100 200 300 400 500 Thermo- Chemistry 100 200 300 400 500 Heat Transfer 100 200 300 400 500 Thermo...

23
Jeopardy! Jeopardy! 100 200 300 400 500 Thermo- Chemist ry 100 200 300 400 500 Heat Transfe r 100 200 300 400 500 Thermo Equatio ns 100 200 300 400 500 Phase changes F

Transcript of 100 200 300 400 500 Thermo- Chemistry 100 200 300 400 500 Heat Transfer 100 200 300 400 500 Thermo...

Jeopardy!Jeopardy!

100100

200200

300300

400400

500500

Thermo-Chemist

ry

100100

200200

300300

400400

500500

Heat Transfe

r

100100

200200

300300

400400

500500

Thermo Equatio

ns

100100

200200

300300

400400

500500

Phase changes

F

Thermochemistry - 100

Energy stored in chemical bonds.

Back to the big boardBack to the big board

Thermochemistry - 200

The amount of heat needed to increase the temperature of an object by 1oC

Back to the big boardBack to the big board

Thermochemistry - 300

A system which loses heat as the

surroundings heat up.

Back to the big boardBack to the big board

Thermochemistry - 400

Positive Enthalpy Change.

Back to the big boardBack to the big board

Thermochemistry - 500

Convert 5 calories to Joules

Back to the big boardBack to the big board

Heat Transfer - 100

Water in a pool heats up slower than the cement around the

pool. Which has the highest specific heat

capacity?Back to the big boardBack to the big board

Heat Transfer - 200

Define Specific Heat

Back to the big boardBack to the big board

Heat Transfer - 300

When 800J of heat are added to 10g of olive

oil at 25oC, the temperature increases to

30oC. What is the specific heat of olive

oil?Back to the big board

Back to the big board

Heat Transfer - 400

A pebble is heated and placed in a foam cup

containing 25ml of water at 25oC. The

temperatures rises to 28oC. How much heat was released by the pebble?Back to the big bo

ardBack to the big board

Heat Transfer - 500

What is the specific heat of a 5g pebble at 100oC if it is placed in 50ml of water at

20oC and the temperature rises to

23oC?Back to the big boardBack to the big board

Thermochemical Equations - 100

Define “Heat of Reaction”.

Back to the big board

Back to the big board

Thermochemical Equations - 200

Is the change in enthalpy positive or

negative for an endothermic reaction?Back to the big

boardBack to the big

board

Thermochemical Equations - 300

Write the thermochemical equation for the

combustion of C3H8 if the heat of

combustion is 2220 kJ/mol

Back to the big board

Back to the big board

Thermochemical Equations - 400

Do reactants or products store more energy in an exothermic reaction?.Back to the big

boardBack to the big

board

Thermochemical Equations - 500

When 2 mol of magnesium react with 1 mol of oxygen, 2 mol of

magnesium oxide form and 1204kJ of heat are released. Write the

thermochemical equation.

Back to the big board

Back to the big board

Phase changes - 100

Define molar heat of fusion.

Back to the big board

Back to the big board

Phase changes - 200

How much heat is required to melt 5g

of ice at 0oC?.

Back to the big board

Back to the big board

Phase changes - 300

Draw a phase change diagram with the correct shape for a substance with the following

values:Boiling point 90oC, Melting point 20oC, It takes more

energy to melt the substance than to vaporize itBack to the big

boardBack to the big

board

Phase changes - 400

How much heat is absorbed when 5g of ice at 0oC changes to water at 25oC?

Back to the big board

Back to the big board

Phase changes - 500

How much heat is released when 5g of vapor at 110oC changes to ice at -10oC?

Back to the big board

Back to the big board

Final Jeopardy!

And the answer is...