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Write a balanced chemical equation which corresponds to the following equilibrium constant question...
An decrease in temperature increases the reaction rate because temperature affects the equilibrium constant of the...
An decrease in temperature increases the reaction rate because temperature affects the equilibrium constant of the reaction a smaller fraction of the collisions have the correct orientation of molecules. the activation energy of the reaction will decrease. less collisions will have enough energy to exceed the activation energy. the activation energy of the reaction will increase. The equilibrium constant, K_p, for the reaction H_2(g) + I_2(g) doubleheadarrow 2HI(g) is 10.0 at 450 degree C. A rigid cylinder at that temperature...
At elevated temperatures, BrF_5 establishes the following equilibrium. 2BrF_5(g) Br_2(g) + 5F_2(g) The equilibrium concentrations of...
At elevated temperatures, BrF_5 establishes the following equilibrium. 2BrF_5(g) Br_2(g) + 5F_2(g) The equilibrium concentrations of the gases at 1500 K are 0.0064 mol/L for BrF_5, 0.0018 mol/L for Br_2, and 0.0090 mol/L for F_o. Calculate the value of K_r. The reaction of iron and water vapor results in an equilibrium 3Fe(s) + 4H_2O(g) Fe_3O_4(s) + 4H_2(g) and an equilibrium constant, K_c, of 4.6 at 850 degree C. What is the concentration of hydrogen present at equilibrium if the reaction...
The following reaction was allowed to come to equilibrium at 35 degree C. The initial molar...
The following reaction was allowed to come to equilibrium at 35 degree C. The initial molar concentration for SO_3 is 0.675 M ([SO_3| = 0.675 M) and the initial molar concentration for CO_2 is 0.444 M (|CO_2] = 0.444 M). After the reaction reached equilibrium the concentration of CO_2 now equals 0.214 M ((CO_2] = 0.214 M). What is the K_c value for the reaction? 0.00987 0.0342 7.31 11.8 16.7 At 35 degree C the equilibrium constant value (K_c) for...
The equilibrium constant, K, for the following reaction is 1.20 times 10^-2 at 500 k. PCl_5...
The equilibrium constant, K, for the following reaction is 1.20 times 10^-2 at 500 k. PCl_5 (g) irreversible PCl_3 (g) + Cl_2 (g) At equilibrium mixture of the three gases in a 1.00 L. flask at 500 K contains 0.203 M PCl_5, 4.93 times 10^-2 M PCl_5 and 4.93 times 10^-2 M Cl_2. What will be the concentration of the three gases once equilibrium has been reestablished, if 2.81 times 10^-2 mol of PCl_3 (g) is added to the flask?...
Consider the following reaction: Ca(s) + 2 H_2O(l) rightarrow Ca(OH)_2(s) + H_2(g) Calculate the heat of...
Consider the following reaction: Ca(s) + 2 H_2O(l) rightarrow Ca(OH)_2(s) + H_2(g) Calculate the heat of reaction based on the following information: 2H_2(g) + O_2(g) rightarrow 2 H_2O(l) DeltaH = -572 kJ/mol CaO(s) + H_2O(l) rightarrow Ca(OH)_2(s) DeltaH = -64 kJ/mol CaCO_3(s) rightarrow CaO(s) + CO_2(g) DeltaH = +178.1 kJ/mol 2 Ca (s) + O_2(g) rightarrow 2 CaO(s) DeltaH = -1270 kJ/mol 13. Acetylene is used in blow torches, and bums according to the following equation: 2 C_2H_2(g) + 5...
Write a balanced chemical equation (including phases) to describe the following reactions of sulfuric acid and...
Write a balanced chemical equation (including phases) to describe the following reactions of sulfuric acid and nitric acid: Nitric acid reacts with ammonia in aqueous solution. HNO_3(aq) + NH_3(aq) implies NH^+_4(aq) + NO^-_3(aq) Sulfuric acid reacts with ammonia in aqueous solution. H_2SO_4(aq) + 2 NH_3(g) implies (NH_4)_2 SO_4(aq) Sulfuric acid dissolves in water. Step 1 (1st proton): H_2SO_4(aq) + H_2O(l) implies H_3O^+(aq) + HSO^-_4(aq) Step 2 (2nd proton): HSO^-_4(aq) + H_2O(l) implies H_3O^+(aq) + SO^2-_4(aq)
Which of the following molecules or ions is NOT polar? PCl_3 I_3^- H_2O N_2O SO_2 An...
