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

Chem 103 Lab Exam 3 portage learning| Correctly Answered Chem 103 Lab Exam 3 portage learning| Correctly Answered Chem 103 Lab Exam 3 portage learning| Correctly Answered

Chem 103 Multiple Choice Questions For Final Exam with Complete Solutions 1. **Lemon juice is acidic, which characteristic does this exemplify?** a. Physical property b. Chemical property c. Physical change d. Chemical change **Answer: b. Chemical property** 2. **Which measurement is expressed with four significant figures?** a. 0.00k km b. 3400 K c. 20.10 mL d. 0.350 L **Answer: c. 20.10** 3. **How many significant figures are in the result of the calculation: (4.593 m...

Chem 103 portage learning Lab Exam 3

CHEM 103 Lab Exam 8 – Portage Learning. 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. 3.) 10 mL of cyclohexane

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 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 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 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 ...

CHEM 103 NEW GENERATION FINAL EXAM . Portage Learning Questions with Correct and verified Answers. A+ GRADED. Exam 1-6 EXAM 1 Question 1 1. Convert 1005.3 to exponential form and explain your answer. 2. Convert 4.87 x 10-6 to ordinary form and explain your answer. Answer: 1. Convert 1005.3 = larger than 1 = positive exponent, move decimal 3 places = 1.0053 x 103 2. Convert 4.87 x 10-6 =negative exponent =smaller than 1, move decimal 6 pl...

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 ...