Introduction a review of Chemistry I concepts
There is a special rule for sig. figs. when the place where you round is "50".

Food Calories:

1 food calorie = 1000 science calories

Concept

Handouts and Podcasts

Significant Figures and Measurement
https://docs.google.com/fileview?id=0B3Yv8OiStSJ2Yzk1MzUxM2UtZGZhZC00MTdiLWI3ZDgtYmEzMzk4M2E0MmYw&hl=en
Naming Compounds and Mole Concepts
https://docs.google.com/fileview?id=0B3Yv8OiStSJ2OTkyNTFiNTUtMjAxMC00Y2RkLWFmOTAtMTQ5NTE1NDZjMDc5&hl=en
Balancing Equations
https://docs.google.com/fileview?id=0B3Yv8OiStSJ2ODBiYTM3ZWMtMDc0YS00NDliLWJlN2EtNTM3MDczYjc4Nzhj&hl=en
Stoichiometry
https://docs.google.com/fileview?id=0B3Yv8OiStSJ2ODBiYTM3ZWMtMDc0YS00NDliLWJlN2EtNTM3MDczYjc4Nzhj&hl=en


Videos:

Review of Sig. Figs: