Ch 18: Heat and TemperatureWorksheetSee all chapters
All Chapters
Ch 01: Units & Vectors
Ch 02: 1D Motion (Kinematics)
Ch 03: 2D Motion (Projectile Motion)
Ch 04: Intro to Forces (Dynamics)
Ch 05: Friction, Inclines, Systems
Ch 06: Centripetal Forces & Gravitation
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Ch 08: Conservation of Energy
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Ch 15: Periodic Motion (NEW)
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Ch 17: Fluid Mechanics
Ch 18: Heat and Temperature
Ch 19: Kinetic Theory of Ideal Gasses
Ch 20: The First Law of Thermodynamics
Ch 21: The Second Law of Thermodynamics
Ch 22: Electric Force & Field; Gauss' Law
Ch 23: Electric Potential
Ch 24: Capacitors & Dielectrics
Ch 25: Resistors & DC Circuits
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Ch 27: Sources of Magnetic Field
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Ch 32: Wave Optics
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Ch 35: Particle-Wave Duality
Ch 36: Atomic Structure
Ch 37: Nuclear Physics
Ch 38: Quantum Mechanics

Solution: (a) For ice, c = 2010 J/(kg•K) and for liquid water c = 4190 J/(kg•K). For water,  Lf = 3.34 x 105 J/kg and Lv = 2.256 x 106 J/kg. A beaker of negligible mass contains 1.50 kg of water at an initial t

Problem

(a) For ice, c = 2010 J/(kg•K) and for liquid water c = 4190 J/(kg•K). For water,  L= 3.34 x 105 J/kg and L= 2.256 x 106 J/kg. A beaker of negligible mass contains 1.50 kg of water at an initial temperature of 40.0°C. 0.200 kg of ice at an initial temperature of -45.0°C is put into the water. If no heat is lost to the surroundings, what is the final temperature after thermal equilibrium has been reached?

 

 

 

 

 

(b) One end of an insulated metal rod is maintained at 100°C while the other end is kept at 0°C by an ice-water mixture. The rod is 0.400 m long and has a cross-sectional area of 2.00 x 10-4 m2. The heat conducted by the rod melts 0.00600 kg of ice in 10.0 minutes. Find the thermal conductivity of the metal of which the rod is made.