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The rate constant for the first-order decomposition of a compound A in the reaction 2A rightarrow...
The rate constant for the first-order decomposition of N_2O_5 in the xeactron2 N_2O_5(g) rightarroe 4 NO_2(g)+O_2(g)...
The rate constant for the first-order decomposition of N_2O_5 in the xeactron2 N_2O_5(g) rightarroe 4 NO_2(g)+O_2(g) is k_I = 3.38 times 10^-5 s^-1 at 25 degree C. What is the half-life of N205? What will be the pressure, initially 500 Torr, after 50 20 min after initiation of the reaction?
6) The rate constant for the first-order decomposition of N2O5 in the reaction 2N2O5(g) → 4NO2(g)...
6) The rate constant for the first-order decomposition of N2O5 in the reaction 2N2O5(g) → 4NO2(g) + O2(g) is k=3.38 x 10-5 s-1 at 25°C. What is the half-life of N2O5? What will be the total pressure, initially 88.3 kPa for the pure N2O5 vapour, (a) 10 s, (b) 10 minutes after initiation of the reaction?
6. (a) The rate constant for the first-order decomposition of N2Os in the reaction, 2 N2Os(g)-4...
6. (a) The rate constant for the first-order decomposition of N2Os in the reaction, 2 N2Os(g)-4 NO(g)+0.(g), k-3x10-s at 25°C. What is the half-life of N20s? What will be the pressure, initially 500 bar, at 10 min after initiation of the reaction? (b) Knowing the activation energy of the above reaction is 100 kJ mor', calculate the required reaction temperature at which the reaction rate is doubled. (c) What is the conversion efficiency of N20s at 1 bar and 25...
1) The rate constant for the reaction 2 N,Os(9) = 4 NO (9) + O2(9) is...
1) The rate constant for the reaction 2 N,Os(9) = 4 NO (9) + O2(9) is reported in units of sl. What is the overall order of the reaction? 2) The rate law for a reaction was reported as rate=k[A] [B][C] with molar concentrations in moles per cubic decimetre and time in seconds. What are the units of k? 3) The rate constant for the pseudo first-order acid- catalysed hydrolysis of glucose is 4.07' 10-s. Calculate the half-life for the...
Be sure to answer all parts. The reaction 2A rightarrow B is second order in A...
Be sure to answer all parts. The reaction 2A rightarrow B is second order in A with a rate constant of 32.1 M^-1 s^-1 at 25 degree C. Starting with [A]0 = 0.00779 M, how long will it take for the concentration of A to drop to 0.001803M? s Calculate the half-life of the reaction for [A]_0 = 0.00779 M. s Calculate the half-life of the reaction for [A)0 = 0.00269 M.
9. The reaction 2A → B is second order with a rate constant of 51.0/M·min at...
9. The reaction 2A → B is second order with a rate constant of 51.0/M·min at 24°C. (a) Starting with [A]0 = 9.50 × 10−3M, how long will it take for [A]t = 3.10 × 10−3M? ______ min (b) Calculate the half-life of the reaction. _______ min 10. The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first-order reaction: 4PH3(g) → P4(g) + 6H2(g) The half-life of the reaction is 35.0 s at 680°C. a) Calculate...
Question 6 (18 marks) (a) Given that the rate constant k for the first-order decomposition of...
Question 6 (18 marks) (a) Given that the rate constant k for the first-order decomposition of compound X is 2.65 x 10-9 s', calculate the percentage of compound X that has decomposed in the first 2250 seconds after the reaction begins. (4 marks) (b) Consider the first order reaction: W2 → 2 Y. If [W2]=0.8 M initially and 0.17 M after 160 seconds, what will [W2] be after 350 seconds? (4 marks) (c) Data for the reaction 3A + 5B...
help The thermal decomposition of NOCl is a second-order process, and the rate constant k for...
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The thermal decomposition of NOCl is a second-order process, and the rate constant k for the disappearance of NOCI at 160 °C is 0.0037 Msl. What is the concentration of NOCI, initially at 0.043 M, after 20.0 minutes at 160 °C? (A) 0.00051 M (B) 0.036 M (C) 0.040 M (D) 0.042 M Bismuth-212 undergoes both a decay (35.9%) and B decay (64.1%) with an overall half-life of 60.6 minutes. What is its half-life for a decay? (A) 21.8...
