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Chem Mod 02
Apologia Chemistry Module 02
| Question | Answer |
|---|---|
| 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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