CHEMISTRY 104 (CHEMISTRY104)

Chem 104 M1 -M6 Exam 20232024 Graded A+ Questions and Answers (Verified Answers)

Question 1 In the reaction of gaseous N2O5 to yield NO2 gas and O2 gas as shown below, the following data table is obtained: → 4 NO 2 (g) + O2 (g) 1. Using the [O2] data from the table, show the calculation of the instantaneous rate early in the reaction (0 secs to 300 sec). 2. Using the [O2] data from the table, show the calculation of the instantaneous rate late in the reaction (2400 secs to 3000 secs). 3. Explain the relative values of the early instantaneous rate and the late inst...

Question 1 In the reaction of 0.200 M gaseous N2O5 to yield NO2 gas and O2 gas as shown below: 2 N2O5 (g) → 4 NO2 (g) + O2 (g) the following data table is obtained: Time (sec) [N2O5] [O2] 0 0.200 M 0 300 0.180 M 0.010 M 600 0.019 M 900 0.146 M 0.027 M 1200 0.132 M 0.034 M 1800 0.110 M 0.045 M 2400 0.096 M 0.052 M 3000 0.092 M 0.054 M (a) Use the [O2] data from the table to calculate the average rate over the measured time interval from 0 to 3000 secs. (b) Use the [O2] data from...

Show the calculation of the molar solubility (mol/L) of Mg(OH)2, Ksp of Mg(OH)2 = 1.8 x 10-11 . Your Answer: ksp= [ M g + 2 ] [ O H − ] 2 = (s ) (2s) 2 s 3 = 1.8 x 10 − 11 / 4 s= 3 ( 1.8 x 10 − 11 4 ) s= 1.65 x 10 − 4 mol/L Mg(OH)2 (s) Mg+2 (aq) + 2 OH-1 (aq) (s) (s) (2s) 1.8 x 10-11 = [Mg+2] x [OH-1] 2 1.8 x 10-11 = [s] x [2s]2 This study source was downloaded by from CourseH on 01-19-2023 14:22:00 GMT -06:00 1.8 x 10-11 = 4 s3 s = 1.65 x 10-4 mol/L Format exponent...

M3: Exam Question 1 9 / 10 pts Click this link to access the Periodic Table. This may be helpful throughout the exam. Show the calculation of the molar solubility (mol/L) of Mg(OH)2, Ksp of Mg(OH)2 = 1.8 x 10-11 . Your Answer: ksp= [ M g + 2 ] [ O H − ] 2 = (s ) (2s) 2 s 3 = 1.8 x 10 − 11 / 4 s= 3 ( 1.8 x 10 − 11 4 ) s= 1.65 x 10 − 4 mol/L Mg(OH)2 (s) Mg+2 (aq) + 2 OH-1 (aq) (s) (s) (2s) 1.8 x 10-11 = [Mg+2] x [OH-1] 2 1.8 x 10-11 = [s] x [2s]2 This study source was do...

M2: Exam- Requires Respondus LockDown Browser  Due No due date  Points 100  Questions 10  Time Limit 120 Minutes  Requires Respondus LockDown Browser Attempt History Attempt Time Score LATEST Attempt 1 89 minutes 87 out of 100 Score for this quiz: 87 out of 100 Submitted Dec 12, 2019 at 4:43pm This attempt took 89 minutes. Question 1 9 / 10 pts Click this link to access the Periodic Table. This may be helpful throughout the exam. Identify each of the compounds belo...

Nicole Surman Experiment 3: Titrations and Titration Analyses Title: Titrations and Titration Analyses Purpose: The purpose of this lab is to analyze Neutralization titrations, titrations between an acid and a base. Procedures: The following titrations were conducted in this experiment; strong acid/strong base, weak acid/strong base and strong acid/weak base. In order to perform a titration, a known and unknown material must be present. Determine M of sodium hydroxide by titrating agains...

Nicole Surman Experiment 3: Titrations and Titration Analyses Title: Titrations and Titration Analyses Purpose: The purpose of this lab is to analyze Neutralization titrations, titrations between an acid and a base. Procedures: The following titrations were conducted in this experiment; strong acid/strong base, weak acid/strong base and strong acid/weak base. In order to perform a titration, a known and unknown material must be present. Determine M of sodium hydroxide by titrating agains...

M2: Exam- Requires Respondus LockDown Browser  Due No due date  Points 100  Questions 10  Time Limit 120 Minutes  Requires Respondus LockDown Browser Attempt History Attempt Time Score LATEST Attempt 1 89 minutes 87 out of 100 Score for this quiz: 87 out of 100 Submitted Dec 12, 2019 at 4:43pm This attempt took 89 minutes. Question 1 9 / 10 pts Click this link to access the Periodic Table. This may be helpful throughout the exam. Identify each of the compounds belo...