Which of the following molecules or ions is NOT polar? PCl_3 I_3^- H_2O N_2O SO_2 An iron ore, magnetite, contains only iron and oxygen. In refining 100.0g of the ore, 72.35 g of iron are obtained. What is the empirical formula of the ore? Fe_2O_3 Fe_2O_4 FeO_2 FeO Fe_2O_5 Fe_2O_2(s) and powdered aluminum can react with great output of heat to form molten iron and Al_2O_3 when this reaction equation is balanced, what are the stoichiometric coeeficients in the following...
Consider the following reaction at equilibrium. What effect will increasing the temperature have on the system?...
Consider the following reaction at equilibrium. What effect will increasing the temperature have on the system? C_3H_8(g) + 5 O_2(g) Equilibrium 3 CO_2(g) + 4 H_2O(l) Delta H degree = -2220 kJ
Nitrogen trifluoride decomposes to form nitrogen and fluorine gases according to the following equation:2NF_3(g) N_2(g) +...
Nitrogen trifluoride decomposes to form nitrogen and fluorine gases according to the following equation:2NF_3(g) N_2(g) + 3F_2(g) When 1.82 mol of NF_3, is placed in a 3.00 L container and allowed to come to equilibrium at 800 K, the mixture is found to contain 0.0261 mol of N_2. What is the value of k_p, at this temperature? 398 times 10^-4 1.91 times 10^-5 1.80 times 10^-3 4.43 times 10^-7 3.87 times 10^-4 A red blood cell placed in pure water...
1. Write down the equilibrium constant expressions, K, and K for each of the following reactions:...
1. Write down the equilibrium constant expressions, K, and K for each of the following reactions: (a) H2(g)C(g) 2 HCl(g) (b) 2 C(s)+0(g) 2 COg Ag (aq)Cl(aq) (c) AgCl(s) (d) 2 0,(g) 30,(g) 2. A 1.0 L evacuated flask was charged with 0.020 mol of N,O and 0.060 mol of NO, at 25.0 C. After equilibrium was reached the NO2 concentration was found to be 0.0140 M. What is the equilibrium constant K, for the reaction? N,0,(g)2 NO(g) 3. Ammonium...
An decrease in temperature increases the reaction rate because temperature affects the equilibrium constant of the reaction a smaller fraction of the collisions have the correct orientation of molecules. the activation energy of the reaction will decrease. less collisions will have enough energy to exceed the activation energy. the activation energy of the reaction will increase. The equilibrium constant, K_p, for the reaction H_2(g) + I_2(g) doubleheadarrow 2HI(g) is 10.0 at 450 degree C. A rigid cylinder at that temperature...
At elevated temperatures, BrF_5 establishes the following equilibrium. 2BrF_5(g) Br_2(g) + 5F_2(g) The equilibrium concentrations of the gases at 1500 K are 0.0064 mol/L for BrF_5, 0.0018 mol/L for Br_2, and 0.0090 mol/L for F_o. Calculate the value of K_r. The reaction of iron and water vapor results in an equilibrium 3Fe(s) + 4H_2O(g) Fe_3O_4(s) + 4H_2(g) and an equilibrium constant, K_c, of 4.6 at 850 degree C. What is the concentration of hydrogen present at equilibrium if the reaction...
The following reaction was allowed to come to equilibrium at 35 degree C. The initial molar concentration for SO_3 is 0.675 M ([SO_3| = 0.675 M) and the initial molar concentration for CO_2 is 0.444 M (|CO_2] = 0.444 M). After the reaction reached equilibrium the concentration of CO_2 now equals 0.214 M ((CO_2] = 0.214 M). What is the K_c value for the reaction? 0.00987 0.0342 7.31 11.8 16.7 At 35 degree C the equilibrium constant value (K_c) for...
