Energy in Thermal ProcessesPls answer no.1, round the final answer to four decimal places 1. Show that the temperature -40°C is unique in that it has the same numericalvalue on the Celsius and Fahrenheit scales.2. A newly constructed steel bridge has a length of 518 m. How much will its lengthchange between temperature extremes of -20°C and 35°C?3. Equal 0.750 kg masses of lead and tin at 65.0°C are placed in 1.00 kg of waterat 18.0°C. What is the equilibrium temperature of the system?4. A 130.0-g cube of ice at 0°C is dropped into 1.0 kg of water that was originallyat 85°C. What is the final temperature of the water after the ice has melted?5. What mass of water at 25.0°C must be allowed to come to thermal equilibriumwith a 1.85-kg cube of aluminum initially at 1.50 x 102°C to lower the temperatureof the aluminum to 65.0°C? Assume any water turned to steam subsequentlyrecondenses.

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Show that the temperature -40°C is unique in that it has the same numerical value on the Celsius and Fahrenheit scales.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter14: Heat And Heat Transfer Methods

Section: Chapter Questions

Problem 54PE: A glass coffee pot has a circular bottom with a 9.00-cm diameter in contact with a heating element...

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Question

Energy in Thermal Processes Pls answer no.1, round the final answer to four decimal places

1. Show that the temperature -40°C is unique in that it has the same numerical
value on the Celsius and Fahrenheit scales.
2. A newly constructed steel bridge has a length of 518 m. How much will its length
change between temperature extremes of -20°C and 35°C?
3. Equal 0.750 kg masses of lead and tin at 65.0°C are placed in 1.00 kg of water
at 18.0°C. What is the equilibrium temperature of the system?
4. A 130.0-g cube of ice at 0°C is dropped into 1.0 kg of water that was originally
at 85°C. What is the final temperature of the water after the ice has melted?
5. What mass of water at 25.0°C must be allowed to come to thermal equilibrium
with a 1.85-kg cube of aluminum initially at 1.50 x 102°C to lower the temperature
of the aluminum to 65.0°C? Assume any water turned to steam subsequently
recondenses.

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