Chemistry

General, Organic, and Biochemistry, 2e (Frost) Chapter 1 Chemistry Basics— Matter and Measurement 1.1 Multiple-Choice 1) Which of the following is an example of a heterogeneous mixture? A) Sugar water B) Blood C) Air D) Vodka Answer: B Diff: 1 Section: 1-1 2) Which of the following is a pure substance? A) Sugar B) Sand C) Gold D) Maple syrup Answer: C Diff: 1 Section: 1-1 3) All the different kinds of substances that make up all of the material of the universe are known col...

General, Organic, and Biological Chemistry, 4e (Timberlake) Chapter 2 Energy and Matter 2.1 Multiple-Choice Questions 1) An example of kinetic energy is A) a coiled spring. B) running water. C) a tree. D) natural gas. E) chemical energy. Answer: B Objective: 2.1 Global Outcomes: GO7 2) The energy associated with the motion of particles in a substance is called A) temperature. B) electrical energy. C) heat. D) chemical energy. E) potential energy. Answer: C Objective: 2.1 Glob...

General, Organic, and Biological Chemistry, 3e (Timberlake) Chapter 1 Measurements 1.1 Multiple-Choice Questions 1) 5.21 cm is the same distance as A) 0.0521 m. B) 52.1 dm. C) 5.21 mm. D) 0.00521 km. E) 5210 m. Answer: A 2) How many centimeters are there in 57.0 in.? A) 22 cm B) 0.0445 cm C) 145 cm D) 22.4 cm E) 140 cm Answer: C 3) The amount of space occupied by a substance is its A) mass. B) density. C) weight. D) length. E) volume. Answer: E 4) Which of the following i...

Introductory Chemistry: Concepts and Critical Thinking, 7e (Corwin) Chapter 1 Introduction to Chemistry Key Terms 1) What is the term for the pseudoscience that attempted to discover a universal cure for disease and a magic elixir for immortality? A) alchemy B) biochemistry C) inorganic chemistry D) organic chemistry E) none of the above Answer: A Section: Key Terms 2) What is the term for the study of chemical substances derived from plants and animals? A) biochemistry B) green ch...

Introductory Chemistry, 4e (Tro) Chapter 1 The Chemical World True/False Questions 1) Chemicals make up everything around you, including your own body. Answer: TRUE Diff: 1 Page Ref: 1.1 2) Chemists study the properties of substances and the particles that compose those substances. Answer: TRUE Diff: 1 Page Ref: 1.1 3) When a sealed can of soda pop is opened, the carbon dioxide gas fizzes out because the pressure is released. Answer: TRUE Diff: 1 Page Ref: 1.1 4) The properties of wa...

2 Chapter 1 The Foundations of Biochemistry Chapter 1 The Foundations of Biochemistry Multiple Choice Questions 1. Cellular foundations Pages: 2–4 Difficulty: 1 Ans: C In a bacterial cell, the DNA is in the: A) cell envelope. B) cell membrane. C) nucleoid. D) nucleus. E) ribosomes. 2. Cellular foundations Page: 3 Difficulty: 1 Ans: E A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: A) DNA. B) photosynthetic capability. C) plasma m...

Chapter 1 Multiple Choice Questions: Topic: General Section: Intro Difficulty Level: Easy 1. Chemical reactions occur as a result of: A) Attraction between opposite charges B) Nucleus–Nucleus interactions C) Motion of electrons D) Like atoms interacting E) Combining two chemicals Ans: C Topic: General Section: 1.1 Difficulty Level: Easy 2. Credit for the first synthesis of an organic compound from an inorganic precursor is generally ascribed to: A) Berzelius B) Arrhenius C) ...

Essay 0 points Question Give the ground-state electron configuration for carbon (atomic number 6). Answer 1s22s22p 12p 1 or 1s22s22p2 x y Essay 0 points Question Give the ground-state electron configuration for fluorine (atomic number 9). Answer 1s22s22p 2 2p 2 2p 1 or 1s22s22p5 x y z Essay 0 points Question Give the ground-state electron configuration for magnesium (atomic number 12). Answer 1s22s22p63s2 Essay 0 points Question How many electrons does silicon have in its valence she...

Chapter 03 - Organic Compounds: Alkanes and Their Stereochemistry Exhibit 3-1 MATCH a structure below to each of the following descriptions and place the letter corresponding to the structure in the blank. 1. _____ is an amino aldehyde. ANSWER: B POINTS: 1 2. _____ is an aromatic ketone. ANSWER: E POINTS: 1 3. _____ is a tertiary chloride. ANSWER: C POINTS: 1 4. _____ is a cyclic alkane with two cis methyl groups. ANSWER: C POINTS: 1 5. Circle and name each functional group in th...

Chapter One MULTIPLE CHOICE QUESTIONS Topic: General Section: 1.1 Difficulty Level: Easy 1. Credit for the first synthesis of an organic compound from an inorganic precursor is usually given to: A) Berzelius B) Arrhenius C) Kekule D) Wohler E) Lewis Ans: D Topic: Atomic Orbitals, Hybridization Section: 1.2 Difficulty Level: Easy 2. How many sigma 1s-2sp3 bonds are there in ethane? A) 7 B) 6 C) 5 D) 3 E) 1 Ans: B