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1. Chemical Measurements(0)

SI Units
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Metric Prefixes
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Chemical Concentrations
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Volumetric Analysis
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Volumetric Titrations
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2. Tools of the Trade(0)

Safety & Labels
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Buoyancy
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Thermal Dependency
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Volumetric Instruments
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Filtration & Evaporation
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3. Experimental Error(0)

Significant Figures
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Addition and Subtraction Operations
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Multiplication and Division Operations
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Logarithm and Anti-Logarithm Operations
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Precision and Accuracy
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Types of Errors
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Uncertainty
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4 & 5. Statistics, Quality Assurance and Calibration Methods(0)

Mean Evaluation
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The Gaussian Distribution
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Confidence Intervals
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Hypothesis Testing (t-Test)
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Analysis of Variance (f-Test)
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Detection of Gross Errors
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6. Chemical Equilibrium(0)

The Equilibrium State
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The Reaction Quotient
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Le Chatelier's Principle
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Chemical Thermodynamics: Enthalpy
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Chemical Thermodynamics: Entropy
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Chemical Thermodynamics: Gibbs Free Energy
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Solubilty Product Constant
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Protic Acids and Bases
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The pH Scale
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Acid Strength
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7. Activity and the Systematic Treatment of Equilibrium(0)

Ionic Strength of Soluble Salts
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Activity Coefficients
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pH Revisited
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8. Monoprotic Acid-Base Equilibria(0)

Arrhenius Acids and Bases
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Bronsted-Lowry Acids and Bases
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Lewis Acids and Bases
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Auto-Ionization
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Ka and Kb of compounds
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Weak Acid-Base Equilibria
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Ionic Salts of Weak Acids and Bases
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Buffers
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9. Polyprotic Acid-Base Equilibria(0)

Diprotic Acids and Bases
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Polyprotic Acids and Bases
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Diprotic Buffers
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Polyprotic Buffers
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Principal Species
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Isoelectric and Isoionic pH
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10. Acid-Base Titrations(0)

Strong Acid-Strong Base Titrations
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Weak Acid-Strong Base Titrations
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Weak Base-Strong Acid Titrations
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Diprotic Acid Titrations
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Polyprotic Titrations
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11. EDTA Titrations(0)

Metal Chelate Complexes
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EDTA
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EDTA Titration Curves
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12. Advanced Topics in Equilibrium(0)

General Approach to Acid-Base Systems
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Fractional Compositions and Concentrations
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Dependence of Solubility on pH
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13. Fundamentals of Electrochemistry(0)

Basic Concepts
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Electrochemical Cells
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Standard Potentials
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Nernst Equation
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Standard Cell Potential & the Equilibrium Constant
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14. Electrodes and Potentiometry(0)

Potentiometry
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Reference Electrodes
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Junction Potential
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Glass Electrodes and pH Measurements
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15. Redox Titrations(0)

Titrations and Titration Curves
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The End Point
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Analyte Oxidation State
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Oxidizing Agents
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16. Electroanalytical Techniques(0)

Fundamentals of Electrolysis
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Gravimetric Analysis
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Coulometry
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Voltammetry
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17. Fundamentals of Spectrophotometry(0)

Properties of Light
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Absorption of Light
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Measuring Absorbance
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Beer's Law
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Instrument Components
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3. Experimental Error

Addition and Subtraction Operations

3. Experimental Error

Addition and Subtraction Operations: 동영상 및 연습문제

비디오 강의 실무 워크시트

16 문제점

문제 1객관식

What is the primary requirement for adding or subtracting numbers in scientific notation?

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문제 2객관식

When adding 3.2 x 10⁵ and 4.5 x 10⁵, what is the correct process?

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문제 3객관식

Calculate (5.6 x 10³) + (3.4 x 10³) without using a calculator.

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문제 4객관식

What is the result of (6.78 x 10²) - (2.3 x 10²) with the correct number of decimal places?

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문제 5객관식

Combine 1.234 x 10³ and 5.67 x 10² by adjusting decimal places.

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문제 6객관식

Why is it important to manually adjust exponents when adding or subtracting in scientific notation without a calculator?

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문제 7객관식

In the example of adding 4.5 x 10⁶ and 3.2 x 10⁵, what is the first step?

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문제 8객관식

Solve (7.89 x 10⁴) - (2.34 x 10³) by first adjusting the exponents.

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문제 9객관식

Combine 7.89 x 10² and 1.23 x 10³ by adjusting decimal places.

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문제 10객관식

What must be true about the exponents when subtracting numbers in scientific notation?

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문제 11객관식

What happens to the coefficients when adding 2.5 x 10⁷ and 3.5 x 10⁷?

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문제 12객관식

Calculate (8.4 x 10⁵) - (2.1 x 10⁵) without using a calculator.

문제 13객관식

How would you transform 6.0 x 10² and 4.0 x 10³ to have the same exponent for addition?

문제 14객관식

Combine 2.345 x 10³ and 6.789 x 10² by adjusting decimal places.

문제 15객관식

What is a key consideration when manually adding numbers in scientific notation?

문제 16객관식

In the example of subtracting 5.0 x 10⁸ from 7.0 x 10⁸, what is the first step?

Significant Figures 연습문제 Multiplication and Division Operations 연습문제

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