Канал: ChemHelp

ChemHelp AP / Determining Molecular Formulas from Empirical Data

ChemHelp AP / Determining Molecular Formulas from Empirical Data

ChemHelp AP / Finding Empirical Formulas from Masses

ChemHelp AP / Finding Empirical Formulas from Masses

ChemHelp AP / Finding Empirical Formulas from Percentages

ChemHelp AP / Finding Empirical Formulas from Percentages

ChemHelp AP / Finding Empirical Formulas Using Gravimetrics, Precipitation

ChemHelp AP / Finding Empirical Formulas Using Gravimetrics, Precipitation

ChemHelp AP / Finding Empirical Formulas, Decimal Ratios

ChemHelp AP / Finding Empirical Formulas, Decimal Ratios

ChemHelp A / Determining Hydrate Formulas from Lab Data

ChemHelp A / Determining Hydrate Formulas from Lab Data

ChemHelp AP / Calculating Enthalpy From Bond Energies II

ChemHelp AP / Calculating Enthalpy From Bond Energies II

ChemHelp AP / Calculating Enthalpy From Bond Energies I

ChemHelp AP / Calculating Enthalpy From Bond Energies I

ChemHelp AP / Calculating Enthalpy and Activation Energy from PE Diagrams II

ChemHelp AP / Calculating Enthalpy and Activation Energy from PE Diagrams II

ChemHelp AP / Calculating Enthalpy and Activation Energy from PE Diagrams I

ChemHelp AP / Calculating Enthalpy and Activation Energy from PE Diagrams I

ChemHelp AP / Describing Energy Flow in Chemical Reactions

ChemHelp AP / Describing Energy Flow in Chemical Reactions

ChemHelp AP / Calculations with Zero-Order Integrated Rate Laws

ChemHelp AP / Calculations with Zero-Order Integrated Rate Laws

ChemHelp AP / Calculations with the Second-Order Integrated Rate Law

ChemHelp AP / Calculations with the Second-Order Integrated Rate Law

ChemHelp AP / Calculations with the First-Order Integrated Rate Law

ChemHelp AP / Calculations with the First-Order Integrated Rate Law

ChemHelp AP / Calculating the Rate Constant Using First-Order Half-Life.

ChemHelp AP / Calculating the Rate Constant Using First-Order Half-Life.

ChemHelp AP / Determining Reactant Orders from Half-Lives

ChemHelp AP / Determining Reactant Orders from Half-Lives

ChemHelp AP / Calculations with Half-Lives

ChemHelp AP / Calculations with Half-Lives

ChemHelp AP - Determining Reactant Orders from Graphs

ChemHelp AP - Determining Reactant Orders from Graphs

ChemHelp AP / Explaining How Catalysts Alter Reaction Mechanisms

ChemHelp AP / Explaining How Catalysts Alter Reaction Mechanisms

ChemHelp AP / Eliminating Intermediates from Rate Laws II

ChemHelp AP / Eliminating Intermediates from Rate Laws II

ChemHelp AP / Eliminating Intermediates from Rate Laws I

ChemHelp AP / Eliminating Intermediates from Rate Laws I

ChemHelp AP / Writing Rate Laws from Mechanisms

ChemHelp AP / Writing Rate Laws from Mechanisms

ChemHelp AP / Identifying Roles Within Reaction Mechanisms

ChemHelp AP / Identifying Roles Within Reaction Mechanisms

ChemHelp AP / Calculating the Rate of Theoretical Trials

ChemHelp AP / Calculating the Rate of Theoretical Trials

ChemHelp AP / Solving for the Rate Constant Using Experimental Data

ChemHelp AP / Solving for the Rate Constant Using Experimental Data

ChemHelp AP / Determining the Units of the Rate Constant, k

ChemHelp AP / Determining the Units of the Rate Constant, k

ChemHelp AP / Constructing Rate Laws from Experimental Data II

ChemHelp AP / Constructing Rate Laws from Experimental Data II

ChemHelp AP / Constructing Rate Laws from Experimental Data I

ChemHelp AP / Constructing Rate Laws from Experimental Data I

ChemHelp AP / Choosing Rate Laws Which Match Experimental Observations

ChemHelp AP / Choosing Rate Laws Which Match Experimental Observations

ChemHelp AP / Relating Changes in Concentration to Changes in Rate

ChemHelp AP / Relating Changes in Concentration to Changes in Rate

ChemHelp AP / Writing Rate Laws

ChemHelp AP / Writing Rate Laws

ChemHelp AP / Comparing Concentration and Time Graphs with Catalysts and Different Reactant Masses

