All Chapters
Ch.1 - Intro to General Chemistry	2hrs & 53mins	0% complete	Worksheet Start
Ch.2 - Atoms & Elements	2hrs & 49mins	0% complete	Worksheet Start
Ch.3 - Chemical Reactions	3hrs & 25mins	0% complete	Worksheet Start
BONUS: Lab Techniques and Procedures	1hr & 38mins	0% complete	Worksheet Start
BONUS: Mathematical Operations and Functions	47mins	0% complete	Worksheet Start
Ch.4 - Chemical Quantities & Aqueous Reactions	3hrs & 55mins	0% complete	Worksheet Start
Ch.5 - Gases	3hrs & 47mins	0% complete	Worksheet Start
Ch.6 - Thermochemistry	2hrs & 28mins	0% complete	Worksheet Start
Ch.7 - Quantum Mechanics	2hrs & 35mins	0% complete	Worksheet Start
Ch.8 - Periodic Properties of the Elements	1hr & 57mins	0% complete	Worksheet Start
Ch.9 - Bonding & Molecular Structure	2hrs & 5mins	0% complete	Worksheet Start
Ch.10 - Molecular Shapes & Valence Bond Theory	1hr & 31mins	0% complete	Worksheet Start
Ch.11 - Liquids, Solids & Intermolecular Forces	3hrs & 40mins	0% complete	Worksheet Start
Ch.12 - Solutions	2hrs & 17mins	0% complete	Worksheet Start
Ch.13 - Chemical Kinetics	2hrs & 22mins	0% complete	Worksheet Start
Ch.14 - Chemical Equilibrium	2hrs & 26mins	0% complete	Worksheet Start
Ch.15 - Acid and Base Equilibrium	4hrs & 42mins	0% complete	Worksheet Start
Ch.16 - Aqueous Equilibrium	3hrs & 48mins	0% complete	Worksheet Start
Ch. 17 - Chemical Thermodynamics	1hr & 44mins	0% complete	Worksheet Start
Ch.18 - Electrochemistry	2hrs & 58mins	0% complete	Worksheet Start
Ch.19 - Nuclear Chemistry	1hr & 33mins	0% complete	Worksheet Start
Ch.20 - Organic Chemistry	3hrs	0% complete	Worksheet Start
Ch.22 - Chemistry of the Nonmetals	2hrs & 1min	0% complete	Worksheet Start
Ch.23 - Transition Metals and Coordination Compounds	1hr & 54mins	0% complete	Worksheet Start

Significant Figures

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Sections
Mixtures	12 mins	0 completed	Learn Summary
Scientific Notation	6 mins	0 completed	Learn
Accuracy & Precision	5 mins	0 completed	Learn
Standard Deviation, Mean, Median & Mode	7 mins	0 completed	Learn
Metric Prefixes	17 mins	0 completed	Learn Summary
Significant Figures	18 mins	0 completed	Learn Summary
Energy, Heat and Temperature	7 mins	0 completed	Learn Summary
Physical & Chemical Changes	7 mins	0 completed	Learn Summary
Dimensional Analysis	28 mins	0 completed	Learn
Density	14 mins	0 completed	Learn Summary
End of Chapter 1 Problems	51 mins	0 completed	Learn

Additional Practice
The Scientific Method
Filtration
Physical & Chemical Properties
Types of Energy

Guide Learn Additional Practice Summary

Next SectionEnergy, Heat and Temperature

Solution: You weigh an object on a balance and read the mass in grams according to the picture. How many significant figures are in this measurement?

Problem

You weigh an object on a balance and read the mass in grams according to the picture. The digital display on a balance reads 21.427 grams.

How many significant figures are in this measurement?

Significant Figures

Solution: You weigh an object on a balance and read the mass in grams according to the picture. How many significant figures are in this measurement?

Problem

Practice Problems

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