The equilibrium constant, K, for the following reaction is 1.20 times 10^-2 at 500 k. PCl_5 (g) irreversible PCl_3 (g) + Cl_2 (g) At equilibrium mixture of the three gases in a 1.00 L. flask at 500 K contains 0.203 M PCl_5, 4.93 times 10^-2 M PCl_5 and 4.93 times 10^-2 M Cl_2. What will be the concentration of the three gases once equilibrium has been reestablished, if 2.81 times 10^-2 mol of PCl_3 (g) is added to the flask?...
Consider the following reaction: Ca(s) + 2 H_2O(l) rightarrow Ca(OH)_2(s) + H_2(g) Calculate the heat of reaction based on the following information: 2H_2(g) + O_2(g) rightarrow 2 H_2O(l) DeltaH = -572 kJ/mol CaO(s) + H_2O(l) rightarrow Ca(OH)_2(s) DeltaH = -64 kJ/mol CaCO_3(s) rightarrow CaO(s) + CO_2(g) DeltaH = +178.1 kJ/mol 2 Ca (s) + O_2(g) rightarrow 2 CaO(s) DeltaH = -1270 kJ/mol 13. Acetylene is used in blow torches, and bums according to the following equation: 2 C_2H_2(g) + 5...
Write a balanced chemical equation (including phases) to describe the following reactions of sulfuric acid and nitric acid: Nitric acid reacts with ammonia in aqueous solution. HNO_3(aq) + NH_3(aq) implies NH^+_4(aq) + NO^-_3(aq) Sulfuric acid reacts with ammonia in aqueous solution. H_2SO_4(aq) + 2 NH_3(g) implies (NH_4)_2 SO_4(aq) Sulfuric acid dissolves in water. Step 1 (1st proton): H_2SO_4(aq) + H_2O(l) implies H_3O^+(aq) + HSO^-_4(aq) Step 2 (2nd proton): HSO^-_4(aq) + H_2O(l) implies H_3O^+(aq) + SO^2-_4(aq)
Which of the following molecules or ions is NOT polar? PCl_3 I_3^- H_2O N_2O SO_2 An iron ore, magnetite, contains only iron and oxygen. In refining 100.0g of the ore, 72.35 g of iron are obtained. What is the empirical formula of the ore? Fe_2O_3 Fe_2O_4 FeO_2 FeO Fe_2O_5 Fe_2O_2(s) and powdered aluminum can react with great output of heat to form molten iron and Al_2O_3 when this reaction equation is balanced, what are the stoichiometric coeeficients in the following...
Consider the following reaction at equilibrium. What effect will increasing the temperature have on the system? C_3H_8(g) + 5 O_2(g) Equilibrium 3 CO_2(g) + 4 H_2O(l) Delta H degree = -2220 kJ
Nitrogen trifluoride decomposes to form nitrogen and fluorine gases according to the following equation:2NF_3(g) N_2(g) + 3F_2(g) When 1.82 mol of NF_3, is placed in a 3.00 L container and allowed to come to equilibrium at 800 K, the mixture is found to contain 0.0261 mol of N_2. What is the value of k_p, at this temperature? 398 times 10^-4 1.91 times 10^-5 1.80 times 10^-3 4.43 times 10^-7 3.87 times 10^-4 A red blood cell placed in pure water...
1. Write down the equilibrium constant expressions, K, and K for each of the following reactions: (a) H2(g)C(g) 2 HCl(g) (b) 2 C(s)+0(g) 2 COg Ag (aq)Cl(aq) (c) AgCl(s) (d) 2 0,(g) 30,(g) 2. A 1.0 L evacuated flask was charged with 0.020 mol of N,O and 0.060 mol of NO, at 25.0 C. After equilibrium was reached the NO2 concentration was found to be 0.0140 M. What is the equilibrium constant K, for the reaction? N,0,(g)2 NO(g) 3. Ammonium...
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