Homework Answers
order w.r.t NO
r1/r2 = (a1/a2)^x
(2*10^16/(1.8*10^17)) = ((1*10^18/3*10^18)^x
x = 2
order w.r.t O2
(r1/r3) = (a1/a3)^x(a1/a3)^y
(2*10^16/(3.13*10^17)) = ((1*10^18)/(2.5*10^18))^2*((1*10^18)/(2.5*10^18))^y
y = 1
rate = k[NO]^2[O2]^1
k = rate / [NO]^2[O2]^1
k = 2*10^16/((1*10^18)^2*1*10^18)
= 2*10^-38 molecules^-2*cm2*s-1
initial rate = k[NO]^2[O2]^1
= (2*10^-38)*(9.5*10^18)^2*(7.65*10^18)
= 1.38*10^19 molecules.cm-1*s-1
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The reaction 2NO(g)+0(9)2NO,(g) was studied, and the following data were obtained where Al02) Rate= At NO...
The reaction 2NO(g) + O2(g) + 2NO2(g) was studied, and the following data were obtained where...
The reaction 2NO(g) + O2(g) + 2NO2(g) was studied, and the following data were obtained where A[02] Rate At [NO). [02] Initial Rate (molecules/cm) (molecules/cm) (molecules/cms) 1.00 x 1018 3.00 x 1018 2.50 x 1018 1.00 x 1018 1.00 x 1018 2.50 x 1018 2.00 x 1016 1.80 x 1017 3.13 x 1017 What would be the initial rate for an experiment where [NO], = 1.24 x 1018 molecules/cm and [02], = 7.50 x 1018 molecules/cm'? molecules/cm. Rate = -S
2. Good question. The reaction 2NO(g) + O2(g) → 2NO.(g) was studied by a CHEM 154...
2. Good question. The reaction 2NO(g) + O2(g) → 2NO.(g) was studied by a CHEM 154 student and the following data were obtained for the rate of consumption of oxygen. Write the rate law for this reaction. What would be the initial rate for an experiment where [NO), = 1.03 x 10-mol/L and [O),= 1.22 x 102 mol/L? Expt. [NO], (M) (01. (M) Initial rate (M/s) 1 1.66 x 10-3 1.66 x 10-3 3.32 x 10-5 2 4.98 x 10-...
The reaction 2N0(g) + C12(g) --+2NOCl(g) was studied at 1o°C. The following results were obtained where...
The reaction 2N0(g) + C12(g) --+2NOCl(g) was studied at 1o°C. The following results were obtained where Δ[C12] Rate Initial Rate (mol/L-min) INOlo (mol/L) [Clalo (mol/L 0.10 0.10 0.20 0.10 0.20 0.20 0.18 0.36 1.45 a. What is the rate law? b. What is the value of the rate constant? (2) The rate law for the reaction at some temperature is: NOBr a. If the half-life for this reaction is 2.00 s when [NOBro 0.900 M, calculate the value of k...
The reaction 2NO(g) + Cl2(9) - 2NOCI(9) was studied at a constant temperature and the following...
The reaction 2NO(g) + Cl2(9) - 2NOCI(9) was studied at a constant temperature and the following results were obtained. 2.3 [NO]initial (Cilinitial Initial rate (M/min) 0.44 M 0.21 M 0.44 M 0.42 M 0.88 M 0.42 M 4.6 Rate is defined as the change in (CI) over time. Part 1: What is the order of the reaction with respect to NO? 2 Submit OK Part 2: What is the order of the reaction with respect to Cl? 1 Submit OK...
it's asking for the rate constant pr The reaction pt 2NO(9) + Cl2(g) + 2NOCI(9) pr...
it's asking for the rate constant
pr The reaction pt 2NO(9) + Cl2(g) + 2NOCI(9) pr was studied at -10°C. The following results were obtained where pt pt Rate = A[Cl] At pt pt [NO], (mol/L) 0.060 0.060 0.12 (Cl2], (mol/L) 0.060 0.12 0.12 Initial Rate (mol/L min) 0.039 0.078 0.311 1 pt 1 pt
4. Suppose the following data is obtained for the reaction: 2NO(g)+2H2(g) → N2(g)+2H20(g) [NO] [Hz] Rate...
4. Suppose the following data is obtained for the reaction: 2NO(g)+2H2(g) → N2(g)+2H20(g) [NO] [Hz] Rate (mol L 54) 0.1 0.1 1.4 x 10-4 0.2 0.1 5.6 x 10-4 0.1 0.2 2.8 x 10-4 Determine the rate law for the reaction
1. The rate of the reaction (8) + NO2(g) → NO(g) + O2(g) was studied at...
1. The rate of the reaction (8) + NO2(g) → NO(g) + O2(g) was studied at a certain temperature. (a) In the first set of experiments, NO2 was in large excess, at a concentration of 1.0 x 10'3 molecules/cm with the following data collected: Time (s) [O] (atoms/cm) O 5.0 x 10' 1.0 x 102 1.9 x 10° 2.0 x 102 6.8 x 108 3.0 x 10-2 2.5 x 108 What is the order of the reaction with respect to...
The following data were collected for the rate of disappearance ofNO in the reaction 2NO(g) +...
The following data were collected for the rate of disappearance ofNO in the reaction 2NO(g) + O2 --> 2NO2(g) : Experiment [NO] (M) [O2] (M) Initial Rate (M/s) 1 0.0126 0.0125 1.41 x 10-2 2 0.0252 0.0125 5.64 x 10-2 3 0.0252 0.0250 1.13 x 10 -1 (a) What is the rate law for the reaciton? (B) What are teh unitsof the rate constant? (c) What is the average value of the rateconstant calculated form teh three data sets? (d)...