ChemHelp AP / Comparing Concentration and Time Graphs with Catalysts and Different Reactant Masses

ChemHelp AP / Sketching Concentration and Time Graphs

ChemHelp AP / Sketching Concentration and Time Graphs

ChemHelp AP / Calculating Reaction Rates from Related Rates

ChemHelp AP / Calculating Reaction Rates from Related Rates

ChemHelp AP / Calculating Reaction Rates from Concentration and Time Data

ChemHelp AP / Calculating Reaction Rates from Concentration and Time Data

ChemHelp AP / Sketching PE and Maxwell Boltzmann Diagrams with Catalysts

ChemHelp AP / Sketching PE and Maxwell Boltzmann Diagrams with Catalysts

ChemHelp AP / Predicting Reasons for Differences in Reaction Rates

ChemHelp AP / Predicting Reasons for Differences in Reaction Rates

ChemHelp AP / Explaining the Influence of Temperature on Reaction Rates

ChemHelp AP / Explaining the Influence of Temperature on Reaction Rates

ChemHelp / Calculating Moles and Molarity of an Analyte in a Titration II

ChemHelp / Calculating Moles and Molarity of an Analyte in a Titration II

ChemHelp / Calculating Moles and Molarity of an Analyte in a Titration I

ChemHelp / Calculating Moles and Molarity of an Analyte in a Titration I

ChemHelp / Choosing Indicators for Titrations

ChemHelp / Choosing Indicators for Titrations

ChemHelp / Interpreting Titration Curves and Equivalence Points

ChemHelp / Interpreting Titration Curves and Equivalence Points

ChemHelp / Calculating [H3O+], [OH-] , pH, and pOH

ChemHelp / Calculating [H3O+], [OH-] , pH, and pOH

ChemHelp / Comparing pH Values

ChemHelp / Comparing pH Values

ChemHelp / Calculating Hydronium and Hydroxide Concentrations

ChemHelp / Calculating Hydronium and Hydroxide Concentrations

ChemHelp / Writing Formulas for Conjugate Acids and Bases

ChemHelp / Writing Formulas for Conjugate Acids and Bases

ChemHelp / Identifying Acids and Bases, Bronsted Lowry, and Arrhenius

ChemHelp / Identifying Acids and Bases, Bronsted Lowry, and Arrhenius

ChemHelp AP / Using Molarities and Volumes to Draw Particle Diagrams, Identify Limiting/Excess

ChemHelp AP / Using Molarities and Volumes to Draw Particle Diagrams, Identify Limiting/Excess

ChemHelp AP / Using Partial Pressures to Draw Particle Diagrams / Identify Limiting/Excess Reactants

ChemHelp AP / Using Partial Pressures to Draw Particle Diagrams / Identify Limiting/Excess Reactants

ChemHelp AP / Using Particle Diagrams to Identify Limiting and Excess Reactants

ChemHelp AP / Using Particle Diagrams to Identify Limiting and Excess Reactants

ChemHelp AP / Using Masses to Draw Particle Diagrams and Identify Limiting and Excess Reactants

ChemHelp AP / Using Masses to Draw Particle Diagrams and Identify Limiting and Excess Reactants

ChemHelp / Solving Dilution Equations II

ChemHelp / Solving Dilution Equations II

ChemHelp / Solving Dilution Equations I

ChemHelp / Solving Dilution Equations I

ChemHelp / Calculating Molarity Using Grams and Milliliters

ChemHelp / Calculating Molarity Using Grams and Milliliters

ChemHelp / Calculating Molarity from Moles and Liters

ChemHelp / Calculating Molarity from Moles and Liters

ChemHelp AP / Using a Known Molarity and Stoichiometry to Calculate Unknown Moles

ChemHelp AP / Using a Known Molarity and Stoichiometry to Calculate Unknown Moles

ChemHelp AP / Calculating an Unknown Molarity Using Stochiometry and a Known Molarity

