Science-Chemical bonds
Terms
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Balance the equation:
Al2(SO4)3 + KOH-> K2SO4 + AL(OH)3 - Al2(SO4)3 + 6KOH ->3K2SO4 + 2AL(OH)3
- What is a synthesis reaction?
- 2+ things combine to form one thing
- What is a decomposition reaction?
- 1 thing breaks into 2+ things
- What is a single replacement reaction?
- An uncombined object replaces part of a combo of objects (+ with +, - with -)
- What is a double replacement reaction?
- 2 combined objects switch parts (+ with +, - with -)
- What color is Phenolphthalein?
- Pink as a base, becomes clear when neutral
- What are 3 factors that affect the rate of a chemical reaction
- Surface area, temperature, strength/concentration
- Defina a catalyst
- something that speeds up reactions but doesnt take part in them. Usually lower the activation energy of reaction
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Give the following formulas:
Single replacement:
AL + CuCl2
Combustion:
C25H52 + O2
Synthesis:
BaO + CO2
Decomposition:
Ag2O
Double replacement:
K2CO3 + BaCl2 -
Single replacement:
AlCl3 + Cu
Combustion:
CO2 + H20
Synthesis:
BaCO3
Decompositions:
Ag + O2
Double replacement:
KCl + BaCO3 -
Give reaction type examples
Decomp
1.
Synthesis
1.
Decomp
2.
Synthesis
2.
Decomp
3.
Synthesis
3.
Decomp
4.
Synthesis
4.
Decomp
5.
Synthesis
5. -
Decomp 1.
Binary compounds break into elements
Synthesis 1.
Elements produce binarys
Decomp 2.
Carbonates (x(metallic)CO3) break into CO2 + X(+ ion)O
Synthesis 2.
CO2 + XO produce carbonates (XCO3)
Decomp 3.
Chlorates (X(+ ion, metallic)CO3) break into XCl + O2
Synthesis 3.
XCl + O2 produces chlorates (XClO3)
Decomp 4.
Bases (X(metallic ion)OH) break into H2O + XO(metallic oxide)
Synthesis 4.
H20 + XO(metallic oxide) produce bases (XOH)
Decomp 5.
Acids break into H2) + non metallic oxide
Synthesis 5.
H2O and non metal oxides produce acids - Define a chemical equation
- an expression that describes a chemical reaction using chemical formulas and other symbols
- Define an element
- matter in which all atoms are alike. Cannot be broken down any further and retain its original properties
- Define a compound
- matter that is a combination of 2+ different atoms that are chemically combines, can be chemically broken down into elements
- Define a mixture
- a material made up of 2+ substances which are not chemically combined, can be seperated by physical means
- In the single replacement lab what was the Blue? Brown?
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Blue-Copper (Cu) ions
Brown- Copper (Cu) as an element