CHEM 1 Study guides, Class notes & Summaries

what is a major difference between organic and inorganic compounds? correct answer: organic contain carbon what is the reason why there are so many organic compounds? correct answer: carbon atoms can form stable covalent bonds with other carbon atoms the vast number of organic compounds is due to the unique chemistry of carbon. this chemistry involves correct answer: formation of long chains& isomerism Which applies to the manner in which carbon bonds in alkanes? correct answer: the...

1. A solution is prepared by dissolving 50 g of KCl (74.6 g/mol) to a volume of 1 L. What is the molarity of this solution? 2. You prepare a solution by dissolving 20 g of NaCl to a volume of 350 mL in water. What is the mass/volume % concentration of this solution? 3. When the following reaction goes in the forward direction, what is the base? 4. You are preparing a buffered solution. So far, your solution contains H2PO4- ions, what would you add to this solution to prepare your buffer sy...

CHEM 120 Final Exam 1. (TCO 8) 35.0 mL of 0.25 M NaOH is neutralized by 23.6 mL of an HCl solution. The molarity of the HCl solution is (show your work): (Points : 5) 2. (TCO 1) How many mL are in 3.5 pints? Show your work. (Points : 5) 3. (TCO 3) What is the name of the following compound: Zn3P2? (Points : 5)

Chem 103 Module 1 to 6 Exam answers Portage learning ( A+ GRADED 100% VERIFIED)

Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update) MODULE 1 EXAM Question 1 Click this link to access the Periodic Table. This may be helpful throughout the exam. 1. 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 = smalle...

PORTAGE LEARNING CHEM 104 MODULE 1 –MODULE 6 EXAM

CHEM 104 Module 1 Exam, CHEM 104 Module 2 Exam, CHEM 104 Module 3 Exam, CHEM 104 Module 4 Exam, CHEM 104 Module 5 Exam, CHEM 104 Module 6 Exam (Latest-2023): Portage Learning |100% Correct Q & A| CHEM104 Module 1 Exam, CHEM104 Module 2 Exam, CHEM104 Module 3 Exam, CHEM 104 Module 4 Exam, CHEM 104 Module 5 Exam, CHEM 104 Module 6 Exam (Latest-2023): Portage Learning |100% Correct Q & A| CHEM 104 Module 1, 2, 3, 4, 5, 6 Exam (Latest-2023)/ CHEM104 Module 1, 2, 3, 4, 5, 6 Exam: General Chemis...

CHEM 104 Final Exam QUESTIONS & ANSWERS 2023 ( A+ GRADED 100% VERIFIED)

CHEM 103 Module 3 Exam Portage Learning 2023. NH4Cl is being dissolved in water and this process is being studied in a styrofoam coffee cup with a lid and the heat absorbed is measured by means of a thermometer immersed in the reaction mixture. Enter the correct thermochemistry term to describe the item listed. 1. The type of thermochemical process 2. The air above the cup Your Answer: 1) endothermic 2) Surroundings 1. Heat absorbed = Endothermic process 2. The air above the cup = Surro...