Download Objectives Section 7.1 Evidence for a Chemical Reaction What are

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

page
1
page
2
page
3
page
4
page
5
page
6
page
7
page
8
Document related concepts
no text concepts found
Transcript 
Section 7.1
Evidence for a Chemical Reaction
Objectives
1. To learn the signals that show a chemical reaction has
occurred
Section 7.1
Evidence for a Chemical Reaction
What are some signs that a chemical reaction is occurring?
Section 7.1
Evidence for a Chemical Reaction
Indications of a Chemical Reaction
•In a chemical reaction, one or more
substances are changed into one or more
NEW substances.
•Indications of a chemical reaction include
signs that a new substance has formed.
Section 7.1
Evidence for a Chemical Reaction
Evolution of heat and/or light; presence of a flame
Section 7.1
Evidence for a Chemical Reaction
Vinegar + baking soda
Production of a gas
Section 7.1
Evidence for a Chemical Reaction
(NH4)2S(aq) + Cd(NO3)2 (aq)
Formation of a precipitate
Section 7.1
Evidence for a Chemical Reaction
Phenolphthalein + NaOH
Color Change
Section 7.1
Evidence for a Chemical Reaction
Related documents