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Thermochemistry
Review basic vocabulary for thermochemistry.
| Question | Answer |
|---|---|
| The study of energy changes that occur during a chemical reaction or change of state. | Thermochemistry |
| What type of energy is stored in chemical bonds? | Potential energy |
| Energy that is transferred from one object to another. | Heat |
| What is the absence of heat called? | Cold |
| What direction will heat always flow/move? | From a warmer object to a colder object |
| The measure of the total kinetic energy of a sample. | Heat |
| The unit of heat is _____. | Joules (J) |
| The units for temperature are _____ or _____. | degrees Celsius or Kelvins |
| The measure of average kinetic energy of a sample. | Temperature |
| Energy can not be created or destroyed - it can only change form. | Law of Conservation of Energy |
| The measure of disorder of a system. | Entropy |
| What state of matter contains the highest amount of entropy? | Gas |
| Symbol for entropy | "delta" S |
| Symbol for enthalpy | "delta" H |
| When a chemical reaction will proceed by itself, this is called _____. | Spontaneous |