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Thermochemistry Ch 6
| Question | Answer |
|---|---|
| state function | property that is independent of the pathway |
| pathway | way that energy is transfered |
| surrounding | everything in the universe around a system |
| thermodynamics | study of energy |
| internal energy | property of system that can be changed by work and/or heat |
| specific heat capacity | energy needed to increase the temperature of one gram of a substance by one degree Celsius |
| molar heat capacity | energy needed to increase the temperature of one mole of a substance by one degree Celsius |
| greenhouse effect | warming effect exerted by the earth’satmosphere due to thermal energy |
| Energy | ability to do work. Produces heat. |
| Potential energy | fuel |
| Kinetic energy | motion/movement |
| Temperature | measures hotness or coldness |
| Heat | energy that is transferred |
| Work | force that can transfer energy |
| System | reactants/products |
| exothermic | energy flows OUT of system in to surrounding |
| endothermic | energy flows INTO system from surrounding |
| Effusion | molecules move without hitting each other thru a tiny hole (vacuum) |