Which arrow (A, B, C, D, E, or F) represents the energy of the transition state?

Question

Which arrow (A, B, C, D, E, or F) represents the energy of the transition state? Is the reaction exothermic or endothermic? For the reaction 2MoC1_5 + 5Na_2S rightarrow 2MoS_2 + 10 NaCl + S, MoCl_5 disappears at a rate of 0.500 mol/s under certain conditions. What is the rate of disappearance of Na_2S, in mol/s, under these same conditions? Enter your answer to the hundredths place. **Questions 5-6 refer to the reaction equation and data given below** NO_2(g) + CO(g) rightarrow NO(g) + CO_2(g) Determine the order(0, 1, or 2) with respect to NO_2. Determine the order (0, 1, or 2) with respect to CO.

Explanation / Answer

change of concentration follows as below where change in concentration is divided by their stiochiomety
-MoCl5/2 = -Na2S/5 = MoS2/2 = NaCl/10 = S/1

-MoCl5 = .5 mol/s
and -MoCl5/2 = -Na2S/5
-Na2S = .5/2 * 5 =2.5/2 = 1.25 mols/s

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