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College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
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Textbook Question
Chapter 20, Problem 62PE
Integrated Concepts
How much time is needed for a surgical cauterizer to raise the temperature of 1.00 g of tissue from 37.0°C to 100°C and then boil away 0.500 g of water, if it puts out 2.00 mA at 15.0 kV? Ignore
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Integrated Concepts
How much time is needed for a surgical cauterizer to raise the temperature of 1.00 g of tissue from 37.0ºC to 100ºC and then boil away 0.500 g of water, if it puts out 2.00 mA at 15.0 kV? Ignore heat transfer to the surroundings.
How much time is needed for a surgical cauterizer to raise the temperature of 1.00 g of tissue from 37.0ºC to 100ºC and then boil away 0.500 g of water, if it puts out 2.00 mA at 15.0 kV? Ignore heat transfer to the surroundings.
How do I check my work for this probelm?
An immersion heater utilizing 120 V is used to raise the temperature of a 100 g aluminum cup containing 350 g of ice from -20.0 ºC to a final temperature 35.0 ºC. How much energy is supplied by the immersion heater?
cAl = 900 J/kg.ºC, cwater = 4190 J/kg.ºC, Lf,Al = 3.80 x105 J/kg, Lf,water = 3.34 x106J/kg,
melting point Al = 660 ºC, boiling point water = 100 ºC, csteam= 2010 J/kg.ºC
Clearly state the formulae you’re using and what your letters/symbols mean.
Chapter 20 Solutions
College Physics
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