Chem 103 exam 1 - Study guides, Class notes & Summaries

CHEM 103 MODULE 1 TO 6 EXAM LATEST 2022-2023 QUESTIONS & CORRECT ANSWERS PORTAGE LEARNING|COMPLETE AGRADE

A uniform combination of two or more pure substances can be classified as _____. Correct Answer-a homogeneous mixture Which of these pure substances is an element? - C12H22O11 (sucrose, table sugar) - O2 - CH4 (methane, the primary component of natural gas) - NH3 (ammonia, a component of fertilizer) Correct Answer-O2 Based on the organization of the periodic table, periods _____. Correct Answer-are the horizontal rows To which group and period does potassium belong? Correct Answer...

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 Exam 1 Questions with Correct Answers.

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 103 Exam 1-6 combined with final exam 2023 Actual questions and answers 100% correct

PORTAGE LEARNING CHEM 103 MODULE 3 EXAM 2022 A reaction between HCl and NaOH is being studied in a styrofoam coffee cup with NO lid and the heat given off 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 amount of heat released in the reaction of HCl with NaOH 1. Heat given off = Exothermic process 2. The amount of heat released = Heat of reaction

CHEM 103 Exam 1-6 Combined with Final Exam 2023 Actual Questions and Answers 100%Correct. 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 places = 0. Question 2 Using the following information, do the conver...

What is an acid? - Answer-solution has an excess of H+ ions What is a base? - Answer-solution has an excess of hydroxyl ions (OH-) What is neutralization? - Answer--process where acid and base are mixed until they become neutral and the PH is 7. What are the two products of a neutralization chemical reaction? - Answer-water and salt ( The type of salt depends on acid or base added to neutralize.) What is a weak acid? - Answer-an acid that only partially ionizes in an aqueous solution. This...