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

NH4Cl is being dissolved in water and this process is being studied in a styrofoam coffee cup with NO 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. Answer: 1. NO lid = open system 2. Heat absorbed = Endothermic process Question 2 Not yet graded / 10 pts You may find the following resources helpful: Scientific Calculator Periodic Table Equation Table Links to an ext...

Portage Learning – CHEM 103 MODULE 3 Exam

CHEM 103 Module 1 to 6 Exam Questions and Answers (Portage Learning) 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 = smaller than 1, move decimal 5 places = 0. Question 2 Click this link to access the Periodic Table. This may be helpful throughout the exam. Using the following info...

CHEM 103 Module 1 to 6 Exam Questions and Answers (Portage Learning) Show the calculation of the mass of a 18.6 ml sample of freon with density of 1.49 g/ml 2. Show the calculation of the density of crude oil if 26.3 g occupies 30.5 ml. 1. M = D x V = 1.49 x 18.6 = 27.7 g 2. D = M / V = 26.3 / 30.5 = 0.862 g/ml Question 5 Click this link to access the Periodic Table. This may be helpful throughout the exam. 1. 3.0600 contains ? significant figures. 2. 0.0151 contains ? significant figu...

Portage Learning – CHEM 103 MODULE 3 Exam A reaction between HCl and NaOH is being studied in a styrofoam coffee cup with a 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.

BIOD 151 :CHEM 103 MODULE 3 EXAM TEST WITH CORRECT ANSWERS Answer the following clinical case scenario: 1. Your patient was injured in a house fire. The skin sustained damage through the epidermis, dermis, hypodermis, and some muscle tissue. 1- What degree of burn best describes your patient’s injury? 2- Would your patient experience pain in the injured area? Why or why not? -4th degree -No, fourth-degree burns damage the epidermis, the dermis, the hypodermis, and underlying tissue su...

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...

PORTAGE LEARNING CHEM 103 MODULE 3 EXAM WITH ANSWERS LATEST UPDATE

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 ...

CHEM 103 Module 3 Exam with Answers – Portage Learning. A reaction between HCl and NaOH is being studied in a styrofoam coffee cup with a 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 calorimeter and mixture of HCl + NaOH Your Answer: 1. The type of thermochemical process is an acid base reaction or neutralization reaction...