Signs of A Chem Rxn
Types of Rxns
Balancing Rxns
Energy and Rxns
TYSK from Sci
Misc
100
Chemical or Physical Change
Removing thermal energy from water so it freezes
Physical
100
Two or more reactants combine to form a product
Synthesis
100
__KBr + __ Mg -> __MgBr + __ K
KBr + Mg -> MgBr + K
100
___________ are biological catalysts
Enzymes
100
How many grams are in 1 kg
1000 grams
100
Find the prepositional phrase:
During the winter, Bob went skiing
During the night
200
Physical or Chemical Change
Copper turning Green when exposed to oxygen
Chemical
200
A reactant breaks apart into two or more products
decomposition
200
__NaCl + __ F2 -> __ NaF + __ Cl2
2 NaCl + F2 -> 2 NaF + Cl2
200
A reaction that takes energy from the surrounding environment
endothermic
200
State of matter with defined volume but no defined shape
Liquid
200
Who painted the Mona Lisa?
Leonardo Da Vinci
300
Formation of bubbles indicates what is produced?
Gas
300
AB + C -> AC + B
Single Replacement
300
__H2O + ___O2 -> ___H2O2
2H2O + 1 O2 -> 2 H2O2
300
What do we call the energy required to start a chemical reaction
Activation Energy
300
Name for the group or family of elements that most easily donate electrons
The Alkali Metals
Group 1 (for half points)
300
What Gas was used in this blimp disaster
Hydrogen
400
Physical Or Chemical
Two solutions are mixed in a vial, the vial gets cold
Chemical
400
AB+ CD -> AD + CB
Double Replacement
400
__N2 + __ H2 -> __ NH3
N2 + 3H2 -> 2NH3
400
Endothermic or Exothermic
Exothermic
400
Name this ionic molecule
CaCl2
Calcium Chloride
400
A majority of the US Founding Father's all owned ________
slaves
500
A name for a solid that is produced during a chemical reaction
precipitate
500
CxHz + O2 -> H2O + CO2
Combustion
500
__C8H18 + ___O2 -> ___CO2 + ___H2O
2C8H18 +25O2 -> 16CO2 + 18H2O
500
Breaking bonds _______ energy while Forming new bonds ___________ energy
absorbs, releases
500
Name for group or family of elements that accept electrons the most readily
The Halogens
Group 7 (For half points)
500
Add the linear expressions
(-4x+2) + (-2x +2)
(-6x+4)