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100 400 300 200 500 100 endo or exo? 400 300 200 500 100 thermo- chemistry 400 300 200 500 100 400...

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100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot… Miscellaneous PHASE CHANGES

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Page 1: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

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ENDO Or

EXO?

400

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Thermo-chemistry

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Lewis. Dot dot dot…

MiscellaneousPHASE

CHANGES

Page 2: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

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?

Page 3: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 1, 200

A cloudy bathroom is an example of this type of phase change.

Phase Changes….200 pts

What is condensation?

Page 4: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 1, 300

The kinetic energy is the greatest for this state of matter.

Phase Changes….300 pts

What is a gas?

Page 5: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 1, 400

IV represents this.

Phase Changes….400 pts

What is the boiling point/Vaporization point?

Page 6: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column1, 500

This is deposition.

Phase Changes….500 pts

What is changing from a gas to a solid?

Page 7: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 2, 100

This type of reaction releases heat.

Endo or Exo….100 pts

What is an Exothermic reaction?

Page 8: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 2, 200

This type of reaction produces a negative enthalpy.

Endo or Exo….200 pts

What is an exothermic reaction?

Page 9: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 2, 300

This type of reaction.

Endo or Exo….300 pts

What is an endothermic reaction?

reactants

products

2859 kJ

Page 10: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 2, 400

Combustion is NOT this type of reaction.

Endo or Exo….400 pts

What is an endothermic reaction?

Page 11: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 2, 500

This type of reaction.2C2H6 + 7O2 → 4CO2 + 6H2O + 3120 kJ

Endo or Exo….500 pts

What is an exothermic reaction?

Page 12: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 3, 100

Energy is needed to do this in a chemical reaction.

Thermochemistry….100 pts

What is break chemical bonds?

Page 13: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 3, 200

Room temperature falls during this type of reaction.

Thermochemistry….200 pts

What is an endothermic reaction?

Page 14: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

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?

Page 15: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 3, 400

The enthalpy of this reaction.

Thermochemistry….400 pts

What is -80kJ?

Page 16: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 3, 500

The study of heat change in chemical reactions.

Thermochemistry….500 pts

What is thermochemistry?

Page 17: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 4, 100

The score of the Bulls game on Monday night against the Nets.

Miscellaneous….100 pts

What is….Nets-110, Bulls-91?

Page 18: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 4, 200

These are the products of a combustion reaction.

Miscellaneous….200 pts

What is CO2 and H2O?

Page 19: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

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?

Page 20: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

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?

Page 21: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 4, 500

Write a balanced chemical equation for the combustion of octane(C8H18).

Miscellaneous….500 pts

What is

Page 22: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 5, 100

These types of compounds conduct electricity.

Lewis Dot dot dot….100 pts

What is ionic?

Page 23: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 5, 200

These types of compouds share electrons.

Lewis Dot dot dot….200 pts

What is covalent compounds?

Page 24: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 5, 300

The Lewis Dot Structure for Cl2.

Lewis Dot dot dot….300 pts

What is ?

Page 25: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 5, 400

The Lewis Dot Structure for ClO4-?

Lewis Dot dot dot….400 pts

What is

Page 26: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

Column 5, 500

The Lewis dot structure for C3H8?

Lewis Dot dot dot….500 pts

What is

Page 27: 100 400 300 200 500 100 ENDO Or EXO? 400 300 200 500 100 Thermo- chemistry 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Lewis. Dot dot dot…

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?


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