ChemHelp AP / Calculating an Unknown Molarity Using Stochiometry and a Known Molarity

ChemHelp / Predicting the Solubility of Ionic Compounds in Water

ChemHelp / Predicting the Solubility of Ionic Compounds in Water

ChemHelp / Identifying Precipitates in Chemical Equations

ChemHelp / Identifying Precipitates in Chemical Equations

ChemHelp AP / Drawing PLDs from Net Ionic Equations II

ChemHelp AP / Drawing PLDs from Net Ionic Equations II

ChemHelp AP / Drawing PLDs from Net Ionic Equations I

ChemHelp AP / Drawing PLDs from Net Ionic Equations I

ChemHelp AP / Creating Net Ionic Equations

ChemHelp AP / Creating Net Ionic Equations

ChemHelp AP / Creating Net and Complete Ionic Equations

ChemHelp AP / Creating Net and Complete Ionic Equations

ChemHelp AP/ Showing Dissociated Particles in Aqueous Solutions

ChemHelp AP/ Showing Dissociated Particles in Aqueous Solutions

ChemHelp / How to Identify Electrolytes from Chemical Formulas

ChemHelp / How to Identify Electrolytes from Chemical Formulas

ChemHelp / Using Polarity to Explain Solubility and Miscibility

ChemHelp / Using Polarity to Explain Solubility and Miscibility

ChemHelp AP / Balancing Oxidation Reduction Equations I

ChemHelp AP / Balancing Oxidation Reduction Equations I

ChemHelp AP / Balancing Oxidation Reduction Equations II

ChemHelp AP / Balancing Oxidation Reduction Equations II

ChemHelp AP / Calculating Oxidation Numbers

ChemHelp AP / Calculating Oxidation Numbers

ChemHelp AP / Identifying Oxidation and Reduction in Chemical Equations

ChemHelp AP / Identifying Oxidation and Reduction in Chemical Equations

ChemHelp / Classifying Solutions Using a Solubility Curve

ChemHelp / Classifying Solutions Using a Solubility Curve

ChemHelp / Interpreting Solubility Curves

ChemHelp / Interpreting Solubility Curves

ChemHelp / Factors Which Influence the Speed of Dissolving

ChemHelp / Factors Which Influence the Speed of Dissolving

ChemHelp / Identifying Solutes and Solvents in a Solution

ChemHelp / Identifying Solutes and Solvents in a Solution

ChemHelp AP / Writing and Balancing Acid Base Neutralization Equations

ChemHelp AP / Writing and Balancing Acid Base Neutralization Equations

ChemHelp AP / Determining the Formula and Strength of Conjugate Acids

ChemHelp AP / Determining the Formula and Strength of Conjugate Acids

ChemHelp AP / Identifying Acids, Bases, and Conjugates

ChemHelp AP / Identifying Acids, Bases, and Conjugates

ChemHelp AP / Determining Solubility and Identifying Precipitates II

ChemHelp AP / Determining Solubility and Identifying Precipitates II

ChemHelp AP / Determining Solubility and Identifying Precipitates I

ChemHelp AP / Determining Solubility and Identifying Precipitates I

ChemHelp / Balancing Equations with Decimals or Fractions II

ChemHelp / Balancing Equations with Decimals or Fractions II

ChemHelp / Balancing Equations with Decimals or Fractions I

ChemHelp / Balancing Equations with Decimals or Fractions I

ChemHelp / Balancing Equations with Polyatomics and HOH II

ChemHelp / Balancing Equations with Polyatomics and HOH II

ChemHelp / Balancing Equations with Polyatomics and HOH I

ChemHelp / Balancing Equations with Polyatomics and HOH I

ChemHelp / Balancing Equations with Polyatomics I

ChemHelp / Balancing Equations with Polyatomics I

ChemHelp / Balancing Equations with Polyatomics II

ChemHelp / Balancing Equations with Polyatomics II

ChemHelp / Fast Balancing Equations II

ChemHelp / Fast Balancing Equations II

ChemHelp / Fast Balancing Equations I

ChemHelp / Fast Balancing Equations I

ChemHelp / Balancing Equations Simply II

ChemHelp / Balancing Equations Simply II

ChemHelp / Balancing Equations Simply I

ChemHelp / Balancing Equations Simply I

ChemHelp / Classifying Reactions / S, D, SR, DR, and C

