Heterogeneous mixture - Study guides, Class notes & Summaries

CHEM 121 FINAL EXAM | Updated Questions and Answers Updated (2024 / 2025) - PORTAGE LEARNING Do the three conversions shown below, showing all work: 1. 328 K = ? oC 2. 76oC = ? oF 3. 135oF = ? K Your Answer: 1 - 328 - 273 = 55 C 2 - (76x 1.8) + 32 = 168.8 F 3 - (135 - 32) / 1.8 = 57.2 C + 273 = 330.2 K 1. 328K - 273 = 55 oC K → oC (make smaller) -273 2. 76oC x 1.8 + 32 = 168.8 oF oC → oF (make larger) x 1.8 + 32 3. 135oF - 32 ÷ 1.8 = 57.2 + 273 = 330.2 K oF → oC →K Question ...

Straighterline Chemistry Final Exam Test Questions And Answers. What is the term used for findings that are summarized based on a pattern or trend? a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - Answer a. Law Which of the following is a tentative explanation for a set of observations? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction - Answer b. Hypothesis If a liquid contains 60% sugar and 40% water throughout its composition then what is it calle...

Chem 103 Module 1 to 6 Exam answers Portage learning latest complete 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 = smaller than 1, move decimal...

QMAP – Colorado Questions and Answers Graded A+ 1 cc = ___ ml 1 ml 5 cc 1 tsp = ___ cc AC before meals PC after meals BID twice a day TID three times a day QID four times a day HS bedtime (hours of sleep) PO by mouth Q every QD every day QH every hour Q6H every six hours QOD every other day DC discontinue mg milligram cc cubic centimeter ml milliliter Gm gram G gram kg kilogram tsp teaspoon Tbsp tablespoon oz ounce mEq milliequivalent ophth ophthalmic otic ear OU bot...

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 = 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. ...

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...

Test Bank for General Organic and Biological Chemistry 4th Edition General, Organic, and Biological Chemistry, 4e (Frost) Chapter 1 Chemistry Basics — Matter and Measurement 1.1 Multiple Choice Questions 1) Which of the following is an example of a heterogeneous mixture? A) Sugar water B) Trail mix C) Air D) Vodka Answer: B Diff: 1 Section: 1-1 Global: G1 LO: 1.1 2) Which of the following is a pure substance? A) Sugar B) Sand C) Gold D) Maple syrup Answer: C Diff: 1 Sectio...

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...

The Second Law of Thermodynamics states that in order to transfer heat from a colder substance to a hotter substance, _________ must be supplied. Select one: a. Internal energy. b. External work. c. Intense energy. d. Mechanical refrigeration. e. Physical labour. Correct Answer-B Which one of the following methods is a method of ensuring uniform steam distribution in steam coils? Select one: a. Installation of distributing plates within the steam header b. Controlling the face veloci...

STRAIGHTERLINE CHEMISTRY FINAL EXAM 2024 WITH 100% CORRECT ANSWERS findings that are summarized based on a pattern or trend - correct answer Law tentative explanation for a set of observations - correct answer Hypothesis If a liquid contains 60% sugar and 40% water throughout its composition then what is it called? - correct answer Homogeneous mixture does not have a uniform composition throughout - correct answer Heterogeneous mixture represents a physical change? - correct answe...