BASIC REACTIONS
EQUATIONS
BALANCING EQUATIONS
DEFINITIONS
RANDOM
100
What is the general equation for synthesis?
A + B → AB
100
How do you balance a chemical equation?
Write equation Count the atoms Change coefficients
100
Balance the following equation and tell us which type it is: H₂O + O₂ → H₂O
2H₂O + 1O₂ → 2H₂O Synthesis
100
What is the definition of COMPLETE IONIC EQUATION?
Ionic equation that shows all particles as they exist.
100
Is cutting paper a physical or chemical change?
Physical Change
200
Which general equation is this: AB → A + B
Decomposition
200
How do you go from word equations to formula equations?
Use periodic table or ion charts
200
Balance the following equation and tell us which type it is: HgO → Hg + O₂
2HgO → 2Hg + O₂ Decomposition
200
What is the definition of NET IONIC EQUATION?
Ionic equation containing only the ones that participate.
200
How can you tell that a chemical reaction has taken place?
-Temperature change -Color change -Odor, gas bubbles, or appearance of a solid
300
What is the general equation for single switch replacement?
A + BC → B + AC
300
What are the requirements for correctly writing a chemical equation?
Reactants and Products
300
Balance the following equation and tell us which type it is: C₃H₈ + O₂ → CO₂ + H₂O
1C₃H₈ + 5O₂ → 3CO₂ + 4H₂O Combustion
300
What is the definition of SPECTATOR IONS?
Ion that does not participate in the reaction.
300
Is salt dissolving a physical or chemical change?
Physical Change
400
What is the general equation for double switch replacement?
AB + CD → AD + CB
400
Why must chemical equations balance?
Law of Conservation of Matter
400
Balance the following equation and tell us which type it is: KOH + H₂SO₄ → K₂SO₄ + H₂O
2KOH + 1H₂SO₄ → 1K₂SO₄ + 2H₂O Double
400
What is the definition of SOLUTE?
A substance that is dissolved in a solution.
400
What is the activity series?
A list of elements from most reactive to least reactive.
500
What is the general equation for combustion?
CH₄ + O₂ → CO₂ + H₂O
500
What words replace the + and → in an equation?
+ reacts with → to produce
500
Balance the following equation and tell us which type it is: C₁₀H16 +Cl2 → C + HCl
1C₁₀H₁₆ + 8Cl₂ → 10C + 16HCl Single Switch Replacement
500
What is the definition of SOLVENT?
A substance that dissolves a solute to form a solution.
500
Why is the activity series important to determine if a reaction will take place?
Because a less reactive element CANNOT kick out a more reactive element.
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