temperature for the reaction N04() → 2NOR ? b. 1.23 c. 5.74 x 10 d. 0.658 18. The value of Ke for the reaction C() + COX() -----2CO(g) is 1.6. What is the equilibrium concentration...
0 AH; (kl mol-1) 90.37 33.8 81.57 9.67 Ca(s) 0 11 Review Intelligent Tutoring Problem 6.93 Using the data in the table below, calculate AH° in kilojoules for the following reactions. Standard Enthalpies of Formation of Typical Substances Substance AH() mol-1) Substance AH (K) mol-1) Substance Ag(s) H2O2(0) -187.6 CH (8) AgBr() -100.4 HBrg) -36 CH,OH(I) AgCl(s) - 127.0 HCl(g) -92.30 AO) HI(g) 26.6 CaBr20) Al2O3() -- 1669.8 HNO3(1) -173.2 CaCO3(9 CG) (graphite) H2SO4) -811.32 CaCl (5) CO(g) -110.5...
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