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Introductory Physics Homework Help
Do you need to account for the water heating up to the boiling point?
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[QUOTE="curly_ebhc, post: 6834670, member: 36872"] There is energy being transferred to the water, both to change the temperature and change the phase of the evaporated water. The question is really about weather the water that evaporates really reaches 100 ℃. For example: The water heats to 80 ℃ and 10 mL of water are lost. Does the 10 mL of lost water make it all the way to 100 ℃ or just 80℃ but it is the water at the upper end of the energy distribution? This is really for the students to practice their equations. I sometimes do some basic error analysis with the microwave power, but I am not really concerned about the microwave's actual output power for this lab. BTW does anyone know if the power listed on the sticker is the electrical power input into the magnetron or is it actually a measured power of microwave energy? There is most definitely a phase change as some of the water evaporates. Students easily find the lost mass. [/QUOTE]
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Introductory Physics Homework Help
Do you need to account for the water heating up to the boiling point?
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