Chem 121 module 3 exam Study guides, Revision notes & Summaries

MODULE 7 ORGANIC CHEMISTRY - PORTAGE LEARNING CHEM 121 EXAM ACTUAL QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE 2024/2025 organic chemistry study of all compounds containing carbon Hydrocarbons the simplest organic materials, containing only the elements hydrogen and carbon aliphatic hydrocarbon A hydrocarbon with carbon atoms joined together in straight or branched chains. Not aromatic. aromatic hydrocarbons hydrocarbons that contain one or more benzene rings 3 types of...

CHEM 121 Module 1 Exam Questions and Answers - Portage Learning. Complete the two problems below: 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. 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 places = 0. Question 2 You may find the following resources helpful: Scientific Calculator (Links t...

CHEM 121 Module 3 Exam Questions and Answers- Portage 2024/2025/CHEM 121 Module 3 Exam Questions and Answers- Portage 2024/2025

CHEM 121 MODULE 3 EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED GRADED A+ combined gas law (definition and when to use) the relationship between the pressure, volume, and temperature of a fixed amount of gas. describes the behavior of a gas when its temp or pressure is changed and should be used to do problems in which 2 pressures, volumes, or temperatures are given combined gas law (equation) P1V1/T1=P2V2/T2 volume (units) for combined gas law units of liters (mL/1000) pressure ...

CHEM 121: MODULE 8 PORTAGE LEARNING EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE 2024 What is biochemistry? The study of materials found in living systems and the reactions in which they are involved in. What are four biochemicals? Carbohydrates, proteins, lipids or nucleic acids. _________ which are also called sugars are used as _________ by living systems. Carbohydrates, fuels List the 3 classes of carbohydrates. monosaccharides, disaccharides, polysac...

CHEM 121 MODULE 4 EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE Bonds (chemistry) group of negatively charged valence electrons between the atoms that is simultaneously attracted by the positively charged nuclei of both atoms. (energy is released in the bond forming exothermic reaction) nonpolar covalent bond a covalent bond in which the electrons are shared equally by the two atoms single covalent bond a bond formed when two atoms share a pair of electrons double cova...

MODULE 6 CHEM 121 PORTAGE LEARNING EXAM QUESTIONS WITH COMPLETE VERIFIED ANSWERS acid - a compound whose formula begins with H but also contains a nonmetal or polyatomic group - HCl, H2S, H2SO, HNO3, & HC2H3O2 - the H of an acid can be lost (to another material) as a H+ ion (proton) in a chemical reaction, so acids are called H+ ion (proton) donors base - a compound whose formula ends with OH but also contains metal - NaOH, KOH, & Ca(OH)2, not C2H5OH (ethel alcohol) - the OH= ion of...