4.00 140 1.6 120 -4.25 1.4 100 1.2 -4 50 80 1.0 4.75 0.8 60 0.6 -5.00 o1 2 3 Time (s x10 2. 3. 15 6. Time (s) X 10' Time (sx to Which of the following graphs, 1st. 2nd, or 3rd shows a correctly graphed data set for a second order reaction? 3rd 1st none of these O2nd

ConstaEIThe taIDTE OT data collected for the reaction A → Products. Determine the magnitude (value) of the reaction rate constant by graphing the data appropriately. Time (s) [A] (M) 0.00 0.600 0.50 0.325 1.00 0.178 1.50 0.095 2.00 0.050 2.50 0.028 3.00 0.015 3.50 0.008 4.00 0.004

Q1

The following data were obtained for the reaction below at 25.0 °C. 2 NO(g) + O2(g) → 2 NO2(g) Trial 1 2 3 Initial Reactant Concentration (M) [NO] 0.030 0.030 0.060 [0₂] 0.0055 0.0110 0.0055 Initial Rate (M/s) 8.55 x 10-3 1.71 x 10-² 3.42 x 10-² Using the rate law you determined previously, calculate the initial rate for an experiment in which the initial concentration of NO is 0.100 M and O₂ is 0.050 M. Round your answer to 2 sig figs and include your units in your answer.

4.

A kinetics experiment was conducted based on the reaction: 2NO + H2 - N20 + H20 Use the following data from the experiment to determine the rate law for the reaction. Expt. # Initial rate 1.46 M/min INO]. [H:]0 1 0.021 0.065 2 0.021 0.260 1.46 M/min 3 0.042 0.065 5.84 M/min rate = k[NO] 2[H 2) 2 rate = k[NO] rate = k[NO] 2[H 2] rate = k[NO][H 2] rate = k[NO] 2

For the reaction A → products, concentration and time data were collected. Enter these data into the graphing tool to determine the reaction order. t Graphing Tool 0.0 25.0 50.0 73.0 [A] 3.40 2.28 1.53 1.02 In[A] 1.223775 0.824175 0.425268 0.019803 Clear All Data 1/[A] 0.294118 0.438596 0.653595 0.980392 [A] 3.4 2.822 2.244 1.666 1.088 0.51 [A] vs. t to 0 14.6 t (s) 0.0 25.0 50.0 75.0 In[A] vs. t 29.2 t 43.8 1/[A] vs. t 58.4 [A] (M) 3.40 2.28 1.53 1.02 73

Q1. Which of the following reactions will be the fastest to be complete? Q2. Discuss each factors that will affect the rate of reaction to receive full points. Factors Reaction #1 Reaction #2 Reaction #3 Reactant 5 M 5 M 5 M Concentration Surface Area Small Large Large Temperature 25 °C 35 °C 20 °C Catalysts Yes Yes No

tab lock atrol D esc Question 14 Based on the initial-rate data below, which is the magnitude (units omitted) for the specific-rate constant for this reaction? Rate (M/s) 1.3 x 10-7 5.2 x 10-7 1.0 x 10-6 [HgCl2] (M) [C2042-] (M) 0.10 0.10 0.10 0.20 0.20 0.20 O 5.2 x 10-6 O 1.3 x 104 O 1.3 x 10-5 O 2.0 x 10-7 Question 15 ! An chemical reaction has specific-rate constant 1.10 x 104 s¹ at 470 C. How many hours are required for a 0.335 M solution to decrea to 0.051 M? 1 O A B Ā N @ 2 W S X 2 option command w # E D DS 4 C R TI % 5 V 2 T G > A 6 MacBook Pro CO B Y 4) & 7 H U N 00 8 J - M ( 9 K O ) O < H 5 L P command

Find the rate law equation and the value of k.