DLM02 - Physics7A D L M 2 O ve r view...

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Physics 7A DL M 2 Ov e rvi e w CG 1.1 Qualitative Application of Some Models Act-1.1.4 More Practice Using the Models (~50 min) Learning Goals: To become more familiar with the Three Phase Model and the Energy-Interaction Model, the meaning of the model constructs and the diagrammatic representations of the models To become more familiar with applying these two models to particular thermal processes Act-1.1.5 Making Sense of the Heat Pack and other Phenomena (~50 min) Learning Goals: More practice reasoning with the Three Phase Model. Seeing how to extend the Three Phase Model to include super-cooling Seeing how this extension of the Three-Phase Model of Matter is an example of how models start out as simple as possible and are then made more sophisticated as new data-patterns are incorporated CG 1.2 Getting Quantitative with Models Act-1.2.1 Getting Quantitative (~30 min) Learning Goals: Understand the fundamental definition of heat capacity, heat, and a change in temperature. Understand the connection between heat capacity and thermal energy. Understand the difference between heat capacity, molar heat capacity, and specific heat. Be able to decide when to use heat capacity, molar heat capacity, or specific heat. Understand how ¨+ VAP and ¨+ MELT FRQQHFW WR ¨( BOND . Text Reading Assignment: a) Read pages M3-M13 in Appendix M1 . As you continue to work with models, refer back to this Appendix now and then and use it to put what you are doing in this course in a larger perspective. b) Re-read pages iii-iv, ix-xiv of the introductory material in the text. c) Re-read Chapter 1.
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Physics 7A Exit Handout DLM 02 FNTs 1.2-1) Consider again the phenomenon of two substances at different temperatures exchanging energy as they come to thermal equilibrium. Substance A and substance B, at different temperatures, are placed in contact. They are able to exchange energy as heat, and they can only exchange it with each other. Substance A has a greater initial temperature than substance B. No phase changes occur during this process. Explain whether you agree or disagree with the following statement about the heat exchange described above for substances A & B: ³7KH HQHUJ\ WKDW LV WUDQVIHUUHG DV KHDW WR RU IURP WKH REMHFW ZLWK WKH ODUJHU KHDW FDSDFLW\ PXVW EH JUHDWHU than the energy that is transferred as heat to or from WKH REMHFW ZLWK WKH VPDOOHU KHDW FDSDFLW\±´ 1.2-2)
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DLM02 - Physics7A D L M 2 O ve r view...

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