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100 400 300 200 500 100 Burn, baby Burn 400 300 200 500 100 Diagrams & Curves 400 300 200 500 100 400 300 200 500 100 400 300 200 500 Stoichiometry Redux Energizer Bunny Heat specific ally
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Heat specifically. Energizer Bunny. Stoichiometry Redux. Burn, baby Burn. Diagrams & Curves. 100. 200. 300. 400. 500. 100. 100. 100. 100. 200. 200. 200. 200. 300. 300. 300. 300. 400. 400. 400. 400. 500. 500. 500. 500. What is the symbol for specific heat?. - PowerPoint PPT Presentation
Transcript of 100
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Burn,baby Burn
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Diagrams& Curves
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StoichiometryRedux
EnergizerBunny
Heat specifically
Column 1, 100
What is the symbol for specific heat?
Column 1, 200
In what units is specific heat typically expressed?
Column 1, 300
Breaking bonds results in this type of ΔH.
Column 1, 400
Potential energy
Low
High
Reactants
Products
Step 1Step 2
Which side of the reaction would the excess energy in the diagram above be represented?
Column1, 500
If the same amount of energy is absorbed by sand and water, which one will heat up faster and why?
Combustion (burning) is this kind of reaction.
Column 2, 100
Column 2, 200
Combustion requires this to occur.
Column 2, 300
Combustion reactions always yield these two products.
Calculate the amount of thermal energy (q) that is absorbed by the water.
q = m•cΔTc = 4.2 J/g•c
Column 2, 400
Mass of water 100.0 gInitial water temp 18.0 °CMass of ethanol burned 0.65 gFinal water temp 48.0 °C
Column 2, 500
Write a balanced combustion reaction for methane (CH4)
Column 3, 100
Where on the graph does a solid and liquid exist simultaneously?
Column 3, 200
Boiling point?
Column 3, 300
List three phase changes that are endothermic.
Column 3, 400
What state is this substance in at STP?
Column 3, 500
At 4 atm, the temperature of this substance is decreased from -10 °C to -80 °C. What phase change occurred?
Column 4, 100
State the law of conservation of energy.
Column 4, 200
What are the five main forms of energy?
Column 4, 300
What 2 states can energy exist in?
Column 4, 400
Breaking bonds is what kind of reaction?
Column 4, 500
C5H12 + 8O2 5CO2 + 6H2O + 3510kJ
How much energy is released if 80 g of pentane are
combusted?
Column 5, 100
C5H12 + 8O2 5CO2 + 6H2O + 3510kJ
How much energy is released if 4.5 moles of
pentane are burned?
Column 5, 200
4Fe(s) + 3O2(g) 2Fe2O3(s) + 1625 kJ
How many moles of oxygen are required to produce 12187.5 kJ of energy?
Column 5, 300
Mass of water 100.0 gInitial water temperature 18.0 °CMass of ethanol burned 0.65 gFinal water temperature 48.0 °C
Calculate the number of moles of ethanol
(C2H5OH) consumed from the data above.
Column 5, 400
C(s) + 2S(s) + 89.3 kJ CS2(l)
How many grams of carbon disulfide are produced from 267.9 kJ of energy?
Calculate the molar heat of combustion (kJ/mol) based on the data above.
Cwater = 4.2 J/g•cethanol (C2H5OH) Column 5, 500
Mass of water 100.0 gInitial water temperature 18.0 °CMass of ethanol burned 0.65 gFinal water temperature 48.0 °C
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