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Chem 2
Term | Definition |
---|---|
Energy | the capacity to do work |
Chemical Energy | the energy that matter possesses because of its chemical makeup |
Law of Conservation of Mass | the products of a chemical reaction have the same mass as the reactants |
System | a specific portion of matter in a given region of space that has been selected for study during an experiment or observation |
Temperature | a measure of the average kinetic energy of the particles in a sample of matter |
Heat | the sum total of kinetic energy of the particles in a sample of matter |
Specific Heat | the amount of energy required to raise the temp og 1g by 1 degree |
Hypothesis | a reasonable and testable explanation of observations |
Theory | a well tested explanation of observations |
Scientific Law | a description of the natural world that has proven reliable over time |
Accuracy | the extent to which a measurement approaches the true value of a quantity |
Precision | the extent to which a series of measurements of the same quantity made in the same way agree with another |