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6 (a) N2Os decomposes in the gas phase by the reaction: 2 N2Os (g)4 NO2 (g)+02 (g) At 25°C, a sample of gaseous N2Os sh...
* 100%- 6 (a) NOs decomposes in the gas phase by the reaction: 2 N2Os (g)...
* 100%- 6 (a) NOs decomposes in the gas phase by the reaction: 2 N2Os (g) 4 NO2 (9)+ 02 (9) At 25'C, a sample of gaseous N,O, showed the following dependence of concentration on time: IN2Os/(mmol dm-3) 8.0 4.3 2.3 1.20 0.64 Time/h 10 15 20 (0 Determine the order of reaction by plotting an appropriate graph. (i) Determine the rate constant for this reaction. () Find the concentration of NO2 after 25 h [5 marks] [2 marks] 12...
Gaseous NO2 decomposes when heated: 2 NO2 (g) → 2 NO (g) + O2 (g) The...
Gaseous NO2 decomposes when heated: 2 NO2 (g) → 2 NO (g) + O2 (g) The disappearance of NO2 is a first-order reaction with k = 3.6 x 10-3 s-1 at 300 ºC. If a sample of gaseous NO2 is placed in a flask and heated at 300 ºC for 150 s, what fraction of the initial sample remains after this time?
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...
PIOS 4. Dintrogen pentoxide, N205, decomposes as shown below: 2 N205 (g) ---> 4 NO2(g) +...
PIOS 4. Dintrogen pentoxide, N205, decomposes as shown below: 2 N205 (g) ---> 4 NO2(g) + O2(g) The reaction is first order and a plot of the concentration of N2O5 as a function time for an experiment at 55 °C is shown below. What are (i) the half-life: and (ii) the rate constant for reaction at 55 °C? [N205) vs time 0.0200 LE 0.015 (N205 0.010 0.005 O 100 200 300 400 500 600 700 timers 5. A possible mechanism...
en pentaxide NOx decomposes as shown below: 2 N2O () - 4 NO2(g) + O2 ()...
en pentaxide NOx decomposes as shown below: 2 N2O () - 4 NO2(g) + O2 () he reaction is first onder and of the concentration of experimental 55 C is shown below. What are (1) the half-c. reaction at 55 C e concentration of N205 as a function time for an the half-life; and (ii) the rate constant for IN 205] vs time 0.020 0.015 ERASER Peniel POLYME IsoN 0.005 0 100 200 300 400 500 600 700 time/s
I don't know how to reach the answer for (b) which is and need help with (a) and (c) as well. A gas phase reaction...
I don't know how to reach the
answer for (b) which is and need help with (a) and (c)
as well.
A gas phase reaction proceeded by way of two parallel first order reactions as shown below: i) CH,CООН — СHa + CO2 ii Н,С-С-0 + H-0 CH,COОН In an experiment conducted at 450 °C the concentration of acetic acid was followed as а) a function of time. Describe how to use the data collected to find the rate constant...
In a study of the gas phase decomposition of hydrogen peroxide at 400 °C H202(g H20(g)+02(2...
In a study of the gas phase decomposition of hydrogen peroxide at 400 °C H202(g H20(g)+02(2 the concentration of H202 was followed as a function of time. It was found that a graph of 1/H,02l versus time in seconds gave a straight line with a slope of 1.01 Mr' s1 and a y-intercept of 7.19 M1 Based on this plot, the reaction i?-- order in lH,0, and the rate constant for the reaction is M'?1. zero first second
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...
For the gas phase decomposition of dinitrogen pentoxide at 335 K 2 N205 4 NO2 +...
For the gas phase decomposition of dinitrogen pentoxide at 335 K 2 N205 4 NO2 + O2 the following data have been obtained: 0.173 [N2O3], M time, s 9.75x10-2 122 5.50x10-2 244 3.10x102 366 Ms! The average rate of disappearance of N,Os over the time period from t=0 stot - 122 sis Submit Answer Retry Entire Group 9 more group attempts remaining For the gas phase decomposition of hydrogen iodide at 700 K 2 HI -H2 +12 the following data...
