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QUESTION 12 4NH3 + 702 + 4NO2 + 6H20 When the rate of disappearance of O2...
QUESTION 8 Consider the reaction: 4NH3 +702-4NO2 + 6H20. At a certain instant, the rate of...
QUESTION 8 Consider the reaction: 4NH3 +702-4NO2 + 6H20. At a certain instant, the rate of disappearance of the oxygen gas is 1.20 M/s. Which of the following is NOT true? Choose this answer only if all of the other choices are true. The rate of appearance of water at the same instant would be 1.03 M/S. The rate constant for this reaction changes with temperature, but not with the concentrations of reactants used. The initial rate of disappearance of...
1) 2) 3) A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the...
1)
2)
3)
A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the rate constant for the reaction is 0.00732 s-1 at 721 °C, at what temperature(in°C) would the rate constant be 0.231 s-12 *Please report 3 significant figures. Numbers only, no unit. No scientific notation. 4NH3 + 702 → 4NO2 + 6H20 M/S When the rate of disappearance of NH3 is 0.36 M/s , the rate of appearance of H20 is *Please report 2 significant figures....
1) 2) 3) A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the...
1)
2)
3)
A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the rate constant for the reaction is 0.00732 s-1 at 721 °C, at what temperature(in°C) would the rate constant be 0.231 s-12 *Please report 3 significant figures. Numbers only, no unit. No scientific notation. 4NH3 + 702 → 4NO2 + 6H20 M/S When the rate of disappearance of NH3 is 0.36 M/s , the rate of appearance of H20 is *Please report 2 significant figures....
4NH3 + 7O2 → 4NO2 + 6H2O When the rate of disappearance of NH3 is 0.48...
4NH3 + 7O2 → 4NO2 + 6H2O When the rate of disappearance of NH3 is 0.48 M/s , the rate of appearance of H2O is ________ M/s
The oxidation of ammonia is represented by the following chemical equation: 4NH3 702-> 4NO2+6H20 In an experiment th...
The oxidation of ammonia is represented by the following chemical equation: 4NH3 702-> 4NO2+6H20 In an experiment the rate of disappearance of oxygen is 3.2 mol dm3s1.What is the rate of formation of NO2, in units of mol dm3s1? 1.83 O5.60 89.60 6.50
Calculate the standard enthalpy change, ΔΗ0rn, în k] for the following chemical equation, using o...
Calculate the standard enthalpy change, ΔΗ0rn, în k] for the following chemical equation, using only the thermochemical equations below. Please Go Over This Question In etail 12NH3(aq) 1502(9)12NOg)18H200) Report your answer to three significant figures in scientific notation. Equations: 1/2N2(g) 1/202(g) NO(g) 1/2N2(g) O2(9) NO2(9) 4NH3(g) + 7O2(g) → 4NO2(g) + 6H20(1) 90.4 33.8 -1326.2 Submit Answer Incorrect. . Tries 2/99 Previous Tries Submissions to practice problems are not permanently recorded
Calculate the standard enthalpy change, ΔΗ0rn, în k] for...
Question 5 Att = 5.0 s, the disappearance of oxygen occurs at a rate of 0.75...
Question 5 Att = 5.0 s, the disappearance of oxygen occurs at a rate of 0.75 M/s. What is the rate of appearance of nitrogen monoxide? 4 NH3(g) + 5 O2(g) → 4 NO (9) + 6 H 20 (9) Na nnt mive units report answer to 2 significant figures.
please help with these two QUESTION 20 Which of the reactions will have the largest rate...
please help with these two
QUESTION 20 Which of the reactions will have the largest rate constant? oc OD OA More information is required. QUESTION 21 A flask is charged with 2.78 mol of A and allowed to react to form B according to the reaction A(8) -B(8). The following data are obtained for [A] as the reaction proceeds: 0.0 Time (s) mols of A 10.0 2.43 20.0 2.18 30.0 2.02 40.0 1.89 50.0 1.70 60.0 1.58 2.78 The average...
QUESTION 1 CH4(g) + 2 H2S(g) = CS2(g) + 4 H2(g) A reaction mixture initially contains...
