Font size
WorksheetsThermodynamics Review
Total questions: 24
Worksheet time: 21mins
Which of the following energy transformations takes place as someone skids to a stop across the ground?
None of these
Thermal Energy to Sound Energy
Sound Energy to Kinetic Energy
Kinetic Energy to Thermal Energy
What energy transformations occur when propane gas is used to lift the balloon?
Mechanical -> light -> chemical
Chemical -> mechanical -> thermal
Thermal -> chemical -> light
Chemical -> thermal -> mechanical
Electrical Energy
Electrical Outlet
Chemical Energy
Battery
Mechanical Energy
Movement
Thermal Energy
Heat
The enthalpy change is a negative (-) value, what side of the equation will the energy value be on.
Reactants
Products
endothermic reaction
exothermic reaction
In the Image, will the heat (-890.4 KJ KJ) be a product or a reactant?
Product
Reactant
In the Image, will the heat (+177.8 KJ) be a product or a reactant?
Product
Reactant
The potential energy diagram of a reaction is shown. Which statement below is correct relating to this reaction?
#1 represents the enthalpy change for this exothermic reaction.
#2 represents the enthalpy change for this endothermic reaction.
#3 represents the enthalpy change for this endothermic reaction.
#4 represents the enthalpy change for this exothermic reaction.
What is the Heat of Reaction ΔH for this reaction?
-200 KJ
200 KJ
400 KJ
-300 KJ
What type of reaction is this?
Exothermic
Endothermic
Energy Producing
No way to tell
Exothermic reactions feel...
Hot
Cold
How do you calculate ΔH?
ΔH = products-reactants
ΔH = reactants-products
How do you calculate ΔT?
ΔT = final temperature- initial temperature
ΔT = initial temperature-final temperature
