c161l15_10_07b

c161l15_10_07b - State functions State A function that only...

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State functions State functions W A function that only depends on the initial and final states is called a state function W A function that DOES depend on how it got from point A to point B is called a path function W Examples of state functions altitude bank balance distance between 2 places W Examples of path functions distance travelled q total amount spent each month
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Ways Compounds Absorb Energy Ways Compounds Absorb Energy W Amount of energy required to increase temperature is called heat capacity W In ideal gases, three ways to absorb energy Translations: move the whole molecule Rotations: rotate the molecule about an axis Vibrations: change the orientation of the atoms to each other in the molecule
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Another vibration
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What is heat? What is heat? 1. Temperature 2. Speed of particles. 3. Transfer of energy
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Direction of transfer Direction of transfer W Any transfer of energy from the system to the surroundings is an exothermic process W Any transfer of energy from the surroundings to the system is an endothermic process
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Exothermic process Exothermic process
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Endothermic process Endothermic process
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c161l15_10_07b - State functions State A function that only...

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