How many joules of heat must be added to the 5.0kg of water at 20°C to bring it tothe boiling point 100°C ?(Specific heat of water is 4186 J/kg.ºC)a.16.7x 105J'-16.7× 105JO 67x 104JOd.1404 J

Given data: Mass (m) = 5.0 kg Initial temperature (T0) = 20°C Final temperature (T) = 100°C Specific…

Answered: How many joules of heat must be added…

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter11: Energy In Thermal Processes

Section: Chapter Questions

Problem 16P: Lead pellets, each of mass 1.00 g, are heated to 200.C. How many pellets must be added to 0.500 kg...

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At 25.0 m below the surface of the sea, where the temperature is 5.00C, a diver exhales an air bubble having a volume of 1.00 cm3. If the surface temperature of the sea is 20.0C, what is the volume of the bubble just before it breaks the surface?
Some gun fanciers make their own bullets, which involves melting lead and casting it into lead slugs. How much heat transfer is needed to raise the temperature and melt 0.500 kg of lead, stating from 25.0 ?
Lead pellets, each of mass 1.00 g, are heated to 200.C. How many pellets must be added to 0.500 kg of water that is initially at 20.0C to make the equilibrium temperature 25.0C? Neglect any energy transfer to or from the container.
A steam pipe is covered with 1.50-cm-thick insulating material of thermal conductivity 0.200 cal/cm C s. How much energy is lost every second when the steam is at 200.C and the surrounding air is at 20.0C? The pipe has a circumference of 800. cm and a length of 50.0 m. Neglect losses through the ends of the pipe.
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How much stress is cleated in a steel beam if its temperature changes from 15 to 40 but it cannot expand? For steel, the Young's modulus Y=210109N/m2 from Stress, Strain, and Elastic Modulus (http://cnx.org/content/m58342/latest/#fs-id1163713086230). (Ignore the change in area resulting from the expansion.)
The specific heat of substance A is greater than that of substance B. Both A and B are at the same initial temperature when equal amounts of energy are added to them. Assuming no melting or vaporization occurs, which of the following can be concluded about the final temperature TA of substance A and the final temperature TB of substance B? (a) TA TB (b) TA TB (c) TA = TB (d) More information is needed.
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A construction worker uses a steel tape to measure the length of an aluminum support column. If the measured length is 18.700 m when the temperature is 21.2C, what is the measured length when the temperature rises to 29.4C? Note: Dont neglect the expansion of the tape.

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How many joules of heat must be added to the 5.0kg of water at 20°C to bring it to the boiling point 100°C ? (Specific heat of water is 4186 J/kg.ºC) a. 16.7x 105J b. OB-16.7x 105J O 67x 104J C. Od.1404 J