Thermodynamics Study Guide Thermodynamics Study Guide.

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Presentation transcript:

Thermodynamics Study Guide Thermodynamics Study Guide

What is a direct cause of a substance’s temperature increase? Kinetic energy is added to the particles of the substance.

What measurable quantity is proportional to the kinetic energy of atoms and molecules? temperature

crog/movies/irabs.dcr Name the form of kinetic energy that occurs within a molecule when the bonds are stretched or bent? Name the form of kinetic energy that occurs within a molecule when the bonds are stretched or bent? vibrational vibrational

Describe the relationship between two systems in thermal equilibrium? No energy exchange.

As the temperature of a substance increases, its volume tends to increase due to thermal expansion.

If two small beakers of water, one at 70°C and one at 80°C, are emptied into a large beaker, what is the final temperature of the water? final temperature is between 70°C and 80°C

Energy transferred as heat occurs between two bodies in thermal contact when they differ in which of the following properties? temperature

The use of fiberglass insulation in the outer walls of a building is intended to minimize heat transfer through what process? conduction

How is energy transferred as heat always directed? Hot  Cold

Particles with high kinetic energy have? high temperature

Describe temperature during a phase change? Temperature remains constant.

What is the formula to convert temperature scale? Co Co = 5/9(F o -32) Fo Fo = 9/5 Co Co +32 K o = C o + 273

Discussion Question: You must write neatly and in complete sentences. What is specific heat? In terms of energy, what is temperature a measure of? List, describe, and give an example of how the three ways heat is transferred.

The End!