Chem 103 lab exam 3 Study guides, Class notes & Summaries

CHEM 103 Lab Exam 5 – Portage Learning. According to Boyle’s law, as the volume of a gas decreases, the pressure _________. 3. (6 points) A sample of gas occupies a volume of 10.5 L when the pressure is 14.3 psi. Use Boyle’s Law to calculate the volume (L) when the pressure is decreased to 12.8psi. Show the calculation. Answer: 1. A syringe was used, and the volume was read from the graduation markings.

CHEM 103 Lab Exam 4 – Portage Learning. How much heat was gained by the tap water if the specific heat of water is 4.18 J/K-g? 2. (3 points) In one experiment in the video, HCl was mixed with another substance. What other substance was mixed with HCl? 3. (4 points) One student conducts an acid-base reaction where he finds the following results. What is the enthalpy of the reaction (in KJ/mol)? Heat gained by solution 3875 J

CHEM 103 Lab Exam 4 – Portage Learning. What does it mean that the heat of a reaction is an extensive property? 2. (3 points) Does the following reaction give off heat or absorb heat? Explain briefly. C D H = +263Kcal/mol 3. (4 points) In one experiment in the video, room temperature water was mixed with water at about 38 degrees. To what temperature (about) did the mixture of the two water samples come to after setting for a few minutes? Answer: 1. The heat depends on the amount of s...

CHEM 103 Lab Exam 5 – Portage Learning. In the Boyle’s law experiment, how was the volume of gas at different pressures determined? 2. (2 points) According to Boyle’s law, as the volume of a gas decreases, the pressure _________. 3. (6 points) A sample of gas occupies a volume of 10.5 L when the pressure is 14.3 psi. Use Boyle’s Law to calculate the volume (L) when the pressure is decreased to 12.8psi. Show the calculation. Answer: 1. A syringe was used, and the volume was read f...

NURS 6531 FINAL EXAM STUDY GUIDE NURS 6531 FINAL EXAM STUDY GUIDE PLEASE DO NOT SHARE IN THE GROUP AS A POST. EVERY MEMBER WHO HAS CONTRIBUTED HAS RECEIVED A COPY. THOSE WHO HAVE NOT CONTRIBUTED THEIR ASSIGNED PORTIONS HAVE BEEN EXCLUDED. Still waiting for: 79. Severe depression 80. GAD When I receive these topics, I will post them in the group and you can just copy them and paste them into the study guide. If these topics are not received by next weekend, I will t...

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...

ATLS Case Scenario CDEM Self Study Modules Approach to Trauma APPROVED BY: DEM Curriculum Home The Approach To... Specific Diseases DIEM Cases Downloads ML's Blog The Approach to Trauma WRITTEN BY: NICHOLAS E. KMAN, MD THE OHIO STATE UNIVERSITY EDITED BY: DAVID MANTHEY, MD WAKE FOREST MEDICAL SCHOOL Trauma is the leading cause of death in the first four decades of life in most developed countries. To this end, there are more than 5 million trauma-related deaths each year worldwide....

ATLS Case Scenario CDEM Self Study Modules Approach to Trauma APPROVED BY: DEM Curriculum Home The Approach To... Specific Diseases DIEM Cases Downloads ML's Blog The Approach to Trauma WRITTEN BY: NICHOLAS E. KMAN, MD THE OHIO STATE UNIVERSITY EDITED BY: DAVID MANTHEY, MD WAKE FOREST MEDICAL SCHOOL Trauma is the leading cause of death in the first four decades of life in most developed countries. To this end, there are more than 5 million traumarelated deaths each year worldwide....

CHEM 103 Exam 2 2021. Show the calculation of the molecular weight for the following compounds, reporting your answer to 2 places after the decimal. 1. Al (SO ) 2. C H NOBr 2 4 3 7 5 1. Al (SO ) Al = 2 x 26.98 = 53.96 S = 3 x 32.07 = 96.21 O = 12 x 16.00 = 192 2 4 3 6/29/2021 M2: Exam - Requires Respondus LockDown Browser + Webcam: General Chemistry I w/Lab-2021- Kozminski Total Molecular Weight for Al (SO ) = 342.17 2. C H NOBr C = 7 x 12.01 = 84.07 H = 5 x 1.008 = 5.04 N = 1 x...