Chem 104 experiment 1 Study guides, Class notes & Summaries

CHEM 104 Experiment 7 Organic Synthesis - Portage Learning Purpose: The purpose of this lab was to determine the process of synthesizing various carboncontaining organic products including aspirin, urea, & salicylic acid. In doing so, we were also able to calculate the percent yield in each of these experiments. Procedure: Part 1: Synthesis of aspirin 1. Placed 2.0 g of salicylic acid & placed it in a flask 2. 5.0 mL of acetic anhydride was then added to the flask & mixed 3. 5 drops of sulfuric...

CHEM 102 Winter 12 Exam 2 (A) Questions and Answers Potentially useful information: First order half-life: t1/2 = ln2 / k [A]t = - kt + [A]o ln[A]t = - kt + ln[A]o 1/[A]t = kt +1/[A]o 1. Please choose the letter “a” as your answer for this question. 2. Which choice is an example of an amorphous solid? a. NaCl b. graphite c. iron d. diamond e. glass 3. Which choice is an example of an ionic solid? a. NaCl b. diamond c. iron d. quartz e. glass 4. In body-centered cubi...

CHEM 102 Winter 12 Exam 2 (A) Questions and Answers Potentially useful information: First order half-life: t1/2 = ln2 / k [A]t = - kt + [A]o ln[A]t = - kt + ln[A]o 1/[A]t = kt +1/[A]o 1. Please choose the letter “a” as your answer for this question. 2. Which choice is an example of an amorphous solid? a. NaCl b. graphite c. iron d. diamond e. glass 3. Which choice is an example of an ionic solid? a. NaCl b. diamond c. iron d. quartz e. glass 4. In body-centered cubi...

CHEM 102 Winter 18 Final Exam (A) Questions and Answers Potentially useful data: x  1 atm = 760 torr = 760 mm Hg 2 a [A]t = – kt + [A]o ΔG° = ΔH° – T ΔS° ln[A]t = – kt + ln[A]o ΔG = ΔG° + RT ln Q 1/[A]t = kt +1/[A]o ΔG° = – RT ln K First order half-life: t1/2 = ln2 / k ΔG° = – nFE° pH  pKa  log base acid  E  E  R T ln Q n F R = 8.314 J mol-1 K-1 F = 96500 C/mol e- 1. Please choose the letter “A” as your a...

Chem 104 Module 1 -Module 6 Exam (elaborations) Module 1: Question 1 In the reaction of gaseous N2 O5 to yield NO2 gas and O2 gas as shown below, the following data table is obtained: 2 N2 O5 (g) → 4 NO2 (g) + O2 (g) Data Table #2 Time (sec) [N2 O5 ] [O2 ] 0 0.300 M 0 300 0.272 M 0.014 M 600 0.224 M 0.038 M 900 0.204 M 0.048 M 1200 0.186 M 0.057 M 1800 0.156 M 0.072 M 2400 0.134 M 0.083 M 3000 0.120 M 0.090 M 1. Using the [O2 ] data from the table, show the calculation of the instantaneous ra...

1. How many electrons can an s subshell hold? 2 2. How many electrons can a p subshell hold? 6 3. How many electrons can a d subshell hold? 10 4. Which subshells are available in the first energy level? 5. Which subshells are available in the second en- ergy level? 6. Which subshells are available in the third energy level? s s and p s, p and d 7. What is Hund's rule? (Think bus seats!) Every orbital in a sub- shell must be singly filled with an electron before any one orbital can be d...

CHEM 133 LESSON 7 QUIZ AND ANSWERS LESSON 7 QUIZ Question 1 of 25 4.0/ 4.0 Points Consider a sample of gas in a container on a comfortable spring day. The Celsius temperature suddenly doubles, and you transfer the gas to a container with twice the volume of the first container. If the original pressure was 12 atm, what is a good estimate for the new pressure? A. 5.5 atm B. 12 atm C. 3 atm D. 6.4 atm E. 15 atm Feedback: See Chapter 09 Question 2 of 25 4.0/ 4.0 Points A gas sa...

CHEM 104, MODULE 1- 6 Exams. Latest Update 2022/2024(Portage Learning).100% Correct Answers, Calculations& Explanations. Graded A+. (Pass Guarantee) Module 1: 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 NO2 (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] da...

Chem 104 Final Practice Test Questions And Answers Verified What are the three primary particles found in an atom? - electron, neutron, and proton Which of the following best represents the autoionization, or self-ionization, of water? - 2H2O(l) ARROW H3O+(aq) + OH-(aq) What are the two principal classes of bonding called? - Ionic and Covalent What do the dots in a Lewis symbol represent? - Valence Electrons What is always a characteristic of a solution that c...

PORTAGE LEARNING CHEM 104 Module 1: Problem Set Due No due date Points 0 Questions 18 Time Limit None Take the Quiz Again Question 1 Not yet graded / 0 pts 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] Attempt History Attempt Time Score LATEST 2O22 Attempt 1 6 minutes * Some que...