General Chemistry

Jules

Study the key concepts of Physics with descriptive videos, questions, and more

Physics

Patrick

General Biology

Jason

Financial Accounting

Brian

Dive deep into Psychology with videos, practice problems, and more.

Psychology

Microeconomics

The first in a two-course sequence introduces the basic structure and functions of the human body

Anatomy & Physiology

Bruce

College Algebra covers algebraic topics and skills necessary to succeed in college-level math

College Algebra

Organic Chemistry

Johnny

Genetics

Kylia

GOB Chemistry

Dive deep into General, Organic, and Biological Chemistry with videos, practice problems, and more.

Intro to Chemistry

Microbiology

Cell Biology

Analytical Chemistry

Study topics incliding trogonometric functions, identities and equations, solutions of triangles, complex numbers, and other topics as time permits

Trigonometry

Callie

Learn the toughest concepts covered in Precalculus with step-by-step video tutorials and practice problems by world-class tutors

Precalculus

Nick

Biochemistry

Macroeconomics

My Courses

College Courses

Professional Courses

Chemistry

Biology

Math

Business

Social Sciences

Dive deep into Python with videos and more.

Introduction to Python

Arianne Dee

Agile Project and Product Management

Agile & Product Management

Mariya Breyther

Introduction to Microsoft Power BI

Microsoft Power BI

Chris Sorensen

Data Analysis Fundamentals with Excel

Data Analysis - Excel

Chris Sorensen & Ammul Shergill

Getting Started with  and Cryptocurrency

Introduction to Blockchain

George Levy

Learn Enough HTML, CSS and Layout to be Dangerous

HTML, CSS & Layout

Lee Donahoe & Michael Hartl

Learn Enough JavaScript to be Dangerous: A Tutorial Introduction to Programming with JavaScript

Introduction to JavaScript

Michael Hartl

R Programming

Jared P. Lander

Digital Marketing Analytics Beyond Advertising

Digital Marketing

Mike Moran

Project Management

Jeffrey K. Pinto

AI in Marketing

Programming

Product & Marketing

NOT USED Limited time offer ⏳: 50% off your first month of Channels. Use code EXAMPREP50.&nbsp;&nbsp;<a target='_blank' href='https://www.pearson.com/en-us/pearsonplus/campaigns/bookstore-terms-and-conditions.html'>Term & Conditions</a>

Limited time offer ⏳: 50% off your first month of Channels. Use code EXAMPREP50.&nbsp;&nbsp;<a target='_blank' href='https://www.pearson.com/en-us/pearsonplus/campaigns/bookstore-terms-and-conditions.html'>Terms & Conditions</a>

<div> Get ready to ace this semester with Channels exam prep feature! Enter code DISCOUNT20 at checkout and get 20% off.&nbsp;&nbsp;<a href='/channels/subscription?CEP=Braze_banner_DISCOUNT20_march2024'>Buy Now ></a></div>

Limited time offer! Get 20% off your initial Channels subscription by using code DISCOUNT20 at checkout.

Learn the toughest concepts covered in Chemistry with step-by-step video tutorials and practice problems by world-class tutors

https://static.studychannel.pearsonprd.tech/courses/general-chemistry/thumbnails/general-chemistry

#FFFFFF

Jules Bruno

Ch.1 - Matter, Measurement & Problem Solving

Ch.2 - Atoms & Elements

Ch.3 - Molecules, Compounds & Chemical Equations

BONUS: Mathematical Operations and Functions

BONUS: Lab Techniques and Procedures

Ch.4 - Chemical Quantities & Aqueous Reactions

Ch.5 - Gases

Ch.6 - Thermochemistry

Ch.7 - Quantum-Mechanical Model of the Atom

Ch.8 - Periodic Properties of the Elements

Ch.9 - Chemical Bonding I: The Lewis Model

Ch.10 - Chemical Bonding II: Molecular Shapes & Valence Bond Theory

Ch.11 - Liquids, Solids & Intermolecular Forces

12. Solids and Modern Material

Ch.13 - Solutions

Ch.14 - Chemical Kinetics

Ch.15 - Chemical Equilibrium

Ch.16 - Acids and Bases

Ch.17 - Aqueous Ionic Equilibrium

Ch. 18 - Free Energy and Thermodynamics

Ch.19 - Electrochemistry

Ch.20 - Radioactivity and Nuclear Chemistry

Ch.21 - Organic Chemistry

Ch.23 - Chemistry of the Nonmetals

Ch.24 -Metals and Metallurgy

Ch. 25 Transition Metals and Coordination Compounds

Tro - Chemistry:A Molecular Approach 4th Edition

Chemistry:A Molecular Approach

Radioactive Half-Life

Radioactive Decay 

My Courses

Chemistry

Biology

Math

Physics

Business

Social Sciences

Programming

Product & Marketing

Chapter 20, Problem 91

The half-life of ²³⁸U is 4.5⨉10⁹ yr. A sample of rock of mass 1.6 g produces 29 dis/s. Assuming all the radioactivity is due to ²³⁸U, find the percent by mass of ²³⁸U in the rock.

My Courses

Chemistry

Biology

Math

Physics

Business

Social Sciences

Programming

Product & Marketing

Chapter 20, Problem 91

The half-life of 238U is 4.5⨉109 yr. A sample of rock of mass 1.6 g produces 29 dis/s. Assuming all the radioactivity is due to 238U, find the percent by mass of 238U in the rock.

The half-life of ²³⁸U is 4.5⨉10⁹ yr. A sample of rock of mass 1.6 g produces 29 dis/s. Assuming all the radioactivity is due to ²³⁸U, find the percent by mass of ²³⁸U in the rock.