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Science 3200 Review for Test #2
Date: Thursday, January 19th
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Test 2 will cover: Notes 9-10 and 10-12 and Notes 14-16
Topics include: Chemical Reactions Balancing Reactions Reaction Rates Acids and Bases Balancing Chemical Formulas
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Review What is a chemical reaction?
It is a rearrangement of atoms or ions What are the five types of chemical reactions? Formation/Synthesis Decomposition Single replacement Double replacement Combustion
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Review 2 conditions must be met for any chemical reaction to occur:
There must be a collision of particles There must be energy present Click to Run
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Review What affects the rate of a reaction? Temperature Concentration
Surface area Catalyst
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Review Recognizing Acids and Bases
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Review Conduction of electricity Turn blue litmus red Taste sour
Acids: Conduction of electricity Turn blue litmus red Taste sour React with metals React with bases Acid + Base = Salt + Water Neutralization Reaction Bases: Conduct electricity Turn red litmus paper blue Taste bitter Reacts with acids Feels slippery
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Review : Balancing Chemical Formulas
Remember the Criss Cross Method!
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Review - Write the following Formulas for the following compounds:
Sodium fluoride ______________________________ Potassium chloride ______________________________ Lithium bromide ______________________________ Beryllium chloride ______________________________ Potassium sulfide ______________________________ Magnesium nitride ______________________________ Calcium phosphide ______________________________ Aluminum chloride ______________________________ Lithium sulfide ______________________________ Barium phosphide ______________________________
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Review - Write the names for the following compounds:
LiCl ______________________________ MgS ______________________________ NaCl ______________________________ Al2O3 ______________________________ CaS ______________________________ Zn3P2 ______________________________ Na2O ______________________________ KBr ______________________________ BeO ______________________________ Al2S3 ______________________________
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