Chem 101 Study guides, Class notes & Summaries

STRAIGHTERLINE CHEM 101 GENERAL CHEMISTRY GRADED EXAM

ORU CHEM 101 FINAL Question and answers 100% correct 2023/2024Chapter 1 - correct answer Quiz Chemistry is the study of ______ - correct answer Matter and transformation of matter Which of the following is an example of something with kinetic energy? - correct answer A ball falling through the air Which of the following temperatures is not possible - correct answer -200 K Which of the following best describes temperature? - correct answer Temperature is the measure of the average amo...

Straighterline chem 101 exam 1 with questions and answers.Question 1 Correct 4.60 points out of 4.60 Flag question Question text What is the term used for findings that are summarized based on a pattern or trend? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction Feedback The correct answer is: Law Question 2 Correct 4.60 points out of 4.60 Flag question Question text What is a unifying principle that explains a body of experimental observations? Select one...

CHEM 101 - Exam 1 Review Concepts Chapters 1-4. Questions and answers latest update

CHEM 101-Straighterline Exam 1 Questions with Certified Solutions A substance in which the atoms or molecules are free to move relative to one another. It always assumes the shape and volume of its container. gas A substance in which the atoms or molecules pack closer than a gas, but are still able to freely move relative to one another. It exhibits a fixed volume, but not a fixed shape. liquid A substance in which the atoms or molecules are fixed at a specific position. It exhibits ...

Which of these compounds is a weak electrolyte? Select one: a. HCl b. NH3 c. C6H12O6 (glucose) d. N2 e. KCl Question 2 Correct 4.60 points out of 4.60 Remove flag Question text What volume of water must be added to 300 mL of 0.75 M HCl to dilute the solution to 0.25 M? Select one: a. 900 mL b. 600 mL c. 300 mL d. 930 mL e. 100 mL Question 3 Correct 4.60 points out of 4.60 Flag question Question text The substance HClO4 is considered to be Select one: a. a weak acid. b...

CHEM 101 WRITTEN EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+CHEM 101 WRITTEN EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+CHEM 101 WRITTEN EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+

STRAIGHTERLINE CHEM 101 GENERAL CHEMISTRY GRADED EXAM 6 2023 What is ΔS° for the following reaction? SiCl4(g) + 2Mg(s) → 2MgCl2(s) + Si(s) Substance SiCl4(g) Mg(s) MgCl2(s) Si(s) S°(J/K • mol) 330.73 32.68 89.62 18.83 Question text A spontaneous endothermic reaction always Select one: b. bursts into flame. c. requires a spark to initiate it. d. releases heat to the surroundings. Ozone (O3) in the atmosphere can react with ni...

Question 1 Which of the following setups would convert centimeters to feet? A) cm × × B) cm × × C) cm × × D) cm × × Question 2 The distance between carbon atoms in ethylene is 134 picometers. Which of the following expresses that distance in meters? A. 1.34 × 10–13 m B. 1.34 × 10–12 m C. 1.34 × 10–10 m D. 1.34 × 10–7 m 3 | P a g e Question 3 A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is filled with concent...

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 Question 2 Correct 4.60 points out of 4.60 Flag question Question text Which of the following cannot be separated into simpler substances by chemical means? Select one: a. Element b. Emulsion c. Compound d. Homogeneous mixture e. Heterogeneous mixture Question 3 Correct 4.60 points out of 4.60 Flag question Question text Which ...