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)

The implementation and loading phase of the Database Life Cycle (DBLC) involves _____.

Question textComplete the following protocol table for setting up your standard curve for protein. Remember, each of your standards, except the reagent blank, will be prepared in duplicate in the lab (i..e, you will make up each of these standards twice), giving you 11 standards. When filling in your answers, be careful with your formatting and note the following requirements: for all entries of concentrations, volumes and amounts in this table, include two decimal places (e.g. '1.5') for any decimal numbers less than one, make sure you precede the decimal point with the number zero (i.e. type in '0.2'; not '.2' without the zero) [table] Standard | Concentration of BSA standard | Volume of 20 mg/mL BSA stock solution required (mL) | Volume of 0.05 M NaOH diluent required (mL) | Amount of BSA present (mg) | Volume (mL) 1(reagent blank) | 0 | Answer 1 Question 6 | Answer 2 Question 6 | Answer 3 Question 6 | 0.8 2 | 4 | Answer 4 Question 6 | Answer 5 Question 6 | Answer 6 Question 6 | 0.8 3 | 8 | Answer 7 Question 6 | Answer 8 Question 6 | Answer 9 Question 6 | 0.8 4 | 12 | Answer 10 Question 6 | Answer 11 Question 6 | Answer 12 Question 6 | 0.8 5 | 16 | Answer 13 Question 6 | Answer 14 Question 6 | Answer 15 Question 6 | 0.8 6 | 20 | Answer 16 Question 6 | Answer 17 Question 6 | Answer 18 Question 6 | 0.8 [/table]

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