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Chem Mod 02

Apologia Chemistry Module 02

Energy The ability to do work
Work The force applied to an object times the distance that the object travels parallel to that force
Heat Energy that is transferred as a consequence of temperature differences
First Law of Thermodynamics Energy cannot be created or destroyed. It can only change form.
Potential Energy Energy that is stored (e.g. all substances)
Kinteic Energy Energy that is in motion (e.g. heat)
Metric measurement of energy Joule
Convert Fahrenheit to Celsius °C = 5/9( °F-32 )
Convert Celsius to Fahrenheit °F = 9/5(°C) + 32
Convert Celsius to Kelvin °K = °C + 273.15
1 calorie 4.184 Joules
Calorie The amount of heat necessary to warm one gram of water one degree Celsius
Specific heat The amount of heat necessary to raise the temperature of 1 gram of a substance by 1 degree Celsius
Specific heat formula q = mc∆T where q = amount of heat absorbed or released m = mass of object c = specific heat of object ∆T = change in temperature
Specific heat units J/g°C or cal/g°C or cal/kg°C
Specific heat of water 1.000 cal/g°C or 4.184 J/g°C
Calorimetry equation -q(object) = q(water) + q(calorimeter)
Created by: thomas.macri



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