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Find the equilibrium concentration of N_2O_4(g) [Nitrogen nitroxide] due to the chemical reaction at 25 degree...
Consider the reaction 2NO_2(g) rightarrow N_2O_4 (g). Using the following data, calculate Delta G degree at...
Consider the reaction 2NO_2(g) rightarrow N_2O_4 (g). Using the following data, calculate Delta G degree at 298 K. Delta G degree (NO_2(g)) = 51.84 kJ/mol, Delta G degree (N_2 O_4 (g)) = 98.28 kJ/mol. Calculate Delta G at 298 K if the partial pressures of NO_2 and N_2O_4 are 0.37 atm and 1.62 atm, respectively. Express your answer using one significant figure.
At 25 degree C, the following heats of reaction are known: 2CIF (g) + O_2 (g)...
At 25 degree C, the following heats of reaction are known: 2CIF (g) + O_2 (g) rightarrow Cl_2O (g)+ F_2O (g) Delta H_rxn^degree = 167.4 kJ/mol 2ClF_3 (g) +2O_2 (g) rightarrow Cl_2O (g) + 3F_2O (g) Delta H_rxn^degree = 341.4 kJ/mol 2F_2 (g) + O_2 (g) rightarrow 2F_2O (g) Delta H_rxn^degree = -43.4 kJ/mol At the same temperature, use Hess' law to calculate Delta H_rxn^degree for the following reaction: ClF (g) + F_2 (g) rightarrow ClF_3 (g)
Consider the equilibrium reaction: 2NO(g) + O_2(g) 2NO_2(g) Delta H = +114.6 kJ What will be...
Consider the equilibrium reaction: 2NO(g) + O_2(g) 2NO_2(g) Delta H = +114.6 kJ What will be the change in the equilibrium concentration of NO_2 under each of the following conditions? Considering each change separately, state the effect (increase, I; decrease, D; or no change NC) specified). a) O_2 is added ___ b) energy is added___ c) NO is removed ___ d) a catalyst is added ___ e) it is placed in an ice bath ___ f) the volume is increased...
Nitric oxide reacts with oxygen to form nitrogen dioxide: 2 NO(g) + O_2(g) 2 NO_2(g) What...
Nitric oxide reacts with oxygen to form nitrogen dioxide: 2 NO(g) + O_2(g) 2 NO_2(g) What is K_c for the forward reaction if the equilibrium concentration of NO is 0.200 M, O_2 is 0.100 M, and NO_2 is 0.250 M at 25 degree C? 8.00 times 10^-2 6.41 times 10^-2 12.5 15.6
Calculate concentration of O_2 (in mg/L) in surface water in equilibrium with atmosphere (at 25 degree...
Calculate concentration of O_2 (in mg/L) in surface water in equilibrium with atmosphere (at 25 degree C): K_O2 (25 degree C) = 1.28 times 10^-3 mol/L-atm 20.95% of O_2 in dry air P_H2O (25 degree C) = 0.0313 atm Knowing that O_2 solubility is 14.74 mg/L at 0 degree C and 7.03 mg/L at 35 degree C, estimate O_2 solubility at 50 degree C (in mg/L)
Write the equilibrium constant expression (K) for the following reaction: N_2(g) + 3H_2(g) doubleheadarrow 2NH_3(g) For...
Write the equilibrium constant expression (K) for the following reaction: N_2(g) + 3H_2(g) doubleheadarrow 2NH_3(g) For the equilibrium in question #3, if the value of K at 25 degree C is 3.7 x 10^8. and the equilibrium concentrations for N_2 and H_2 are 1.05 x 10^-4M and 5.42 x 10^-5M, respectively, use the expression above to calculate the equilibrium concentration of NH.
For the reaction N_2(g) + 3 H_2(g) rightarrow 2 NH_3(g) Delta G degree = -23.6 kJ...
For the reaction N_2(g) + 3 H_2(g) rightarrow 2 NH_3(g) Delta G degree = -23.6 kJ and Delta S degree = -198.7 J/K at 345 K and 1 atm. This reaction is (reactant, product) favored under standard conditions at 345 K. The standard enthalpy change for the reaction of 2.30 moles of N_2(g) at this temperature would be kJ. For the reaction 2 H_2O_2(l) rightarrow 2 H_2O(l) + O_2(g) Delta G degree = -236.9 kJ and Delta H degree =...
The decomposition of nitrogen dioxide at a high temperature NO_2(g) rightarrow NO(g) + 1/2 O_2(g) is...
The decomposition of nitrogen dioxide at a high temperature NO_2(g) rightarrow NO(g) + 1/2 O_2(g) is second-order in this reactant. The rate constant for this reaction is 3.40 L/mol min. Determine the time needed for the concentration of NO_2 to decrease from 2.00 mol/L to 1.50 mol/L.
