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Think about 6.A Imagine that you place Substance A and Substance B in contact with one another Assume that the physical system consisting of Substance
Think about 6.A Imagine that you place Substance A and Substance B in contact with one another Assume that the physical system consisting of Substance A and Substance B is thermally isolated from everything else; i.e.. they can onfy exchange energy with each other. The table below shows the initial states of two different Scenarios for Substance Aand B. The way to read the table is this: Consider one Scenario at a time. So. for Scenario one. the initial state of Substance is A is solid ice at -1D"C and it is placed into contact with Substance B. that begins as liquid water at 20'C. For Scenario 2. again Substance A is solid ice at 40C and it is placed into contact with Substance B. that begins as gaseous water at 105\"C. Initial States Scenario Substance A Substance B Solid ice atr10C Liquid water at 20\"C Solid ice atr10C Gaseous water at 105'0 . For each of the scenarios listed. pick an "everyday amount\" of Substance A and B Then. make an assumption about the mass of that "everyday amount' of substance. Don't forget to justify your assumption. (In other words, what is an everyday amount of liquid water at 20'C? Perhaps a glass of water. Then. you need to decide what a reasonable mass in kilograms is for a glass of water and explain why you chose that particular mass. If I choose a glass of water, then I might think. hmmm a serving size of typical glass of water is 23 fluid oz. Then I might use an online converter to figure outthe mass of S fluid oz of water. Note. please pick your own "everyday amount" - don't use a glass of water). Given the initial states in the table. what temperature range will include the final states for each scenario'.J Please explain your thinking. Start by telling a story about what happens to the two substances. A. In other words. your particular everyday amount of solid ice initially at -1DC is placed into contact with your everyday amount of liquid water initially at 20C and they stay in contact for a long time. What happens? Tell a story. What is the temperature and phase of the system (i e. both substances) after a long time? B. Repeat this for the second scenario. . Eventually. we will learn how to determine the final state of the system. For now. let's draw a Temperature vs. Energy Diagram showing the beginning of the story as the initial state and the end of the story at an intermediate state where the substance is at its nearest 'corner" (see figure) for each scenario Note. each substance needs its own Temperature vs. Energy Diagram. Notice how the figure has a Temperature vs. Energy Diagram for Substance A and Substance B. Then. draw a complete Energy Interaction Diagram for each Temperature vs Energy Diagram. A. How much Heat is necessary to take Substances A and B to their nearest 'corner" for each Scenario? For each Scenario. compare the amount of Heat required to take each substance to its nearest corner. which of these substances gets to the corner first? Please explain yourthinkrng. Do you think both substances will get to the same final point on Temperature vs Energy diagram in the very end (after the Intermediate state from part 3)? Explain your thinking. Think about 6.A Imagine that you place Substance A and Substance B in contact with one another Assume that the physical system consisting of Substance A and Substance B is thermally isolated from everything else; i.e.. they can onfy exchange energy with each other. The table below shows the initial states of two different Scenarios for Substance Aand B. The way to read the table is this: Consider one Scenario at a time. So. for Scenario one. the initial state of Substance is A is solid ice at -1D"C and it is placed into contact with Substance B. that begins as liquid water at 20'C. For Scenario 2. again Substance A is solid ice at 40C and it is placed into contact with Substance B. that begins as gaseous water at 105\"C. Initial States Scenario Substance A Substance B Solid ice atr10C Liquid water at 20\"C Solid ice atr10C Gaseous water at 105'0 . For each of the scenarios listed. pick an "everyday amount\" of Substance A and B Then. make an assumption about the mass of that "everyday amount' of substance. Don't forget to justify your assumption. (In other words, what is an everyday amount of liquid water at 20'C? Perhaps a glass of water. Then. you need to decide what a reasonable mass in kilograms is for a glass of water and explain why you chose that particular mass. If I choose a glass of water, then I might think. hmmm a serving size of typical glass of water is 23 fluid oz. Then I might use an online converter to figure outthe mass of S fluid oz of water. Note. please pick your own "everyday amount" - don't use a glass of water). Given the initial states in the table. what temperature range will include the final states for each scenario'.J Please explain your thinking. Start by telling a story about what happens to the two substances. A. In other words. your particular everyday amount of solid ice initially at -1DC is placed into contact with your everyday amount of liquid water initially at 20C and they stay in contact for a long time. What happens? Tell a story. What is the temperature and phase of the system (i e. both substances) after a long time? B. Repeat this for the second scenario. . Eventually. we will learn how to determine the final state of the system. For now. let's draw a Temperature vs. Energy Diagram showing the beginning of the story as the initial state and the end of the story at an intermediate state where the substance is at its nearest 'corner" (see figure) for each scenario Note. each substance needs its own Temperature vs. Energy Diagram. Notice how the figure has a Temperature vs. Energy Diagram for Substance A and Substance B. Then. draw a complete Energy Interaction Diagram for each Temperature vs Energy Diagram. A. How much Heat is necessary to take Substances A and B to their nearest 'corner" for each Scenario? For each Scenario. compare the amount of Heat required to take each substance to its nearest corner. which of these substances gets to the corner first? Please explain yourthinkrng. Do you think both substances will get to the same final point on Temperature vs Energy diagram in the very end (after the Intermediate state from part 3)? Explain your thinking
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