Chem 104 lab 2 - Study guides, Class notes & Summaries

CHEM 104 MODUDULE 1 (PROBLEM SET WITH LAB) Question 1 Not yet graded / 0 pts PORTAGE LEARNING CHEM 104 2022 Module 1: Problem Set Due No due date Points 0 Questions 18 Time Limit None Take the Quiz Again Attempt History Attempt Time Score LATEST 2O22 Attempt 1 6 minutes * Some questions not yet graded Score for this quiz: 0 out of 0 * Submitted Jun 17 at 2:59pm This attempt took 6 minutes. In the reaction of 0.200 M gaseous N2O5 to yield NO2 gas and O2 gas as shown below:...

1. For lower premolars, the purpose of inclining the handpiece lingually is to, A. Avoid buccal pulp horn B. Avoid lingual pulp horn C. Remove unsupported enamel D. Conserve lingual dentine - ANSWER A. Avoid buccal pulp horn Explanation 1- avoid BUCCAL pulp horn 2- conserve ling. dentine So take A and B if available 2. For an amalgam restoration of a weakened cusp you should, A. reduce cusp by 2mm on a flat base for more resistance B. reduce cusp by 2mm following the outli...

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...

Portage Learning Chem 104: M6 Exam- Requires Respondus LockDown Browser: General Chemistry 2 with Lab

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 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...

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...

Portage Learning CHEM 104 Module 2: Problem Set: General Chemistry 2 with Lab

Portage Learning CHEM 104 Module 4: Problem Set: General Chemistry 2 with Lab

Portage Learning CHEM 104 Module 1: Problem Set: General Chemistry 2 with Lab