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10th grade chem 13. Given the following reaction mechanism, what is the catalyst and what is...
11) Given the following data: N2 +20(g) + 2NOZ 2NO + O2(g) → 2NO2 AHxn= 66kJ AHrxn= -114k) What is the AH for the reaction: N2+ O2(g) → 2N0| 11) Given the following data: N2 +2O2(g) → 2NOZ 2NO + O2(g) → 2N02 AHıxn= 66kJ AHrxn= -114k] What is the AH for the reaction: N2+ O2(g) → 2NO 11) Given the following data: N2 +20_18) + 2NO2 2NO + O2(g) → 2NOZ AHxn= 66kJ AHx= -114k] What is the AH...
9. The reaction 2NO +O2 → 2NO2 is believed to occur by the following mechanism: 2NO ↔ N2O2 N2O2 + O2 → 2 NO2 a. Assume N2O2 to be in a steady state and derive the rate equation for the overall reaction. b. Under what condition does the rate equation reduce to second order kinetics in NO and first order kinetics in O2 at the same time?
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4. The following mechanism has been proposed for a reaction: Step 1 H2(g) + Step 2 O(g) + O2(g) H2(g) → O(g) H2O(g) + H2O(g) → (a) What is the equation for the overall reaction? (b) What are the expected rate laws for Step 1 and Step 2? Step 1 - Step 2 (c) What if any intermediates are there? (d) If step 1 is slow and step 2 is...
Name Wkst #16 CHEM& 162 1. Consider the following proposed reaction mechanism. 12 = 21 1 + O₂ → 10₂ + 0 0+ 03 - 202 1 +10, -12 + O2 A. What is the overall reaction? B. What are the intermediates and catalysts? Intermediates: Catalysts: C. If the first step is in equilibrium and the second step is slow. what is the overall rate law? Remember, intermediates cannot appear in the final rate law! Rate = D. On the...
19. For the reaction 2NO + O2 + 2NO2 the following reaction mechanism have been suggested; step1: NO + NO NZOZ Fast step 2: N2O2 + O2 k2, 2NO2 Slow and the apparent rate law was found to be R = kes [NO]? What would be the estimated effective activation energy, Eel, value, if the activation energies for forward and backward reactions in step 1 are 82 kJ mol- and 205 kJ mol', respectively, and the activation energy of step...
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Using the Hess' law to calculate the enthalpy (kJ) of the reaction of the following reaction 2502 (g) + O2(g) → 2503 (g) by using the two given reactions below 25 (s) + 302 (g) → 2503 (g) AH = -790 kJ S (s) + O2 (g) → SO2(g) AH = -297 kJ 196 O-543 1087 0-1384 0-196
A proposed mechanism for a reaction is as follows: NO2(g) + NO2(g) + N204(8) Fast/Equilibrium Step N2048) -> NO(g) + NO3(g) Slow NO3(g) NO) + O2(g) Fast The target rate law is rate = k (NO2)2 The target reaction is 2NO2(e) 2NON + O2) A. Write the rate law expected for this mechanism: B. What is the rate-determining step? C. What is the overall balanced equation for this mechanism? D. If there is/are a reactive intermediate(s), which is/are they? E....
Given the standard enthalpy changes for the following two reactions: (1) N2(g) + O2(9)— 2NO(g) AH = 181.8 kJ (2) N2(g) +202(9)—2NO29) AH° = 66.4 kJ what is the standard enthalpy change for the reaction: (3) 2NO(g) + O2(9) *2NO2(9) AH° = ? Submit Answer
Identify the catalyst and intermediate in the following multi-step mechanism: step 1: Br+O3 -> BrO+ O2 step 2: BrO + O3 -> Br +2O2 a. There is no catalyst or intermediate in the above reaction b. Catalyst: O2 Intermediate: O3 c. Catalyst: BrO∙ Intermediate: Br∙ d. Catalyst: O3 Intermediate: O2 e. Catalyst: Br∙ Intermediate BrO
Recitation Exercise 9 CHEM 1411 Name Partners Instructor Day of Week 1. Given the equations: N2(g) + O2(g) → 2NO(g) AH = +180.7 kJ 2NO(g) + O2(g) → 2NO2(g) AH =-113.1 kJ 2N20(g) → 2N2(g) + O2(g) AH = -163.2 kJ Calculate the change in enthalpy for the reaction: N2O(g) + NO2(g) → NO(g) 2. An electron in a carbon atom makes a transition from n=2 to n=3. a) Does this transition require energy or emit energy? b) Can you...