Question textConsider the reaction coordinate diagram: This reaction is Answer 1 Question 2[select: , exothermic, endothermic] How many steps are there in this reaction? Answer 2 Question 2[input] Which is the rate-determining step of this reaction? Answer 3 Question 2[input] [enter a number ONLY] How many intermediates are there in this reaction? Answer 4 Question 2[input] How many transition states are there in this reaction? Answer 5 Question 2[input]多项填空题

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Question textThe overall reaction of decomposition of hydrogen peroxide: 2 H2O2 (aq) → 2 H2O (l) + O2 (g) The proposed mechanism: Step 1  H2O2 (aq) + I− (aq) → H2O (l) + IO− (aq) k1 Step 2  H2O2 (aq) + IO− (aq) → H2O (l) + I− (aq) + O2 (g) k2 Consider the role of the iodide ion (I−) It Answer 1 Question 7[select: , does, does not] appear in the mechanism. It appears as a 'reactant' in the Answer 2 Question 7[select: , first, second] step. It Answer 3 Question 7[select: , does, does not] affect the reaction rate. It leads to the formation of an intermediate and Answer 4 Question 7[select: , is, is not] regenerated at the end of the reaction. It is a Answer 5 Question 7[select: , reactant, catalyst, transition state, intermediate, product] Check Question 7

A proposed reaction mechanism is given below. Give the overall (i.e. chemical) equation for this reaction. A + A ---> A2                          (slow) A2 + B ---> C + D                    (fast) C + B ---> E + D                      (fast)

Name the Supreme Court decision that removed financial constraints on PACs.

Political scientists Joshua Kalla and David Broockman find that senior policy makers made themselves available to _____ between three and four times more often than they did to constituents.

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