4. BONUS: Lab Techniques and Procedures

Experimental Error

CH403 3 Experimental Error

Error&#160;can be grouped into 2 major categories:&#160;Random error&#160;and Systematic&#160;error.&#160;

[1.4] Experimental errors

Systematic Error

Experimental Error Analysis

How to calculate experimental error

Error and Percent Error

Random Errors

Calculating percent error allows a chemist to determine the amount of precision in their calculations.&#160;

Experimental Error Calculations

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1. Intro to General Chemistry

2. Atoms & Elements

3. Chemical Reactions

5. BONUS: Mathematical Operations and Functions

6. Chemical Quantities & Aqueous Reactions

7. Gases

8. Thermochemistry

9. Quantum Mechanics

10. Periodic Properties of the Elements

11. Bonding & Molecular Structure

12. Molecular Shapes & Valence Bond Theory

13. Liquids, Solids & Intermolecular Forces

14. Solutions

15. Chemical Kinetics

16. Chemical Equilibrium

17. Acid and Base Equilibrium

18. Aqueous Equilibrium

19. Chemical Thermodynamics

20. Electrochemistry

21. Nuclear Chemistry

22. Organic Chemistry

23. Chemistry of the Nonmetals

24. Transition Metals and Coordination Compounds

[BOOK CHEM] Clutch Version

Chromatography

Chromatography&#160;uses differences in molecular attraction to separate components within a mixture.&#160;

Experimental error&#160;is the difference between measurements, which deviates from a true value.&#160;

Filtration and Evaporation

FIltration&#160;and&#160;evaporation&#160;allow for the separation of a solid from a liquid mixture.&#160;

Distillation & Floatation

Distillation&#160;and&#160;Floatation&#160;represent&#160;procedures that can be used to separate components of a mixture.&#160;

Extraction

Extraction&#160;involves the separation of a solid from a solution mixture by selective precipitation.&#160;

Laboratory Materials

The laboratory portion of your chemistry course puts into practice some of the concepts you&#8217;ll gradually be learning. In this section we will familiarize ourselves with some of the basic apparatuses you&#8217;ll be using.&#160;

Test for Ions and Gases

Below are the useful tests that can be employed to identify ions and gases within&#160;typical laboratory procedures.&#160;

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