Question 3 (6+4 = 10 marks) The five reactions below make up the mechanism for a gas-phase reaction Cl2(g)2 Cl (g) Cl (...
Question 3 (6+4 = 10 marks) The five reactions below make up the mechanism for a gas-phase reaction Cl2(g)2 Cl (g) Cl (g)H2 (g) -- H(g) +HCI(g) H (g)C2(g) - Cl-(g) Cl (g) a b Cl(g) Cl2(g) HCI (g) H(g) Describe each step as either an 'initiation', 'propagation' or *termination' step. Give the overall stoichiometric reaction
Question 3 (6+4 = 10 marks) The five reactions below make up the mechanism for a gas-phase reaction Cl2(g)2 Cl (g) Cl (g)H2 (g)...
* 100%- 6 (a) NOs decomposes in the gas phase by the reaction: 2 N2Os (g) 4 NO2 (9)+ 02 (9) At 25'C, a sample of gaseous N,O, showed the following dependence of concentration on time: IN2Os/(mmol dm-3) 8.0 4.3 2.3 1.20 0.64 Time/h 10 15 20 (0 Determine the order of reaction by plotting an appropriate graph. (i) Determine the rate constant for this reaction. () Find the concentration of NO2 after 25 h [5 marks] [2 marks] 12...
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...
PIOS 4. Dintrogen pentoxide, N205, decomposes as shown below: 2 N205 (g) ---> 4 NO2(g) + O2(g) The reaction is first order and a plot of the concentration of N2O5 as a function time for an experiment at 55 °C is shown below. What are (i) the half-life: and (ii) the rate constant for reaction at 55 °C? [N205) vs time 0.0200 LE 0.015 (N205 0.010 0.005 O 100 200 300 400 500 600 700 timers 5. A possible mechanism...
en pentaxide NOx decomposes as shown below: 2 N2O () - 4 NO2(g) + O2 () he reaction is first onder and of the concentration of experimental 55 C is shown below. What are (1) the half-c. reaction at 55 C e concentration of N205 as a function time for an the half-life; and (ii) the rate constant for IN 205] vs time 0.020 0.015 ERASER Peniel POLYME IsoN 0.005 0 100 200 300 400 500 600 700 time/s
I don't know how to reach the
answer for (b) which is and need help with (a) and (c)
as well.
A gas phase reaction proceeded by way of two parallel first order reactions as shown below: i) CH,CООН — СHa + CO2 ii Н,С-С-0 + H-0 CH,COОН In an experiment conducted at 450 °C the concentration of acetic acid was followed as а) a function of time. Describe how to use the data collected to find the rate constant...
In a study of the gas phase decomposition of hydrogen peroxide at 400 °C H202(g H20(g)+02(2 the concentration of H202 was followed as a function of time. It was found that a graph of 1/H,02l versus time in seconds gave a straight line with a slope of 1.01 Mr' s1 and a y-intercept of 7.19 M1 Based on this plot, the reaction i?-- order in lH,0, and the rate constant for the reaction is M'?1. zero first second
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...
For the gas phase decomposition of dinitrogen pentoxide at 335 K 2 N205 4 NO2 + O2 the following data have been obtained: 0.173 [N2O3], M time, s 9.75x10-2 122 5.50x10-2 244 3.10x102 366 Ms! The average rate of disappearance of N,Os over the time period from t=0 stot - 122 sis Submit Answer Retry Entire Group 9 more group attempts remaining For the gas phase decomposition of hydrogen iodide at 700 K 2 HI -H2 +12 the following data...
Question 3 (6+4 = 10 marks) The five reactions below make up the mechanism for a gas-phase reaction Cl2(g)2 Cl (g) Cl (g)H2 (g) -- H(g) +HCI(g) H (g)C2(g) - Cl-(g) Cl (g) a b Cl(g) Cl2(g) HCI (g) H(g) Describe each step as either an 'initiation', 'propagation' or *termination' step. Give the overall stoichiometric reaction
Question 3 (6+4 = 10 marks) The five reactions below make up the mechanism for a gas-phase reaction Cl2(g)2 Cl (g) Cl (g)H2 (g)...
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