Chemical reaction worksheet. When added to water it reacts quickly to make hydrogen gas. Chemical reaction lesson plans. Acids bases detective learn to prepare universal indicator at home.
In a chemical reaction the atoms and molecules that interact with each other are called reactants. Reaction rates name chemistry. Showing top 8 worksheets in the category what is chemical dependency.
The addition or change of a subscript changes the meaning of the formula unit and of the equation. Alcl3 na2so4 al2so43 nacl double displacement 4. In an equation all chemical species appear as correct formula units.
Part b read each scenario. A study of reaction is called chemical. Pbcl2 agno3 pbno32 agcl double displacement 2.
During a chemical reaction the molecules involved have to bump into each other. Zn s zns synthesis redox. A study of matter c 2004 gpb 123 1.
Decide whether a physical or chemical change has occurred and give evidence for your decision. What is chemical dependency. Sodium metal na is stored in kerosene so it won t react with water vapour.
Acids and bases determine the acidity of various liquids. 1 distinguish between the differences of acidsbases 2 demonstrate how to test for acids and bases and 3 communicate the significance of testing for acids and bases. Acidsbases the student will be able to.
The likelihood of this happening is much higher when the molecules are moving faster. Nh3 hcl nh4cl synthesis redox 3.