ChemHelp / Classifying Reactions / S, D, SR, DR, and C

ChemHelp / Classifying Reactions / S, D, SR, and DR

ChemHelp / Classifying Reactions / S, D, SR, and DR

ChemHelp / Classifying Reactions / Synthesis and Decomposition

ChemHelp / Classifying Reactions / Synthesis and Decomposition

ChemHelp Using Enthalpy to Convert Between Energy and Reactant Mass

ChemHelp Using Enthalpy to Convert Between Energy and Reactant Mass

ChemHelp / Using Heats of Formation to Calculate the Enthalpy of Reaction

ChemHelp / Using Heats of Formation to Calculate the Enthalpy of Reaction

ChemHelp / Solving Second-Order Integrated Rate Laws

ChemHelp / Solving Second-Order Integrated Rate Laws

ChemHelp / Solving First-Order Integrated Rate Laws

ChemHelp / Solving First-Order Integrated Rate Laws

ChemHelp / How to Filter a Precipitate Using a Buchner Funnel

ChemHelp / How to Filter a Precipitate Using a Buchner Funnel

ChemHelp / Completing a Particle Diagram and Identifying Limiting, Excess

ChemHelp / Completing a Particle Diagram and Identifying Limiting, Excess

ChemHelp / Calculating a Reactant Mass from a Target Product Volume

ChemHelp / Calculating a Reactant Mass from a Target Product Volume

ChemHelp / How to Calculate Moles When Given Grams of a Different Substance

ChemHelp / How to Calculate Moles When Given Grams of a Different Substance

ChemHelp / How to Convert Between Moles of Two Different Substances

ChemHelp / How to Convert Between Moles of Two Different Substances

ChemHelp / How to Calculate the Mass of One Substance Using the Mass of a Different Substance

ChemHelp / How to Calculate the Mass of One Substance Using the Mass of a Different Substance

ChemHelp / How to Convert Mass into Atoms Using Dimensional Analysis

ChemHelp / How to Convert Mass into Atoms Using Dimensional Analysis

ChemHelp / How to Calculate Mass From Particles Using Dimensional Analysis

ChemHelp / How to Calculate Mass From Particles Using Dimensional Analysis

ChemHelp / How to Convert Between Mass of One Substance and Atoms of a Different Substance

ChemHelp / How to Convert Between Mass of One Substance and Atoms of a Different Substance

ChemHelp / How to Convert Between Particles of One Substance and Mass of Another Substance

ChemHelp / How to Convert Between Particles of One Substance and Mass of Another Substance

ChemHelp / Converting Particles into Moles Using Dimensional Analysis, DA

ChemHelp / Converting Particles into Moles Using Dimensional Analysis, DA

ChemHelp / Converting Moles into Particles using Dimensional Analysis, DA

ChemHelp / Converting Moles into Particles using Dimensional Analysis, DA

ChemHelp / How to Convert from Mass to Moles using Dimensional Analysis, DA

ChemHelp / How to Convert from Mass to Moles using Dimensional Analysis, DA

ChemHelp / How to Calculate the Molar Mass of a Compound

ChemHelp / How to Calculate the Molar Mass of a Compound

ChemHelp / Rounding with Significant Figures When Multiplying or Dividing I

ChemHelp / Rounding with Significant Figures When Multiplying or Dividing I

ChemHelp / How to Round Using Decimal Places When Adding or Subtracting

ChemHelp / How to Round Using Decimal Places When Adding or Subtracting

ChemHelp / Converting Tiny Numbers into Scientific and Exponential Notation

ChemHelp / Converting Tiny Numbers into Scientific and Exponential Notation

ChemHelp / Converting Large Numbers into Scientific and Exponential Notation

ChemHelp / Converting Large Numbers into Scientific and Exponential Notation

ChemHelp / How to Round Using Significant Figures When Multiplying or Dividing II

ChemHelp / How to Round Using Significant Figures When Multiplying or Dividing II

ChemHelp / How to Count the Number of Significant Figures (Sigfigs)

ChemHelp / How to Count the Number of Significant Figures (Sigfigs)

