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

CHEM 103 Lab Exam 8 – Portage Learning. The unit “m” stands for _______ in this experiment. 2. (4 points) 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.

CHEM 103 Module 1 to 6 Exam Questions and Answers (Portage Learning) Convert 845.3 to exponential form and explain your answer. 2. Convert 3.21 x 10-5 to ordinary form and explain your answer. 1.Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places = 8.453 x 102 2.Convert 3.21 x 10-5 = negative exponent = smaller than 1, move decimal 5 places = 0. Question 2 Click this link to access the Periodic Table. This may be helpful throughout the exam. Using the following info...

CHEM 103 Module 1 Exam, CHEM 103 Module 2 Exam, CHEM 103 Module 3 Exam, CHEM 103 Module 4 Exam, CHEM 103 Module 5 Exam, CHEM 103 Module 6 Exam (Latest-2022): Portage Learning |Verified Q & A| CHEM103 Module 1 Exam, CHEM103 Module 2 Exam, CHEM103 Module 3 Exam, CHEM 103 Module 4 Exam, CHEM 103 Module 5 Exam, CHEM 103 Module 6 Exam (Latest-2022): Portage Learning |Verified Q & A| CHEM 103 Module 1, 2, 3, 4, 5, 6 Exam (Latest-2022)/ CHEM103 Module 1, 2, 3, 4, 5, 6 Exam: General Chemistry II: ...

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 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

How many Cl atoms are present in an HFC molecule? correct answersZero How many H atoms are present in a CFC molecule? correct answersZero How many H atoms are present in an HCFC molecule? correct answersat least One Most of the light used in tanning beds is classified as: correct answersUV-A light Data collected on a flight over Antarctica showed that the concentration of ozone had an inverse relationship to the concentration of chlorine (see notes). This one set of data means that: ...

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 ...

General Chem 103 Module 4 Exam (Latest Update) Questions and Answers (100 OUT OF 100)

Addition reaction correct answersaddition of a molecule across a double bond Hydrolosis correct answersbreaking apart a molecule from addition of water Substitution reaction correct answersone or more atoms in a molecule are replaced with another atom or group of atoms hydration reaction correct answerswater is added to an alkene condensation correct answers2 molecules coming together and releasing a small molecule (typically water) oxidation-reduction correct answersoxidation: ad...