Assuming that each of the following graphs has the same concentration and time a
ID: 950413 • Letter: A
Question
Assuming that each of the following graphs has the same concentration and time arcs, which has the greatest initial rate of disappearance of reactant? Given the following data, determine the order of the reaction with respect to NO(g) 2NO(g) + Cl_2(g) rightarrow 2NOCL(g) fifth fourth third second first The following graph shows the kinetics curves for the reaction of oxygen with hydrogen to form water. N_2(g) + 2O_2(g) rightarrow 2NO_2(g). Which curve is O_2? the dashed curve the gray curve the black curve either the gray or the black curve Any of these curves could be O_2. For the rate law Rate = k[A]^2 [B], the partial order with respect to A is the partial order with respect to B is and the total order is 2, 0, 2 1, 2, 3 2, 1, 3 1, 0, 1 1, 1/2, 1.5 The following figure shows catalyzed and uncatalyzed reaction paths. Which of the reaction paths shows the best effect of a catalyst? the blue line 'A' the black line 'B' the purple line 'C' the red line 'D' the green line 'E' The second-order reaction A + B rightarrow C will obey pseudo first-order kiinetics when the concentrations of A and B are both small. the concentration of C is large. a catalyst changes the mechanism to a first-order reaction. the concentrations of A and B are both large. the concentration of one of the reactants is large and does not change.Explanation / Answer
7. Answer is D
8. Answer is D
Comparing eq. (1) and (2), if we decrease the concentration of [NO] by half, rate of the reaction decreases by ¼ times.
So( ½)2 = ¼
SO, its second order with respect to [NO].
9. There is some error in question; it is hydrogen in place of nitrogen and H2O in place of NO2.
Answer is D.
10. Answer is C. (2,1,3)
11. . Answer is A.
Since a catalyst decreases the activation energy.
12. . Answer is E.
Defination of pseudo first order reaction.