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...
According to the following reaction: KHP + NaOH a NaKP + H_2O What is the concentration...
According to the following reaction: KHP + NaOH a NaKP + H_2O What is the concentration of the NaOH if it look 42.52 mL to titrate 0.835 g of KHP? (MM KHP = 204.2 g/mol) According to the following equation, how many ml of 0.15 M NaOH would be needed to titrate 10.00 ml of 0.500 M HCl? HCl + NaOH a NaCI + H_2O What is the pH of a 0.33 M solution of HCl? What is the [H+]...
Consider the reaction 2NO_2(g) rightarrow N_2O_4 (g). Using the following data, calculate Delta G degree at 298 K. Delta G degree (NO_2(g)) = 51.84 kJ/mol, Delta G degree (N_2 O_4 (g)) = 98.28 kJ/mol. Calculate Delta G at 298 K if the partial pressures of NO_2 and N_2O_4 are 0.37 atm and 1.62 atm, respectively. Express your answer using one significant figure.
At 25 degree C, the following heats of reaction are known: 2CIF (g) + O_2 (g) rightarrow Cl_2O (g)+ F_2O (g) Delta H_rxn^degree = 167.4 kJ/mol 2ClF_3 (g) +2O_2 (g) rightarrow Cl_2O (g) + 3F_2O (g) Delta H_rxn^degree = 341.4 kJ/mol 2F_2 (g) + O_2 (g) rightarrow 2F_2O (g) Delta H_rxn^degree = -43.4 kJ/mol At the same temperature, use Hess' law to calculate Delta H_rxn^degree for the following reaction: ClF (g) + F_2 (g) rightarrow ClF_3 (g)
Consider the equilibrium reaction: 2NO(g) + O_2(g) 2NO_2(g) Delta H = +114.6 kJ What will be the change in the equilibrium concentration of NO_2 under each of the following conditions? Considering each change separately, state the effect (increase, I; decrease, D; or no change NC) specified). a) O_2 is added ___ b) energy is added___ c) NO is removed ___ d) a catalyst is added ___ e) it is placed in an ice bath ___ f) the volume is increased...
Nitric oxide reacts with oxygen to form nitrogen dioxide: 2 NO(g) + O_2(g) 2 NO_2(g) What is K_c for the forward reaction if the equilibrium concentration of NO is 0.200 M, O_2 is 0.100 M, and NO_2 is 0.250 M at 25 degree C? 8.00 times 10^-2 6.41 times 10^-2 12.5 15.6
Calculate concentration of O_2 (in mg/L) in surface water in equilibrium with atmosphere (at 25 degree C): K_O2 (25 degree C) = 1.28 times 10^-3 mol/L-atm 20.95% of O_2 in dry air P_H2O (25 degree C) = 0.0313 atm Knowing that O_2 solubility is 14.74 mg/L at 0 degree C and 7.03 mg/L at 35 degree C, estimate O_2 solubility at 50 degree C (in mg/L)
Write the equilibrium constant expression (K) for the following reaction: N_2(g) + 3H_2(g) doubleheadarrow 2NH_3(g) For the equilibrium in question #3, if the value of K at 25 degree C is 3.7 x 10^8. and the equilibrium concentrations for N_2 and H_2 are 1.05 x 10^-4M and 5.42 x 10^-5M, respectively, use the expression above to calculate the equilibrium concentration of NH.
For the reaction N_2(g) + 3 H_2(g) rightarrow 2 NH_3(g) Delta G degree = -23.6 kJ and Delta S degree = -198.7 J/K at 345 K and 1 atm. This reaction is (reactant, product) favored under standard conditions at 345 K. The standard enthalpy change for the reaction of 2.30 moles of N_2(g) at this temperature would be kJ. For the reaction 2 H_2O_2(l) rightarrow 2 H_2O(l) + O_2(g) Delta G degree = -236.9 kJ and Delta H degree =...
The decomposition of nitrogen dioxide at a high temperature NO_2(g) rightarrow NO(g) + 1/2 O_2(g) is second-order in this reactant. The rate constant for this reaction is 3.40 L/mol min. Determine the time needed for the concentration of NO_2 to decrease from 2.00 mol/L to 1.50 mol/L.
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...
According to the following reaction: KHP + NaOH a NaKP + H_2O What is the concentration of the NaOH if it look 42.52 mL to titrate 0.835 g of KHP? (MM KHP = 204.2 g/mol) According to the following equation, how many ml of 0.15 M NaOH would be needed to titrate 10.00 ml of 0.500 M HCl? HCl + NaOH a NaCI + H_2O What is the pH of a 0.33 M solution of HCl? What is the [H+]...
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