'2 cacl 2 hoh' presentation slideshows

Chapter #6

Chapter #6. Chemical Reactions. Chemical Reactions. A chemical reactions is an abbreviated way to show a chemical change A chemical change alters the physical and chemical properties of a substance Factors that indicate a chemical change Change in color Temperature change Change in odor

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Chemical Reactions How do you know if a chemical reactions takes place? A color change takes place

Chemical Reactions How do you know if a chemical reactions takes place? A color change takes place A solid (ppt) forms Bubbles are formed without heating A flame occurs Light or heat is given off/absorbed Water is produced. Chemical Equations. H 2 SO 4 + 2 NaOH ? Na 2 SO 4 + 2 H 2 O

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Leave space between each step to add more information.

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