Chem 103

CHEM 103 Final Exam with complete solution

CHEM 103 Portage Learning 2023 Exam 1-6 Final LATEST

Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning

CHEM 103 Lab experiment 4 : Thermochemistry (Portage learning) Purpose: All chemical reactions result in some heat change. Heat changes are important not only in the laboratory but also in everyday life. Procedure: We looked at a basic combustion chemical reaction of methane plus water with a combustion reaction which produced Carbon dioxide and water: CH₄ (g) + 2o2 (g) Co2(g) + 2H2O(e) ΔH= -212.8kcal (Exothemic) CaCo3 CaO + CO2 ΔH = +42.4 Kcal (Endothermic energy coming in) Reverse: ...

CHEM 103 Exam CHEM 103 Portage Learning 1-6 Final Exam Latest update Questions and Correct Answers graded A+

CHEM 103 MODULE 1 EXAM 2022 QUESTIONS AND ANSWERS BEST FOR 2023 EXAM

CHEM 103 FINAL EXAM VERIFIED QUESTIONS AND ANSWERS 2023

Exam 1-6 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 conversions shown below, showing all work: 1 ft = 12 inches 1 pound = 16 oz 1 gallon = 4 quarts 1 mile ...

Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update)

What is chemistry? correct answersChemistry is the study of the physical and compositional changes of matter. Chemistry is called the Central Science. Many health related areas of study are based on Chemistry. Matter correct answersMatter is anything that has mass, occupies space and is made-up of atoms or parts of atoms. Mass correct answers-Mass is a measure of the amount of matter in an object. -Mass is independent of the location of an object. -An object on the earth has the ...