ChemHelp / Writing the Name of CrF3

ChemHelp / Writing the Name of CrF3

ChemHelp / Writing the Name of Fe2O

ChemHelp / Writing the Name of Fe2O

ChemHelp / Writing the Name of V3(PO4)2

ChemHelp / Writing the Name of V3(PO4)2

Chemhelp / Writing the Name of Au(NO3)4

Chemhelp / Writing the Name of Au(NO3)4

ChemHelp / Drawing a Lewis dot diagram for acetylene, C2H2

ChemHelp / Drawing a Lewis dot diagram for acetylene, C2H2

ChemHelp Drawing a Lewis dot diagram for carbonate, CO32

ChemHelp Drawing a Lewis dot diagram for carbonate, CO32

ChemHelp / Drawing a Lewis dot diagram for PCl3

ChemHelp / Drawing a Lewis dot diagram for PCl3

ChemHelp / Drawing a Lewis dot diagram for methane, CH4

ChemHelp / Drawing a Lewis dot diagram for methane, CH4

ChemHelp / Drawing a Lewis dot diagram for Na2O

ChemHelp / Drawing a Lewis dot diagram for Na2O

ChemHelp / Drawing a Lewis dot diagram for AlF3

ChemHelp / Drawing a Lewis dot diagram for AlF3

ChemHelp / Drawing a Lewis dot diagram for KBr

ChemHelp / Drawing a Lewis dot diagram for KBr

ChemHelp / Drawing a Lewis dot diagram for hydroxide, OH-

ChemHelp / Drawing a Lewis dot diagram for hydroxide, OH-

Starter - T, 11/19/19

Starter - T, 11/19/19

Starter - M, 11/18/19

Starter - M, 11/18/19

Starter - R, 11/14/19

Starter - R, 11/14/19

Starter - R, 11/14/19

Starter - R, 11/14/19

11/12/19 - Tuesday, Starter

11/12/19 - Tuesday, Starter

11/12/19 - Teams A, B, C ONLY

11/12/19 - Teams A, B, C ONLY

Intro to VSEPR Lab

Intro to VSEPR Lab

Starter - Tue, 11/12/19

Starter - Tue, 11/12/19

Starter - Friday, 11/8/19

Starter - Friday, 11/8/19

How to - Progress Logs

How to - Progress Logs

How to Play Periodic Battleship

How to Play Periodic Battleship

0.0 - How to Create a Bookmark Folder

0.0 - How to Create a Bookmark Folder

0.0 - Creating a folder/label in gmail

0.0 - Creating a folder/label in gmail

4 - Presenting Your Portfolio

4 - Presenting Your Portfolio

3 - The Day Before Our Meeting

3 - The Day Before Our Meeting

2 - Things to Do Every Day

2 - Things to Do Every Day

1 - Setting Up a New Portfolio

1 - Setting Up a New Portfolio

23.4.3 - Back Titrations

23.4.3 - Back Titrations

23.4.4 - Composition of the Analyte During a Titration

23.4.4 - Composition of the Analyte During a Titration

23.4.2 - Percent Purity Calculations

23.4.2 - Percent Purity Calculations

23.4.1 - Opening Steps in Titrations

23.4.1 - Opening Steps in Titrations

8.3 - Solving Gas Laws

8.3 - Solving Gas Laws

DD Lab - Tier 3 Introduction

DD Lab - Tier 3 Introduction

DD Lab - Tier 2 Introduction

DD Lab - Tier 2 Introduction

DD Lab - Tier 1 Introduction

DD Lab - Tier 1 Introduction

Week 9 Portfolio SETUP

Week 9 Portfolio SETUP

5.1 - The Quantum Mechanical Atom

5.1 - The Quantum Mechanical Atom

17.4.5 - Advanced Dimensional Analysis

17.4.5 - Advanced Dimensional Analysis

17.4.4 - Double-Sided DA (DSDA)

17.4.4 - Double-Sided DA (DSDA)