Initial rate data is given in the table for the following reaction. 2NO(g) +0,(g) + 2NO,(8)...
Initial rate data is given in the table for the following reaction. 2NO(g) +0,(g) + 2NO,(8) Experiment (NO) initia, (M) olinitial (M) Rate (M/s) 0.420 0.460 0.206 2 0.840 0.460 0.824 3 / 0.420 0.920 0.412 4 0.420 0.230 0.103 What is the rate law for the reaction? Orate = k[NO][02] Orate = k[NO]”[02] rate = k[NO] rate = k[NO]{0,12
*Question Completion Status: a) For the reaction O2 (9) + 2NO(9) -... 2NO2 (g) Experiments were...
*Question Completion Status: a) For the reaction O2 (9) + 2NO(9) -... 2NO2 (g) Experiments were carried out to find out how the rate of the reaction depend on the concentrations of the reactants. The results were surrirarized in the following table. Experiment Initial Rate (mol/l.) 3.21 x 10 1 2 6.40 x 10 Initial Reactant Concentrations (mol/L) [0] [NO 1.10 x 10 1.30 x 10 2.20 x 100 1.30 x 100 1.10 x 10 2.60 x 10 1.30 x...
The reaction 2NO(g) + O2(g) + 2NO2(g) was studied, and the following data were obtained where A[02] Rate At [NO). [02] Initial Rate (molecules/cm) (molecules/cm) (molecules/cms) 1.00 x 1018 3.00 x 1018 2.50 x 1018 1.00 x 1018 1.00 x 1018 2.50 x 1018 2.00 x 1016 1.80 x 1017 3.13 x 1017 What would be the initial rate for an experiment where [NO], = 1.24 x 1018 molecules/cm and [02], = 7.50 x 1018 molecules/cm'? molecules/cm. Rate = -S
2. Good question. The reaction 2NO(g) + O2(g) → 2NO.(g) was studied by a CHEM 154 student and the following data were obtained for the rate of consumption of oxygen. Write the rate law for this reaction. What would be the initial rate for an experiment where [NO), = 1.03 x 10-mol/L and [O),= 1.22 x 102 mol/L? Expt. [NO], (M) (01. (M) Initial rate (M/s) 1 1.66 x 10-3 1.66 x 10-3 3.32 x 10-5 2 4.98 x 10-...
The reaction 2N0(g) + C12(g) --+2NOCl(g) was studied at 1o°C. The following results were obtained where Δ[C12] Rate Initial Rate (mol/L-min) INOlo (mol/L) [Clalo (mol/L 0.10 0.10 0.20 0.10 0.20 0.20 0.18 0.36 1.45 a. What is the rate law? b. What is the value of the rate constant? (2) The rate law for the reaction at some temperature is: NOBr a. If the half-life for this reaction is 2.00 s when [NOBro 0.900 M, calculate the value of k...
The reaction 2NO(g) + Cl2(9) - 2NOCI(9) was studied at a constant temperature and the following results were obtained. 2.3 [NO]initial (Cilinitial Initial rate (M/min) 0.44 M 0.21 M 0.44 M 0.42 M 0.88 M 0.42 M 4.6 Rate is defined as the change in (CI) over time. Part 1: What is the order of the reaction with respect to NO? 2 Submit OK Part 2: What is the order of the reaction with respect to Cl? 1 Submit OK...
it's asking for the rate constant
pr The reaction pt 2NO(9) + Cl2(g) + 2NOCI(9) pr was studied at -10°C. The following results were obtained where pt pt Rate = A[Cl] At pt pt [NO], (mol/L) 0.060 0.060 0.12 (Cl2], (mol/L) 0.060 0.12 0.12 Initial Rate (mol/L min) 0.039 0.078 0.311 1 pt 1 pt
4. Suppose the following data is obtained for the reaction: 2NO(g)+2H2(g) → N2(g)+2H20(g) [NO] [Hz] Rate (mol L 54) 0.1 0.1 1.4 x 10-4 0.2 0.1 5.6 x 10-4 0.1 0.2 2.8 x 10-4 Determine the rate law for the reaction
1. The rate of the reaction (8) + NO2(g) → NO(g) + O2(g) was studied at a certain temperature. (a) In the first set of experiments, NO2 was in large excess, at a concentration of 1.0 x 10'3 molecules/cm with the following data collected: Time (s) [O] (atoms/cm) O 5.0 x 10' 1.0 x 102 1.9 x 10° 2.0 x 102 6.8 x 108 3.0 x 10-2 2.5 x 108 What is the order of the reaction with respect to...
Initial rate data is given in the table for the following reaction. 2NO(g) +0,(g) + 2NO,(8) Experiment (NO) initia, (M) olinitial (M) Rate (M/s) 0.420 0.460 0.206 2 0.840 0.460 0.824 3 / 0.420 0.920 0.412 4 0.420 0.230 0.103 What is the rate law for the reaction? Orate = k[NO][02] Orate = k[NO]”[02] rate = k[NO] rate = k[NO]{0,12
*Question Completion Status: a) For the reaction O2 (9) + 2NO(9) -... 2NO2 (g) Experiments were carried out to find out how the rate of the reaction depend on the concentrations of the reactants. The results were surrirarized in the following table. Experiment Initial Rate (mol/l.) 3.21 x 10 1 2 6.40 x 10 Initial Reactant Concentrations (mol/L) [0] [NO 1.10 x 10 1.30 x 10 2.20 x 100 1.30 x 100 1.10 x 10 2.60 x 10 1.30 x...
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