CHEM 1211

Module 1: Essential Ideas

18 Topics | 12 Quizzes

1.1 Chemistry as a Science: Introduction to the History of Chemistry

Module 1.1 Scientific Method Quiz

1.1 Math skills required in this course

1.2 Description of Matter: Classification of Matter

Module 1.2 Classification of Matter Quiz

1.2 PHET Simulation: States of Matter

1.2 Observable Properties of Matter

Module 1.2 Extensive or Intensive Property Quiz

1.2 Pure Substances and Mixtures

Module 1.3 Pure Substances & Mixture Quiz

1.3 Physical and Chemical Properties

1.3 Physical and Chemical Changes

1.3 Physical and Chemical Change Activity

Module 1.3 Physical and Chemical Properties Quiz

Module 1.3 Density Quiz

Interactive Walkthrough: Density

1.4 Significant Figures

Module 1.4 Measurement & Significant Figure Quiz

Module 1.4 Accuracy Precision Quiz

Interactive Walkthrough: Significant Figures

Module 1.5 Metric Prefixes Quiz

1.6 Dimensional Analysis

Module 1.6 Dimensional Analysis Quiz

1.6 Temperature Conversion

Module 1.6 Temperature Conversion Quiz

1.7 End oF Module 1 Questions

Pre-knowledge Quiz: Essential Ideas

Module 2: Atoms, Molecules and Ions

12 Topics | 11 Quizzes

2.1 Early Ideas in Atomic Theory

2.2 Evolution of Atomic Theory

2.2 Rutherford’s Discovery

Module 2.2 Discovery of Electron Quiz

2.3 Atomic Structure and Subatomic Particles

Module 2.3 Subatomic Particles Quiz

2.3 Chemical Symbols, Atomic Number & Mass Number

Module 2.3 Ions Quiz

Module 2.3 Atomic & Mass Number Quiz

2.3 Isotopes & Atomic Mass

Module 2.3 Isotope & Atomic Mass Quiz

2.4 The Periodic Table

Module 2.4 Chemical Symbol Quiz

Module 2.4 Periodic Table Quiz

2.5 Chemical Formulas

2.6 Molecular and Ionic Compounds

Module 2.6 Molecular & Ionic Compound Quiz

2.7 Chemical Nomenclature of Ionic & Covalent Compounds

Module 2.7 Ionic Compounds Nomenclature with Transtion Metals Quiz

2.7 Nomenclature of Acids

Module 2.7 Nomenclature of Acids

2.8 End of Chapter 2: Atoms Molecules Ions

Module 3: Stoichiometry

7 Topics | 8 Quizzes

3.1 The Concept of Moles and the Formula Mass

Module 3.1 Mass to Moles Quiz

Module 3.1 Molar Mass Quiz

Interactive Walkthrough: Mass to Mole Conversion:

