Homework Answers
Overall reaction is determined by adding all the elementary steps
O3 O2 + O
O3 + Cl ClO +
O2
ClO + O Cl + O2
Balanced reaction is
2O3
3O2
( Cl ,O , ClO are reaction intermediate)

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10. A reaction is thought to occur via the on is thought to occur via the following steps. What is the overall chem...
Overall rate In the question below the correct answer is B, how does that show agreement...
Overall rate
In the question below the correct answer is B, how does that
show agreement with the overall reaction which does not have any
concentration of CL present?
Questions 42-44 refer to the following information. When free Cl(g) atoms encounter O(8) molecules in the upper atmosphere, the following reaction mechanism is proposed to occur. Cl(g) +03(g) → C10(g) +02(g) CIO(g) + 03(g) → Cl(g) + 2 O2(g) 203(g) → 302(g) slow step fast step overall reaction AH-285 kJ/mol 42....
For the overall reaction below, which of the following is the correctly written rate law? Overall...
For the overall reaction below, which of the following is the correctly written rate law? Overall reaction: O3(g)+2NO2(g)→N2O5(g)+O2(g) Step 1: O3(g)+NO2(g)→NO3(g)+O2(g) slow Step 2: NO3(g)+NO2(g)→N2O5(g) fast View Available Hint(s) For the overall reaction below, which of the following is the correctly written rate law? Overall reaction: Step 1: slow Step 2: fast A.] Rate=k[O3][NO2]2 B.] Rate=k[O3][NO2] C.] Rate=k[NO3][NO2] D.] Rate=k[O3][NO2]2[N2O5][O2]
The decomposition of gaseous dinitrogen oxide in the presence of Cl2 at high temperatures is thought...
The decomposition of gaseous dinitrogen oxide in the presence of Cl2 at high temperatures is thought to follow the mechanism, Cl2(g) + 2 CI (9) N2O(g) + Cl (g) – N2(g) + CIO(g) 2 CIO(g) - C12(g) + O2(g) In the net overall reaction, the second step occurs twice for each occurrence of the first and third steps. In this mechanism, the catalysts are , and the intermediates are O A. catalysts - Cl2 & Cl; intermediates - CIO O...
Which of the following is a catalyst in the multi-step reaction? 203 --> 302 Step 1:...
Which of the following is a catalyst in the multi-step reaction? 203 --> 302 Step 1: CI + O3 --> O2 + CIO Step 2: 03 --> O2 +O Step 3: CIO +O --> O2 + CI ОАО B.CI OCCIO 03 OD O E 02
2. The following mechanism has been suggested to explain the contribution of chlorofluorocarbons to the destruction...
2. The following mechanism has been suggested to explain the contribution of chlorofluorocarbons to the destruction of the ozone layer: Step 1 Step 2 O3 + CI CIO + O + CIO + O2 CI + O2 a) What is the overall equation for the reaction? (You can use an "=" sign for the arrow for your Moodle Quiz answer for this question. (1) b) Identify any intermediates. [1] c) Identify any catalysts. (1) d) If the first step is...
Atomic chlorine reconstitution may also occur via the single step mechanism shown below. CIO (g) +...
Atomic chlorine reconstitution may also occur via the single step mechanism shown below. CIO (g) + O (g) = CI (g) + O2 (g) What is the rate law for the reaction? O Rate = k[O] Rate = k Rate = k[CIO] Rate = k[CIO][O]
5. The reaction 2NO+ Cl2 → 2NOCI is thought to occur in two steps, as shown...
5. The reaction 2NO+ Cl2 → 2NOCI is thought to occur in two steps, as shown by the following proposed mechanism: O NO + Cl2 NOCI (fast, at equilibrium) (i) NO + NOCI, → 2NOCI (slow) What rate law does this mechanism predict? Select the best choice by circling it. a. rate = ** [NO]?[NOCI] rate = *, [NO]2 C. rate = [NOCL] d. rate = kek [NO](C1,12 rate = [NO] f. rate = kaka [NO]+[C12] g. rate = kak2...
1.) What is the transition state in the following reaction? Cl + O3 ⟶ ClO +...
1.) What is the transition state in the following reaction? Cl + O3 ⟶ ClO + O2 ClO + O ⟶Cl + O2 O3 + O ⟶2O2 (overall reaction) A) Cl B) O3 C) O D) ClO E) O2 2.) What is the catalyst in the following reaction? Cl + O3 ⟶ClO + O2 ClO + O ⟶Cl + O2 O3 + O ⟶2O2 (overall reaction) A) Cl B) O3 C) O D) ClO E) O2
6. The decomposition of gaseous nitryl chloride, NO2Cl, on heating is thought to occur by the...
6. The decomposition of gaseous nitryl chloride, NO2Cl, on heating is thought to occur by the following mechanism: step (1): . Mogl ? NO2 + Cl step (2): CI + O-Cl ? NO2 + Cl2 a. What is the overall reaction? (2 marks) b. Identify any reaction intermediates. (1 mark) c. What is the molecularity of each step? (2 marks) d. Assuming this mechanism is correct, which is the rate-determining step if the experimental rate law is first order in...
