Канал: Jeff Orvis

Inflating a Balloon Two Ways

Inflating a Balloon Two Ways

Demonstration: Stoichiometry and Percent Yield

Demonstration: Stoichiometry and Percent Yield

Introduction 2021

Introduction 2021

Counting Smarties by Weighing Demo

Counting Smarties by Weighing Demo

Hot vs Cold Water Density Demo

Hot vs Cold Water Density Demo

The Methane Bubbles Demo

The Methane Bubbles Demo

Back to School: Finding a Classroom in Fall 2020

Back to School: Finding a Classroom in Fall 2020

Methylene Groups and Chiral Centers

Methylene Groups and Chiral Centers

Drawing Coupling Trees to Understand Multiple Coupling Patterns

Drawing Coupling Trees to Understand Multiple Coupling Patterns

Quest for Handsanitizer

Quest for Handsanitizer

Methylene Groups: Untangling Terminal Alkenes

Methylene Groups: Untangling Terminal Alkenes

A Deep Dive into a Doublet of Doublet of Triplets

A Deep Dive into a Doublet of Doublet of Triplets

Groups and Integrations Student Question

Groups and Integrations Student Question

Using NMR Spectroscopy: Methylene Groups and Signal Overlap

Using NMR Spectroscopy: Methylene Groups and Signal Overlap

Using NMR: Always Check Your Starting Materials

Using NMR: Always Check Your Starting Materials

Teaching NMR: Mapping out an Unknown with 2D NMR Spectra

Teaching NMR: Mapping out an Unknown with 2D NMR Spectra

An Ibuprofen NMR Mystery Solved by DEPT Spectra

An Ibuprofen NMR Mystery Solved by DEPT Spectra

Interpreting NMR a Given Molecular Weight

Interpreting NMR a Given Molecular Weight

Interpreting NMR Unknowns with Groups and Integrations

Interpreting NMR Unknowns with Groups and Integrations

Signal Overlap in NMR Spectroscopy

Signal Overlap in NMR Spectroscopy

Basic Spectroscopy Calculations

Basic Spectroscopy Calculations

Welcome 2018

Welcome 2018

A Reaction Quotient Example

A Reaction Quotient Example

Activation Energy: Arrhenius Two Point Example

Activation Energy: Arrhenius Two Point Example

A Solution Stoichiometry Example

A Solution Stoichiometry Example

A More Involved Stoichiometry Example

A More Involved Stoichiometry Example

A Standard Stoichiometry Problem Example

A Standard Stoichiometry Problem Example

Interpreting NMR: Best Friends and Spectra Matching Examples

Interpreting NMR: Best Friends and Spectra Matching Examples

Interpreting NMR: Best Friends and Structure Line-ups

Interpreting NMR: Best Friends and Structure Line-ups

Dr O's Guide to Gas Mixtures and Partial Pressures

Dr O's Guide to Gas Mixtures and Partial Pressures

Dr O's Guide to Molecular Weights and the Ideal Gas Law

Dr O's Guide to Molecular Weights and the Ideal Gas Law

Lewis Structure, Idealized Geometry, and Distortions

Lewis Structure, Idealized Geometry, and Distortions

A Phosphorus Lewis Structure and Resonance Problem

A Phosphorus Lewis Structure and Resonance Problem

A Lewis Structure Resonance and Percent Composition Formula Festival

A Lewis Structure Resonance and Percent Composition Formula Festival

Formula Determinations and Koala Bears!

Formula Determinations and Koala Bears!

Dr. O's Guide to Grams, Moles and Avagadros' Number

Dr. O's Guide to Grams, Moles and Avagadros' Number

Dr O's Guide to Isotope Calculations

Dr O's Guide to Isotope Calculations

Dr O's Guide to Naming and Formula Writing

Dr O's Guide to Naming and Formula Writing

Dr O's Guide to Conversion Factors and Gold

Dr O's Guide to Conversion Factors and Gold

Dr O's Guide to a Volume and Density Conversion Factor Problem

Dr O's Guide to a Volume and Density Conversion Factor Problem

Dr O's Guide to a Volume Conversion Factor Problem

Dr O's Guide to a Volume Conversion Factor Problem

What's the Deal with Hybrid Orbitals?

What's the Deal with Hybrid Orbitals?

