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100
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ENDO Or
EXO?
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Thermo-chemistry
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Lewis. Dot dot dot…
MiscellaneousPHASE
CHANGES
Column 1, 100
This state of matter is characterized by loosely packed molecules that have an indefinite
shape, but definite volume.
Phase Changes….100 pts
What is a liquid?
Column 1, 200
A cloudy bathroom is an example of this type of phase change.
Phase Changes….200 pts
What is condensation?
Column 1, 300
The kinetic energy is the greatest for this state of matter.
Phase Changes….300 pts
What is a gas?
Column 1, 400
IV represents this.
Phase Changes….400 pts
What is the boiling point/Vaporization point?
Column1, 500
This is deposition.
Phase Changes….500 pts
What is changing from a gas to a solid?
Column 2, 100
This type of reaction releases heat.
Endo or Exo….100 pts
What is an Exothermic reaction?
Column 2, 200
This type of reaction produces a negative enthalpy.
Endo or Exo….200 pts
What is an exothermic reaction?
Column 2, 300
This type of reaction.
Endo or Exo….300 pts
What is an endothermic reaction?
reactants
products
2859 kJ
Column 2, 400
Combustion is NOT this type of reaction.
Endo or Exo….400 pts
What is an endothermic reaction?
Column 2, 500
This type of reaction.2C2H6 + 7O2 → 4CO2 + 6H2O + 3120 kJ
Endo or Exo….500 pts
What is an exothermic reaction?
Column 3, 100
Energy is needed to do this in a chemical reaction.
Thermochemistry….100 pts
What is break chemical bonds?
Column 3, 200
Room temperature falls during this type of reaction.
Thermochemistry….200 pts
What is an endothermic reaction?
Column 3, 300
This is used to measure the heat flow into or out of a system in a process that occurs at constant pressure.
Thermochemistry….300 pts
What is enthalpy?
Column 3, 400
The enthalpy of this reaction.
Thermochemistry….400 pts
What is -80kJ?
Column 3, 500
The study of heat change in chemical reactions.
Thermochemistry….500 pts
What is thermochemistry?
Column 4, 100
The score of the Bulls game on Monday night against the Nets.
Miscellaneous….100 pts
What is….Nets-110, Bulls-91?
Column 4, 200
These are the products of a combustion reaction.
Miscellaneous….200 pts
What is CO2 and H2O?
Column 4, 300
How much heat is lost when solid Al with a mass of 410 g cools from 100.0 oC to 25 oC? (Specific Heat of Al is 0.902 J/g x oC)
Put answer in kJ and round to the nearest hundredth.
Miscellaneous….300 pts
What is -27.74kJ?
Column 4, 400
This is the name of the song played during the opening of The Lion King. Sing a verse for an extra point!
Miscellaneous….400 pts
What is the Circle of Life?
Column 4, 500
Write a balanced chemical equation for the combustion of octane(C8H18).
Miscellaneous….500 pts
What is
Column 5, 100
These types of compounds conduct electricity.
Lewis Dot dot dot….100 pts
What is ionic?
Column 5, 200
These types of compouds share electrons.
Lewis Dot dot dot….200 pts
What is covalent compounds?
Column 5, 300
The Lewis Dot Structure for Cl2.
Lewis Dot dot dot….300 pts
What is ?
Column 5, 400
The Lewis Dot Structure for ClO4-?
Lewis Dot dot dot….400 pts
What is
Column 5, 500
The Lewis dot structure for C3H8?
Lewis Dot dot dot….500 pts
What is
Final Jeopardy!!!
Ethane(C2H6) is the second-largest component of natural gas and has a heat of combustion of 1560 kJ/mol.
a.Write a balanced chemical equation, including the quantity of energy produced, for the combustion of ethane.
b. If 15.0 moles of ethane burns completely, how much thermal energy would be produced?
a) 2C2H6 + 7O2 ---> 4CO2 + 6H2O + 3,120 kJb) What is 23,400kJ?