3.2 The Concept of Empirical Formula and Molecular Formula

Module 3.2 Empirical Formula Quiz

3.3 Solution’s Different Concentrations

Module 3.3 Solutions Quiz

3.4 Concentrations Calculations in Chemical Reactions

Module 3.4 Percent Concentrations of Solutions Quiz

Module 3.4 Molarity Quiz

Module 3.4 Dilution Quiz

3.5 Mole Definition and Mass Percent Calculations and Reviews

3.6 End of Chapter 3: Stoichiometry

Module 4: Chemical Reactions Stoichiometry

13 Topics | 10 Quizzes

4.1 Introduction to History of Chemical Reactions

4.2 Balancing Chemical Reactions

Module 4.2 Balancing Chemical Equation Quiz

4.3 Precipitation Reactions

Module 4.3 Solubility Rules Quiz

4.3 Acid Base Reactions

4.3 Redox Reactions

4.4 Chemical Reactions Stoichiometry

Module 4.4 Mol to Mol Stoichiometry Quiz

Module 4.4 Mass to Mass Stoichiometry Quiz

Interactive Walkthrough: mass to Mass stoichiometry

4.5 Yields of Reactions

Module 4.5 LImiting Reactant Quiz

Module 4.5 Percent Yield Quiz

4.6 Volumetric Analysis

Module 4.6 Volumetric Analysis Quiz

4.6 Quantitative Chemical Analysis

4.6 Gravimetric Analysis

Module 4.6 Gravimeteric Analysis Quiz

4.6 Combustion Analysis

Module 4.6 Combustion Analysis Quiz

4.7 End of Chapter 4: Chemical Reactions Stoichiometry

Module 5: Thermochemistry

12 Topics | 7 Quizzes

5.1 Historical Background of Thermochemistry Concepts

Module 5.1 Thermochemistry Concept Quiz

5.2 Basic Concept of Energy

Module 5.2 Exo/Endo Thermic Reaction Quiz

5.2 Specific Heat

Module 5.2 Specific Heat Quiz

5.3 Calorimetry Concept

Module 5.3 Calorimetry Quiz

Module 5.3 Bomb Calorimeter Quiz

5.4 First Law of Thermodynamics

Module 5.4 1st law of Thermo Quiz

Interactive Walkthrough: First Law of Thermodynamics

Module 5.4 Thermochemical Equation Quiz

5.4 Interactive Walkthrough: Enthalpy & Stoichiomtery

5.4 Hess’s Law

Interactive walkthrough: Hess’s law

5.4 Standard Enthalpy of Formation

Module 6: Electronic Structures and Periodic Properties of Atoms

14 Topics | 9 Quizzes

6.1 Electromagnetic Energy

Module 6.1 Electromagnetic Radiation Quiz

6.2 The Bohr Model

Module 6.2 Bohr’s Model Quiz

6.2 Rydberg Equation

6.3 Development of Quantum Theory

Module 6.3 Planck’s Equation Quiz

Module 6.3 Orbital Quiz

6.3 Quantum Numbers

6.4 Electronic Structure of Atoms (Electron Configurations)

Module 6.4 Electronic Configuration Quiz

Module 6.4 Valence Electron Quiz

Interactive Walkthrough: Electronic Configuration

6.5 Periodic Variations in Element Properties

6.5 Atomic & Ionic Radii Trend

Module 6.5 Atomic Size Quiz

6.5 Electronegativity Trend

Module 6.5 Electronegativity Quiz

6.5 Ionization Energy Trend

Module 6.5 Ionization Energy Quiz

6.5 Electron Affinity & Metallic Character Trend

Module 7: Chemical Bonding and Molecular Geometry

15 Topics | 10 Quizzes

7.1 What is a chemical bond?

7.2 Ionic Bonding

Module 7.2 Ionic Bonding Quiz

7.3 Covalent Bonding

Module 7.3 Covalent Bonding Quiz

Module 7.3 Octet Rule Quiz

7.3 Electronegativity

Module 7.3 Electronegativity & Bonding Quiz

7.4 Lewis Symbols and Structures

Module 7.4 Lewis Structure Quiz

Interactive Walkthrough Lewis Dot Structure :

7.5 Formal Charges

Module 7.5 Formal Charge Quiz

Module 7.5 Resonance Quiz

7.6 Strengths of Ionic and Covalent Bonds

Module 7.6 Strength of Covalent Bonds Quiz

7.7 VSEPR Theory

Module 7.7 VSEPR Quiz

Interactive Walkthrough VESPR:

Interactive Walkthrough: VSEPR Molecular Shape of BrF5

7.7 Molecular Polarity & Dipole Moment

Module 7.7 Molecular Polarity Quiz

Module 8: Advanced Theories of Chemical Bonding

9 Topics | 9 Quizzes

8.1 Valence bond Theory

Module 8.1 Valence Bond Theory Quiz

8.2 sp3 Hybridization

Module 8.2 sp3 Hybridization Quiz

8.2 sp2 Hybridization

Module 8.2 sp2 Hybridization Quiz

8.2 sp Hybridization

Module 8.2 sp Hybridization Quiz

8.2 sp3d & sp3d2 Hybridization

Module 8.2 sp3d Hybridization Quiz

Module 8.2 sp3d2 Hybridization Quiz

8.3 Orbital Overlaps & Types of Bonds

Module 8.3 Sigma and Pi Bond Quiz

8.4 Molecular Orbital Theory

Module 8.4 MO Theory Quiz

8.5 Magnetism & MO Theory

Module 8.5 Magnetism & MO Theory

Module 9: Gases

18 Topics | 13 Quizzes

Module 9.2 Manometer Quiz

9.2 Characteristics of Gases

Module 9.3 Boyle’s Law Quiz

9.3 Combined Gas law

Module 9.3 Combined Gas Law Quiz

9.3 Dalton’s Law of Partial Pressure

Module 9.3 Partial Pressure Law Quiz

Interactive Walkthrough: Dalton’s Law

Module 9.4 STP Quiz

9.4 Ideal Gas Law

Module 9.4 Ideal Gas Law Quiz

Interactive Walkthrough: Ideal Gas law

9.4 Density of Gases

Module 9.4 Density of Gas Quiz

Module 9.4 Molar Mass of Gas Quiz

9.5 Gas Stoichiometry

Module 9.5 Gas Stoichiometry Quiz

9.5 Gas Collected over Water

Module 9.5 Gas Collected Over Water Quiz

9.6 Kinetic Molecular Theory

Module 9.6 Kinetic Molecular Theory Quiz

9.6 Diffusion & Effusion

Module 9.6 Effusion of Gases Quiz

Interactive Walkthrough: Graham’s law

9.7 Behavior of Real Gases

Module 9.7 Real Gases Quiz

Module 4.6 Gravimeteric Analysis Quiz

CHEM 1211 Module 4: Chemical Reactions Stoichiometry 4.6 Gravimetric Analysis Module 4.6 Gravimeteric Analysis Quiz

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Question 1 of 3

1. Question
A 0.42 gram sample of acetylsalicylic acid (C₉H₈O₄, aspirin) is crushed and dissolved in water. The sample is titrated with 0.160 M sodium hydroxide. The titration required an average volume of 12.50 ml of sodium hydroxide to reach the

The purity of the sample
- a) 60%
- b) 95%
- c) 86%
- d) 75%
Correct

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Question 2 of 3

2. Question
A sample containing Al₂O₃ and Na₂Cr₂O₇2H₂O was brought into the laboratory for analysis. The analyst heated a 2.2846 gram sample of this material to 100 °C for one hour, at which time only Al₂O₃ and Na₂Cr₂O₇ remained. This mixture was found to weigh 2.2312 grams. Calculate the percent chromium in the sample.
- 6.746% Cr
- 13.50% Cr
- 16.97 % Cr
- 12.56% Cr
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Question 3 of 3

3. Question
In gravimetric analysis, the ideal product should be
- very pure, soluble, and should possess a known composition.
- very pure, insoluble, easily filterable, and should possess an unknown composition
- very pure, insoluble, easily filterable, and should possess a known composition.
- None of the above
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