Characterization of Menthol

Characterization of Menthol

An Even Closer Look at 2D Spectra

An Even Closer Look at 2D Spectra

Introducing 2D NMR Spectra

Introducing 2D NMR Spectra

Decoupling Nuclei

Decoupling Nuclei

Coupling Constants and Multiple Coupling Patterns

Coupling Constants and Multiple Coupling Patterns

Simple Coupling Patterns

Simple Coupling Patterns

FIDs and Fourier Transforms

FIDs and Fourier Transforms

Locking and Shimming

Locking and Shimming

A Research Lab Example

A Research Lab Example

Determining a Structure Example

Determining a Structure Example

DEPT Spectra

DEPT Spectra

Reading Unknowns

Reading Unknowns

Formulas, Molecular Weights and NMR Spectra

Formulas, Molecular Weights and NMR Spectra

Solvents in NMR Spectroscopy

Solvents in NMR Spectroscopy

Heteroatom Protons

Heteroatom Protons

The Story of NMR's PPM Scale

The Story of NMR's PPM Scale

Origins of the Chemical Shift

Origins of the Chemical Shift

Magnetic Nuclei Calculations

Magnetic Nuclei Calculations

The Basic NMR Experiment

The Basic NMR Experiment

Magnetic Isotopes

Magnetic Isotopes

Introduction to Magnetism

Introduction to Magnetism

integrated proton spectra

integrated proton spectra

Basic Spectroscopy Review

Basic Spectroscopy Review

Introducing 2D NMR Spectra

Introducing 2D NMR Spectra

Characterization of Menthol

Characterization of Menthol

Closer Look at 2D NMR Spectra

Closer Look at 2D NMR Spectra

Nuclear Coupling: The Bad, The Good and The Beautiful

Nuclear Coupling: The Bad, The Good and The Beautiful

Dr. O's Guide to Connecting Mechanisms and Rate Laws

Dr. O's Guide to Connecting Mechanisms and Rate Laws

Quantum Mechanics Burden on NMR

Quantum Mechanics Burden on NMR

Quantum Mechanic's Gift to NMR

Quantum Mechanic's Gift to NMR

Origins of the Chemical Shift

Origins of the Chemical Shift

The PPM Scale

The PPM Scale

Introducing Proton Chemical Shifts

Introducing Proton Chemical Shifts

Dr O's Guide to Energy Stoichiometry

Dr O's Guide to Energy Stoichiometry

Groups and Integrations Aromatic Examples

Groups and Integrations Aromatic Examples

NMR Groups and Integrations: Methyl Ethyl and Diethyl Ketone

NMR Groups and Integrations: Methyl Ethyl and Diethyl Ketone

Comparing NMR with Other Spectroscopies

Comparing NMR with Other Spectroscopies

Dynamite Oxidation Numbers

Dynamite Oxidation Numbers

Balancing Dynamite: Balancing Chemical Equations

Balancing Dynamite: Balancing Chemical Equations

Solution Concentration Unit Conversions

Solution Concentration Unit Conversions

Nicotine Characterization Supplement

Nicotine Characterization Supplement

Reading Unknowns

Reading Unknowns

Magnetic Nuclei Calculations

Magnetic Nuclei Calculations

Integrated proton spectra

Integrated proton spectra

Comparing Forms of Spectroscopy

Comparing Forms of Spectroscopy

Dr. O's Guide to Standard Stoichiometry

Dr. O's Guide to Standard Stoichiometry

Dr O's Guide to Problem 11 28 Boiling Points and Intermolecular Forces

Dr O's Guide to Problem 11 28 Boiling Points and Intermolecular Forces

Dr O's Guide to Problem 10 64 Gas Mixtures and Partial Pressures

Dr O's Guide to Problem 10 64 Gas Mixtures and Partial Pressures

Dr O's Guide to Problem 10 54 Molecular Weights and Pivnert

Dr O's Guide to Problem 10 54 Molecular Weights and Pivnert

The Tetrahedral Bond Angle

The Tetrahedral Bond Angle

Lewis Structure, Idealized Geometry, and Distortions

Lewis Structure, Idealized Geometry, and Distortions

Dr O's Guide to Problem 8 107 Percent Composition, Lewis Structures and Resonance Perfection

Dr O's Guide to Problem 8 107 Percent Composition, Lewis Structures and Resonance Perfection

Dr O's Guide to Naming and Formula Writing in Problem 2 105

Dr O's Guide to Naming and Formula Writing in Problem 2 105

Dr O's Guide to Isotope Calculations in Problems 2 95 and 2 96

Dr O's Guide to Isotope Calculations in Problems 2 95 and 2 96

And Now, a MasteringChemistry Problem

And Now, a MasteringChemistry Problem

Dr O's Guide to Problem 1 57

Dr O's Guide to Problem 1 57

Dr. O's Guide to Problem 1 83

Dr. O's Guide to Problem 1 83

Dr. O's Solution to Problem 1.70

Dr. O's Solution to Problem 1.70

FIDs and Fourier Transforms Part II

FIDs and Fourier Transforms Part II

FIDs and Fourier Transforms Part I

FIDs and Fourier Transforms Part I

Magnetic Isotopes

Magnetic Isotopes

Introduction to Magnetism

Introduction to Magnetism