References The reaction of NO,(g) and C0(g) is thought to occur in two steps Step 1:...
References The reaction of NO,(g) and C0(g) is thought to occur in two steps Step 1: NO2()+NO,(K) NO()+NO() (low) NO,(8) CO(R) -+NO()+ CO,(a) (East) Step 2: (a) What is the overall stoichiosetric equation coeresponding to this mechanism? (Use the lowest possible whole qumber coefficients. Include states-of-matter in vour answers, Leave any extra answer blanks empty) (b) What is the molecularity of each siep Step 1 O unimolecular O bnolecular O temelecular (Step 2 O unimolecula O bisolecular O temalecela (e)...
Overall rate
In the question below the correct answer is B, how does that
show agreement with the overall reaction which does not have any
concentration of CL present?
Questions 42-44 refer to the following information. When free Cl(g) atoms encounter O(8) molecules in the upper atmosphere, the following reaction mechanism is proposed to occur. Cl(g) +03(g) → C10(g) +02(g) CIO(g) + 03(g) → Cl(g) + 2 O2(g) 203(g) → 302(g) slow step fast step overall reaction AH-285 kJ/mol 42....
The decomposition of gaseous dinitrogen oxide in the presence of Cl2 at high temperatures is thought to follow the mechanism, Cl2(g) + 2 CI (9) N2O(g) + Cl (g) – N2(g) + CIO(g) 2 CIO(g) - C12(g) + O2(g) In the net overall reaction, the second step occurs twice for each occurrence of the first and third steps. In this mechanism, the catalysts are , and the intermediates are O A. catalysts - Cl2 & Cl; intermediates - CIO O...
Which of the following is a catalyst in the multi-step reaction? 203 --> 302 Step 1: CI + O3 --> O2 + CIO Step 2: 03 --> O2 +O Step 3: CIO +O --> O2 + CI ОАО B.CI OCCIO 03 OD O E 02
2. The following mechanism has been suggested to explain the contribution of chlorofluorocarbons to the destruction of the ozone layer: Step 1 Step 2 O3 + CI CIO + O + CIO + O2 CI + O2 a) What is the overall equation for the reaction? (You can use an "=" sign for the arrow for your Moodle Quiz answer for this question. (1) b) Identify any intermediates. [1] c) Identify any catalysts. (1) d) If the first step is...
Atomic chlorine reconstitution may also occur via the single step mechanism shown below. CIO (g) + O (g) = CI (g) + O2 (g) What is the rate law for the reaction? O Rate = k[O] Rate = k Rate = k[CIO] Rate = k[CIO][O]
5. The reaction 2NO+ Cl2 → 2NOCI is thought to occur in two steps, as shown by the following proposed mechanism: O NO + Cl2 NOCI (fast, at equilibrium) (i) NO + NOCI, → 2NOCI (slow) What rate law does this mechanism predict? Select the best choice by circling it. a. rate = ** [NO]?[NOCI] rate = *, [NO]2 C. rate = [NOCL] d. rate = kek [NO](C1,12 rate = [NO] f. rate = kaka [NO]+[C12] g. rate = kak2...
6. The decomposition of gaseous nitryl chloride, NO2Cl, on heating is thought to occur by the following mechanism: step (1): . Mogl ? NO2 + Cl step (2): CI + O-Cl ? NO2 + Cl2 a. What is the overall reaction? (2 marks) b. Identify any reaction intermediates. (1 mark) c. What is the molecularity of each step? (2 marks) d. Assuming this mechanism is correct, which is the rate-determining step if the experimental rate law is first order in...
References The reaction of NO,(g) and C0(g) is thought to occur in two steps Step 1: NO2()+NO,(K) NO()+NO() (low) NO,(8) CO(R) -+NO()+ CO,(a) (East) Step 2: (a) What is the overall stoichiosetric equation coeresponding to this mechanism? (Use the lowest possible whole qumber coefficients. Include states-of-matter in vour answers, Leave any extra answer blanks empty) (b) What is the molecularity of each siep Step 1 O unimolecular O bnolecular O temelecular (Step 2 O unimolecula O bisolecular O temalecela (e)...
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