Consider the gas-phase reaction: H2(g) + 12(g) → 2 HI(g) The reaction was experimentally determined to be first order in H₂ and first order in 12. Consider the proposed mechanisms. Mechanism 1: H2(g) + 2(g) 2 HI(g) single step Mechanism 2: 12(g)1 21(g) fast k-1 H2 + 21 → 2 HI(g) slow K2 *Draw energy diagrams for the mechanisms shown: Show that both of the proposed mechanisms are valid.

Consider the following mechanism for the oxidation of carbon monoxide:

The decomposition reaction of ammonia gas (NH3) into hydrogen gas (H2) and nitrogen (N2) with a Pt catalyst is a zero order reaction at a temperature of 1130 K (i) rate of reaction = rate constant,(ii) reaction rate depends on ammonia concentration,(iii) the rate of decomposition of ammonia becomes constant when the ammonia has completely reacted,(iv) an increase in gas pressure will change the rate of the reaction. A. (ii) and (iv)B. (i) and (ii)C. (i), (ii) and (iii)D. (ii), (iii) and (iv)E. (i), (iii) and (iv)

A chemical reaction is characterized by the following experimental data: SO₂Cl2 → SO2 + Cl₂ [SO₂Cl₂] Time (mol L-¹) (min) 0.1000 0 0.0876 1.00 x 10² 0.0768 2.00 x 10² 3.00 x 10² 4.00 x 10² 5.00 x 10² 0.0673 0.0590 0.0517 6.00 x 10² 7.00 x 10² 8.00 x 10² 9.00 x 10² 1.000 x 10³ 0.0234 1.100 x 10³ 0.0453 0.0397 0.0348 0.0305 0.0267 First, graphically determine the instantaneous rate of decomposition of [SO₂Cl₂] using the tangent to the curve. Use scientific notation, e.g.enter 2E3 for 2000. Enter your answer with one significant figure. The decomposition rate: (A) at 200 min: i (B) at 600 min: i M/min M/min

Consider the mechanism. 2 A = B В +С — D Step 1: equilibrium Step 2: slow Overall: 2A +С — D Determine the rate law for the overall reaction, where the overall rate constant is represented as k. rate =

The gas phase decomposition of sulfuryl chloride at 600 K SO₂ Cl₂ (g) → SO₂ (g)+ Cl₂ (g) is first order in SO₂ Cl2 with a rate constant of 2.80 × 10-³ min-¹. If the initial concentration of SO₂ Cl2 is 0.00164 M, the concentration of SO₂ Cl2 will be 0.000364 M after min have passed.

Consider the overall reaction 2A + B ⇌ 2C(g) with proposed mechanism for this reaction: A + B ⇌ C + D (slow) A+D ⇌ C (fast)What is the rate law for this proposed mechanism?

Writing the rate law implied by a simple mechanism with an initial slow... Suppose the formation of nitryl fluoride proceeds by the following mechanism: elementary reaction step 1 NO₂ (g) +F₂ (g) 2 k₁ k₂ 2 F (g) + NO₂(g) → NO₂F (g) Suppose also k₁ « k₂. That is, the first step is much slower than the second. Write the balanced chemical equation for the overall chemical reaction. Write the experimentally- observable rate law for the overall chemical reaction. NO₂F (g) +F (g) Note: your answer should not contain the concentrations of any intermediates. rate constant rate = k 0+ 00 X Ś

Consider the following mechanism for the formation of nitrogen dioxide: 2 NO(g) N2O2(g) (1) N,O2(9) + O2(9) → 2 NO2(g) (2) Write the chemical equation of the overall reaction: yes 0,0,.. Are there any intermediates in this mechanism? no ? If there are intermediates, write down their chemical formulas. Put a comma between each chemical formula, if there's more than one.

Suppose the formation of nitrogen dioxide proceeds by the following mechanism: elementary reaction 2NO (g) → N₂O₂ (g) step 1 2 N₂O₂(g) + O₂ (g) Write the balanced chemical equation for the overall chemical reaction. Write the experimentally- observable rate law for the overall chemical reaction. 2NO₂ (g) Suppose also k₁ « k₂. That is, the first step is much slower than the second. << Note: your answer should not contain the concentrations of any intermediates. rate constant 0 k₁ k₂ rate = k 1-0 010 X S