1 / 7

Ch 3. Sec 2 Chemical properties and changes

Ch 3. Sec 2 Chemical properties and changes. by : Barr & Batten. Chemical properties. Ability to change into a new substance. Examples of chemical properties. Flammability Incombustibility Reacts with oxygen Changes when heated Changes with electrical current Changes with Light

inga
Télécharger la présentation

Ch 3. Sec 2 Chemical properties and changes

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Ch 3. Sec 2 Chemical properties and changes by: Barr & Batten

  2. Chemical properties • Ability to change into a new substance

  3. Examples of chemical properties • Flammability • Incombustibility • Reacts with oxygen • Changes when heated • Changes with electrical current • Changes with Light • Changes with water • Can burn • Doesn’t burn • Bananas turn brown • Copper turns green • Limestone becomes lime & CO2 • Water molecules can be split • Vitamins disintegrate • Alka-Seltzer

  4. Chemical Change • Change in identity, new substance formed • Demo

  5. How do you know a Chemical change has occurred? • Production of bubbles • Production of light • Production of smoke • Production of sound • Production of heat • A color change • Is the change reversible????

  6. What kind of change is it? • http://www.youtube.com/watch?v=5yjEDihEuZI

  7. Law of Conservation of Mass • Mass can not be created or destroyed

More Related