17.4.3 - Squared and Cubed Conversions

17.4.3 - Squared and Cubed Conversions

17.4.2 - Metric Conversion Review

17.4.2 - Metric Conversion Review

17.2.5 - Combustion Analysis Free-Response #2

17.2.5 - Combustion Analysis Free-Response #2

17.2.4 - Combustion Analysis Free-Response #1

17.2.4 - Combustion Analysis Free-Response #1

17.2.3 - Combustion Analysis

17.2.3 - Combustion Analysis

17.2.2 - Using Percent Composition to Derive Masses

17.2.2 - Using Percent Composition to Derive Masses

17.2.1 - Deriving Masses from Reaction Products With Dimensional Analysis

17.2.1 - Deriving Masses from Reaction Products With Dimensional Analysis

17.1.4 - Using Lab Data to Determine Empirical and Molecular Formulas

17.1.4 - Using Lab Data to Determine Empirical and Molecular Formulas

17.1.3 - Scaling Up to Molecular Formulas

17.1.3 - Scaling Up to Molecular Formulas

17.1.2 - Working with Fractional Ratios

17.1.2 - Working with Fractional Ratios

17.1.1 - Empirical and Molecular Formulas Review

17.1.1 - Empirical and Molecular Formulas Review

How to Measure Volume in Chemistry Lab

How to Measure Volume in Chemistry Lab

16.5.4 - Volumetric Stoichiometry Free-Response #2

16.5.4 - Volumetric Stoichiometry Free-Response #2

16.5.3 - Volumetric Stoichiometry Free-Response #1

16.5.3 - Volumetric Stoichiometry Free-Response #1

16.5.2 - Stoichiometry for Reactions in Solution

16.5.2 - Stoichiometry for Reactions in Solution

16.5.1 - Volume and Molarity Review

16.5.1 - Volume and Molarity Review

How to Measure Mass in Chemistry Lab

How to Measure Mass in Chemistry Lab

17.3.3 - Gravimetric Free-Response #2

17.3.3 - Gravimetric Free-Response #2

17.3.2 - Gravimetric Free-Response #1

17.3.2 - Gravimetric Free-Response #1

17.3.1 - Gravimetric Analysis

17.3.1 - Gravimetric Analysis

16.3.3 - Limiting Free-Response Example #2

16.3.3 - Limiting Free-Response Example #2

16.3.2 - Limiting Free-Response Example #1

16.3.2 - Limiting Free-Response Example #1

16.3.1 - Limiting and Excess Reactants Review

16.3.1 - Limiting and Excess Reactants Review

7.3.5 - Advanced Metric DA

7.3.5 - Advanced Metric DA

7.3.4 - Simple Metric Dimensional Analysis

7.3.4 - Simple Metric Dimensional Analysis

7.3.3 - Creating Metric Conversion Factors

7.3.3 - Creating Metric Conversion Factors

7.3.2 - Multi-Step Dimensional Analysis

7.3.2 - Multi-Step Dimensional Analysis

7.3.1 - Introduction to Dimensional Analysis

7.3.1 - Introduction to Dimensional Analysis

7.2.6 - Multi-Step Calculations and Constants

7.2.6 - Multi-Step Calculations and Constants

7.2.5 - Rounding When Multiplying or Dividing

7.2.5 - Rounding When Multiplying or Dividing

7.2.4 - Rounding When Adding or Subtracting

7.2.4 - Rounding When Adding or Subtracting

7.2.3 - How to Round with Sigfigs

7.2.3 - How to Round with Sigfigs

7.2.2 - Identifying Significant Figures

7.2.2 - Identifying Significant Figures

7.2.1 - The Role of Rounding in Science

7.2.1 - The Role of Rounding in Science

7.1.3 - Using Scientific Exponential Notation on a TI nSpire

7.1.3 - Using Scientific Exponential Notation on a TI nSpire

7.1.2 - Using Landmarks in Scientific Exponential Notation

7.1.2 - Using Landmarks in Scientific Exponential Notation

7.1.1 - Introduction to Scientific and Exponential Notation

7.1.1 - Introduction to Scientific and Exponential Notation

16.2.2 - Stoichiometry Review

16.2.2 - Stoichiometry Review

16.2.1 - Mole Mole Conversion Review

16.2.1 - Mole Mole Conversion Review

16.1.2 - Particles Within Particles Review

16.1.2 - Particles Within Particles Review

16.1.1 - Mass, Mole, and Particle Review

16.1.1 - Mass, Mole, and Particle Review

27.1.2 - Drawing Structural Formulas

27.1.2 - Drawing Structural Formulas

23.3.5 - Targeted Preparation of Buffers

23.3.5 - Targeted Preparation of Buffers