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Chemistry141-MSU-Boz
Question | Answer |
---|---|
hypothesis | a tentative explanation or prediction based on experimental observations |
quantitative | numerical data, such as the temperature at which a chemical substance melts, or mass |
qualitative | nonnumerical observations, such as the color of a substance, or physical appearance |
law | a concise verbal or mathematical statement of a behavior or a relation that seems always to be the same under the same conditions |
T/F: Mass is always conserved in chemical reactions. | True |
theory | a well-tested, unifying principle that explains a body of facts and the laws based on them. It is capable of suggesting new hypothesis that can be tested experimentally. It is based on carefully determined and reproducible evidence. |
T/F: Theories can and do change as new facts are uncovered. | True |