lecture34_mwf_2101_S11

lecture34_mwf_2101_S11 - PHYS 2101 1. Thermodynamic...

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Unformatted text preview: PHYS 2101 1. Thermodynamic Processes A. Isobaric B. Isochoric C. Isothermal D. Adiabatic 2. Ideal Gas Law Spring 2011 PHYS 2101 EX1: How much water initially at 80° C needs to be added to 1.5 kg of ice initially at -10° C so that all of it ends up as water at 20° C? Spring 2011 PHYS 2101 All the ice melts: Q water → T f Q melts Q ice → f T ice Q → T i , ice T i , water T f Q ice → + Q melts + Q ice ( water ) → T f + Q water → T f = Q water → Q water → Q ice → Q water → Q ice → + Q melts ) ( ) ( ) ( , , =- +- + +- water i f w w f w i f i ice i i i T T c m T c m L m T c m water i water f water a ice water to ice ice ice i T T T , s , ← → → → Spring 2011 PHYS 2101 Some of the ice melts: Q water → Q all ⋅ melts Q ice → T i , ice T i , water T f Q ice → + Q melts + Q water → = Q melts Q water → Q ice → Q water → < Q ice → + Q all ⋅ melts ) ( ) ( , , =- + +- water i f w w f melt ice i i i T T c m L m T c m water i water water to ice ice ice i T T , , ← → → Spring 2011 PHYS 2101 Some of the water freezes: Q water → Q all ⋅ freezes Q ice → T i , ice T i , water T f Q ice → + Q freezes + Q water → = Q freezes Q ice → Q water → Q ice → < Q water → + Q all ⋅ freezes ) ( ) ( , , =- +-- water i w w f freeze ice i i i T c m L m T c m water i water ice to water ice ice i T T , , ← ← → Spring 2011 PHYS 2101 All the ice melts: Q ice → T f Q freezes Q water → Q water → T f T i , ice T i , water T f Q ice → T f + Q water → + Q freezes + Q water ( ice ) → T f = Q ice → Q ice → Q water...
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This note was uploaded on 06/20/2011 for the course PHYS 2101 taught by Professor Grouptest during the Spring '07 term at LSU.

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lecture34_mwf_2101_S11 - PHYS 2101 1. Thermodynamic...

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