Chem 103 lab exam 4 Study guides, Class notes & Summaries

CHEM 103 Lab Exam 4 – Portage Learning. 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 substance. If the amount of substance is doubled, then the heat doubles. Other propertie...

Chem 103 Lab Exam 4 portage learning| Correctly Answered Chem 103 Lab Exam 4 portage learning| Correctly Answered Chem 103 Lab Exam 4 portage learning| Correctly Answered

CHEM 103 Lab Exam 1 – Portage Learning. What device is used to smother small fires? 1.) beaker 2.) glass is strong combat things like acid and other kinds of harsh stuff. It is neutral with most lab chemicals. 3.) tongs. 4.) watch glass

CHEM 103 Lab Exam 4 (100 out of 100) Questions and Verified Answers (Portage Learning)

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 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

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 substance. If the amount of substance is d...

CHEM 103 Lab Exam 4 (LATEST UPDATE) Questions and Verified Answers (Portage Learning)

CHEM 103 Lab Exam 4 (100 out of 100) Questions and Verified Answers (Portage Learning) | New Update 2024