Thermodyamics#3=Video
15 Nov 09
Hess’ Law Part I
Determining the change in ethalpy.
Question:
Methane undergoes combustion. What is the change in enthalpy?
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Determining the change in ethalpy.
Question:
Methane undergoes combustion. What is the change in enthalpy?
Watch Video
Thermodynamics #2-Video
13 Nov 09
Calorimetry Problem.
Question: 10 grams of methane undergoes combustion. What is the molar enthalpy of combustion of methane when calorimeter containing 0.0250L of water at 21 C reaches 60 C?
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Chem 30
Question: 10 grams of methane undergoes combustion. What is the molar enthalpy of combustion of methane when calorimeter containing 0.0250L of water at 21 C reaches 60 C?
View Video
Chem 30
Thermodynamic#1-video
12 Nov 09
Determing Enthaply change of Different Phases of Water
Enthaply Video of the following question:
2.00 grams of ice at -10 C is heated to vapor at 110 C.
What is the enthalpy of change?
(∆H fusion = 6.01kJ/mol, c of ice and vapor = 2.01 kJ/(kg ∘C), ∆H of vaporization of water=40.65 kJ/mol
Chem 20,30
Enthaply Video of the following question:
2.00 grams of ice at -10 C is heated to vapor at 110 C.
What is the enthalpy of change?
(∆H fusion = 6.01kJ/mol, c of ice and vapor = 2.01 kJ/(kg ∘C), ∆H of vaporization of water=40.65 kJ/mol
Chem 20,30