CHEM 4615. The 1st Law
24 videos • 2,561 views • by Diego Troya
1
Introductory concepts to the 1st Law
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2
Work and heat
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3
Sign convention for work and heat
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4
Work in gas expansions
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5
Work in a gas expansion against a constant external pressure
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6
Work in a reversible isothermal gas expansion
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7
Energy transfer as heat in heating/cooling processes
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8
Internal energy and the first law of Thermodynamics
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9
The first law for an isothermal ideal-gas expansion
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10
The first law at constant volume: path-dependent vs state functions
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11
The variation of internal energy with temperature
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12
The definition of enthalpy
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13
The variation of the enthalpy with temperature
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14
The relationship between heat capacities for an ideal gas
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15
The differences between Enthalpy and Internal Energy
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16
A solved exemplary problem on the First Law
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17
The enthalpy of phase transitions
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18
Foundations of Differential Scanning Calorimetry
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19
Bomb calorimetry: foundations and an example
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20
Mean bond enthalpies
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21
Hess law: reaction enthalpies
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22
Reaction enthalpies with enthalpies of formation
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23
The variation of reaction enthalpy with temperature
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24
The variation of the reaction enthalpy with temperature: Kirchhoff's law
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