Chem 161 lecture 3 - Study guides, Class notes & Summaries

Chem 161 Lecture 3 Answers 2023 UPDATE RATED A+ What is a mole? number of atoms that has a mass equal to the AMU in grams What is Avogadro’s number? 6.022 x 10^23 atoms/mole What is wavelength? distance between each wave unit λ What is frequency? # of waves (cycles) per second What are units of wavelength? m, mm, nm (length of each λ) What are units of v? cycles/sec waves/sec sec^-1 Hz (heartz) What is the velocity of the wave? λ * v = velocity of wave (meter/wave) * (wave/s...

What is a mole? number of atoms that has a mass equal to the AMU in grams What is Avogadro’s number? 6.022 x 10^23 atoms/mole What is wavelength? distance between each wave unit λ

CHEM 161 Exam Questions and Answers – Latest 2023/2024 (Verified Answers) 100% Correct Contents 1 CHEM 161 Lecture 1 Answers 2 Chem 161 Lecture 2 Answers 3 Chem 161 Lecture 3 Answers 4 Chem 161 Lecture 4 5 Chem 161 Lecture 5 Answers 6 Chem Lecture 6 Answers 7 Chem 161 Lecture 7 Answers 8 Chem 161 Equations 9 Chem 161 Compounds 10 Chem 161 Polyatomic Ions 11 CHEM 161 EXAM 1 Answers 12 CHEM 161 EXAM 2 Answers 13 Chem 161 Final Exam Answs 14 Chem & 161 Course Overview 14.1 Learnin...

Chem 161 Lecture 3 Questions And Answers

Chem 161 Lecture 2 Answers 2023 UPDATE RATED A+ How can matter be classified? Matter: Purity: 1. Pure Substances A. Elements B. Compounds 2. Mixtures A. Homogenous Solutions B. Heterogenous Solutions What are the differences between compounds and mixtures? Compounds: 1) Definite Composition (with exact chemical formula) 2) Have different properties than the elements making up the compound (H20 is liquid compared to H2 and O as gases) 3) Can be separated into its elements only by chemic...

CHEM 161 Test Answers CHEM 161 Lecture 1 Answers What are the SI Base Units? length (meter); Mass (kilogram); time (seconds); temperature (kelvin); amount of a substance (mole); electric current (ampere); luminous intensity (candela) What’s the SI Base Unit for length? meter What’s the SI Base Unit for mass? kilogram (kg) What’s the SI Base Unit for time? second (s) What’s the SI Base Unit for amount? mole (m) What’s the SI Base Unit for temperature? Kelv...