Chem 103 lab exam 2 - Study guides, Class notes & Summaries

A reaction which gives off heat is said to be exothermic . Answer 1: Answer 2: 2. A decomposition reaction has more products than reactants. exothermic Correct! decomposition Correct! Question 2 10 / 10 pts Answer 1: Fill in the blanks: The reaction of AgNO with Cu is a single displacement type reaction. During the reaction of AgNO with Cu a blue (color) solution and black/gray (color) solid are formed. 3 3 single displacement Correct! Answer 2: Answer 3: blue Correct! black/gr...

CHEM 103 Lab Exam 8 Questions and Answers | Latest Update 2023/2024 (Portage Learning) EXAM ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES ANSWERS GRADED A+

CHEM 103 Lab Exam 2 (100 out of 100) Questions and Answers (100% Guaranteed Pass) Portage Learning.

CHEM 103 Lab Exam 8 Questions and Answers | Latest Update 2023/2024 (Portage Learning) EXAM ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES ANSWERS GRADED A+

CHEM 103 Lab Exam 2 – Portage Learning. A reaction which gives off heat is said to be exothermic . Answer 1: Answer 2:

CHEM 103 Lab Exam 2 – Portage Learning. A decomposition reaction has more products than reactants. exothermic Correct! decomposition

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 5 Review Question 1 8 / 10 pts 1. (2 points) In the Boyle’s law experiment, what pressure unit was used to gauge the pressure? 2. (2 points) According to Boyle’s law, as the volume of a gas increases, 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 increased to 19.6psi. Show the calculation. Your Answer: Millimeters of mercu...

CHEM 103 Lab Exam 3 – Portage Learning. A 1.1000 gram hydrate sample chosen from Na2CO3∙10H2O, AlCl3∙6H2O, MgCl2∙6H2O and BaCl2∙2H2O was heated and found to lose 0.5841 gram of H2O. (1) Show the calculation of the % H2O in the unknown hydrate sample. (2) Show the calculation of the % H2O in each of the hydrate compounds and identify the unknown hydrate from the list. Atomic weights: H = 1.008, O = 16.00. MWs: Na2CO3∙10H2O = 286.15, AlCl3∙6H2O = 241.43, MgCl2∙6H2O = 203.301 ...

The _____ of a chemical reaction refers to the rate of the reaction. kinetics List the four factors that control kinetics of a chemical reaction. The nature of the reaction itself, the concentration of the reactants, the temperature, and the presence of a catalysts What color is the permanganate? purple What color is the oxalate solution? colorless What color change do you see in the rate of reaction lab when monitoring the chemical reaction between the oxalate an...