7) The rate constant for the reaction 2N2O5(g) 25°C 4NO2(g) +O2(g) is k = 3.38x10-5/s at...
7) The rate constant for the reaction 2N2O5(g) 25°C 4NO2(g) +O2(g) is k = 3.38x10-5/s at a) Enter the half-life of N20s in seconds. Use two significant figures and do not enter units b) Enter the total pressure in kPa 10 seconds after initiation of the reaction if initially there was 88.3kPa of pure N2O5 vapor. Use two significant figures and do not enter the units c) Enter the total pressure in kPa 10 minutes after initiation of the reaction...
2. Answer the following questions by connecting the half-life of each first-order reaction to the rate...
2. Answer the following questions by connecting the half-life of each first-order reaction to the rate constant. a. The rate constant of a first-order reaction is 2.43 × 10–2 min–1. What is the half-life of the reaction? (2 points) b. A first-order reaction has a rate constant of 0.547 min-1. How long will it take a reactant concentration 0.14 M to decrease to 0.07 M? (2 points) c. The half-life of a first-order reaction is 5.47 min. What is the...
The rate constant for the first-order decomposition of N_2O_5 in the xeactron2 N_2O_5(g) rightarroe 4 NO_2(g)+O_2(g) is k_I = 3.38 times 10^-5 s^-1 at 25 degree C. What is the half-life of N205? What will be the pressure, initially 500 Torr, after 50 20 min after initiation of the reaction?
6. (a) The rate constant for the first-order decomposition of N2Os in the reaction, 2 N2Os(g)-4 NO(g)+0.(g), k-3x10-s at 25°C. What is the half-life of N20s? What will be the pressure, initially 500 bar, at 10 min after initiation of the reaction? (b) Knowing the activation energy of the above reaction is 100 kJ mor', calculate the required reaction temperature at which the reaction rate is doubled. (c) What is the conversion efficiency of N20s at 1 bar and 25...
1) The rate constant for the reaction 2 N,Os(9) = 4 NO (9) + O2(9) is reported in units of sl. What is the overall order of the reaction? 2) The rate law for a reaction was reported as rate=k[A] [B][C] with molar concentrations in moles per cubic decimetre and time in seconds. What are the units of k? 3) The rate constant for the pseudo first-order acid- catalysed hydrolysis of glucose is 4.07' 10-s. Calculate the half-life for the...
Be sure to answer all parts. The reaction 2A rightarrow B is second order in A with a rate constant of 32.1 M^-1 s^-1 at 25 degree C. Starting with [A]0 = 0.00779 M, how long will it take for the concentration of A to drop to 0.001803M? s Calculate the half-life of the reaction for [A]_0 = 0.00779 M. s Calculate the half-life of the reaction for [A)0 = 0.00269 M.
Question 6 (18 marks) (a) Given that the rate constant k for the first-order decomposition of compound X is 2.65 x 10-9 s', calculate the percentage of compound X that has decomposed in the first 2250 seconds after the reaction begins. (4 marks) (b) Consider the first order reaction: W2 → 2 Y. If [W2]=0.8 M initially and 0.17 M after 160 seconds, what will [W2] be after 350 seconds? (4 marks) (c) Data for the reaction 3A + 5B...
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The thermal decomposition of NOCl is a second-order process, and the rate constant k for the disappearance of NOCI at 160 °C is 0.0037 Msl. What is the concentration of NOCI, initially at 0.043 M, after 20.0 minutes at 160 °C? (A) 0.00051 M (B) 0.036 M (C) 0.040 M (D) 0.042 M Bismuth-212 undergoes both a decay (35.9%) and B decay (64.1%) with an overall half-life of 60.6 minutes. What is its half-life for a decay? (A) 21.8...
7) The rate constant for the reaction 2N2O5(g) 25°C 4NO2(g) +O2(g) is k = 3.38x10-5/s at a) Enter the half-life of N20s in seconds. Use two significant figures and do not enter units b) Enter the total pressure in kPa 10 seconds after initiation of the reaction if initially there was 88.3kPa of pure N2O5 vapor. Use two significant figures and do not enter the units c) Enter the total pressure in kPa 10 minutes after initiation of the reaction...
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