Chem 103 chemistry Study guides, Class notes & Summaries

CHEM 103 Chemistry Lab Report 3 (100% Correct Answers) Portage Learning

CHEM 103 Lab Exam 2 – Portage Learning. 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

CHEM 103 Lab Exam 8 – Portage Learning. Why was warming data used for estimating the freezing/melting point of the cyclohexane? 3. (3 points) How much of the cyclohexane solvent was placed in the test? 1.) molarity 2.) It is considered reliable. It is a dependable predicator of the freezing/melting point of a substnace. it can determine the temperatures when the change occurs.

CHEM 103 Module 1 to 6 Exam Questions and Answers (Portage Learning) Show the calculation of the mass of a 18.6 ml sample of freon with density of 1.49 g/ml 2. Show the calculation of the density of crude oil if 26.3 g occupies 30.5 ml. 1. M = D x V = 1.49 x 18.6 = 27.7 g 2. D = M / V = 26.3 / 30.5 = 0.862 g/ml Question 5 Click this link to access the Periodic Table. This may be helpful throughout the exam. 1. 3.0600 contains ? significant figures. 2. 0.0151 contains ? significant figu...

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

CHEM 103 Module 1 to 6 Exam Questions and Answers (Portage Learning) Using the following information, do the conversions shown below, showing all work: 1 ft = 12 inches 1 pound = 16 oz 1 gallon = 4 quarts 1 mile = 5280 feet 1 ton = 2000 pounds 1 quart = 2 pints kilo (= 1000) milli (= 1/1000) centi (= 1/100) deci (= 1/10) 1. 24.6 grams = ? kg 2. 6.3 ft = ? inches 1. 24.6 grams x 1 kg / 1000 g = 0.0246 kg 2. 6.3 ft x 12 in / 1 ft = 75.6 inches please always use the correct units in your ...

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