QUESTION 1 CH4(g) + 2 H2S(g) = CS2(g) + 4 H2(g) A reaction mixture initially contains 0.55 M CH4 and 0.53 M H2S. If the equilibrium concentration of H2 is 0.48 M, find the equilibrium constant (Kc) for the reaction. *Please report 3 significant figures. Numbers only, No unit. No scientific notation.
questions 11-13 QUESTION 11 CaCO3 (6) + CaO (8) + CO2 (g) At 423 °C, the...
questions 11-13
QUESTION 11 CaCO3 (6) + CaO (8) + CO2 (g) At 423 °C, the reaction reaches equilibrium. If Pco2 -2.89 atm, what is Ke value ? *Please report 3 significant figures. Numbers only, No unit. No scientific notation. QUESTION 12 The decomposition of dinitrogen tetroxide to nitrogen dioxide at 400°C follows first-order kinetics with a rate constant of 4.59 10-31 Starting with pure N204, how many minutes will it take for 42.0% to decompose? *Please report 3 significant...
QUESTION 8 Consider the reaction: 4NH3 +702-4NO2 + 6H20. At a certain instant, the rate of disappearance of the oxygen gas is 1.20 M/s. Which of the following is NOT true? Choose this answer only if all of the other choices are true. The rate of appearance of water at the same instant would be 1.03 M/S. The rate constant for this reaction changes with temperature, but not with the concentrations of reactants used. The initial rate of disappearance of...
1)
2)
3)
A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the rate constant for the reaction is 0.00732 s-1 at 721 °C, at what temperature(in°C) would the rate constant be 0.231 s-12 *Please report 3 significant figures. Numbers only, no unit. No scientific notation. 4NH3 + 702 → 4NO2 + 6H20 M/S When the rate of disappearance of NH3 is 0.36 M/s , the rate of appearance of H20 is *Please report 2 significant figures....
1)
2)
3)
A particular reaction has an activation energy, Eq, of 139 kJ/mol. If the rate constant for the reaction is 0.00732 s-1 at 721 °C, at what temperature(in°C) would the rate constant be 0.231 s-12 *Please report 3 significant figures. Numbers only, no unit. No scientific notation. 4NH3 + 702 → 4NO2 + 6H20 M/S When the rate of disappearance of NH3 is 0.36 M/s , the rate of appearance of H20 is *Please report 2 significant figures....
The oxidation of ammonia is represented by the following chemical equation: 4NH3 702-> 4NO2+6H20 In an experiment the rate of disappearance of oxygen is 3.2 mol dm3s1.What is the rate of formation of NO2, in units of mol dm3s1? 1.83 O5.60 89.60 6.50
Calculate the standard enthalpy change, ΔΗ0rn, în k] for the following chemical equation, using only the thermochemical equations below. Please Go Over This Question In etail 12NH3(aq) 1502(9)12NOg)18H200) Report your answer to three significant figures in scientific notation. Equations: 1/2N2(g) 1/202(g) NO(g) 1/2N2(g) O2(9) NO2(9) 4NH3(g) + 7O2(g) → 4NO2(g) + 6H20(1) 90.4 33.8 -1326.2 Submit Answer Incorrect. . Tries 2/99 Previous Tries Submissions to practice problems are not permanently recorded
Calculate the standard enthalpy change, ΔΗ0rn, în k] for...
Question 5 Att = 5.0 s, the disappearance of oxygen occurs at a rate of 0.75 M/s. What is the rate of appearance of nitrogen monoxide? 4 NH3(g) + 5 O2(g) → 4 NO (9) + 6 H 20 (9) Na nnt mive units report answer to 2 significant figures.
please help with these two
QUESTION 20 Which of the reactions will have the largest rate constant? oc OD OA More information is required. QUESTION 21 A flask is charged with 2.78 mol of A and allowed to react to form B according to the reaction A(8) -B(8). The following data are obtained for [A] as the reaction proceeds: 0.0 Time (s) mols of A 10.0 2.43 20.0 2.18 30.0 2.02 40.0 1.89 50.0 1.70 60.0 1.58 2.78 The average...
QUESTION 1 CH4(g) + 2 H2S(g) = CS2(g) + 4 H2(g) A reaction mixture initially contains 0.55 M CH4 and 0.53 M H2S. If the equilibrium concentration of H2 is 0.48 M, find the equilibrium constant (Kc) for the reaction. *Please report 3 significant figures. Numbers only, No unit. No scientific notation.
questions 11-13
QUESTION 11 CaCO3 (6) + CaO (8) + CO2 (g) At 423 °C, the reaction reaches equilibrium. If Pco2 -2.89 atm, what is Ke value ? *Please report 3 significant figures. Numbers only, No unit. No scientific notation. QUESTION 12 The decomposition of dinitrogen tetroxide to nitrogen dioxide at 400°C follows first-order kinetics with a rate constant of 4.59 10-31 Starting with pure N204, how many minutes will it take for 42.0% to decompose? *Please report 3 significant...
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