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26 Cards in this Set
- Front
- Back
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The branch of chem dealing specifically w/ carbon and carbon compounds is ... |
Organic chemistry |
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The mass of an object per unit of volume is known as its ... |
Density |
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The smallest particles into which a compound may be broken down without changing it into another substance are ... |
Atoms |
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Any substance composed of only one type of atom is called an ... |
Element |
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The randomness of a substance or system is known as ... |
Entropy |
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A group of two or more atoms linked together by chemical bonds is called an ... |
Molecule |
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The branch of science dealing with the study of the flow of energy is called ... |
Thermodynamics |
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Matter and energy may be neither created nor destroyed, only converted from one to another |
1st law of thermodynamics |
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The ratios of the masses of each element in a given compound are always the same, regardless of where it is obtained |
Law of definite composition |
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Every system left to itself will tend toward a condition of minimum potential energy and maximum entropy |
2nd law of thermodynamics |
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How many kelvins are equal to 1 degree Celsius |
273.15 K |
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The SI prefix for one hundredth (10 -2) |
Centi |
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How many meters are in 1 km |
1000 |
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What is the equation to convert from oF to oC |
oC=5/9 (oF-32) |
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How many significant figures are in 100 |
1 |
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How many sig figs are in 1.00 |
3 |
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How many sig fig are in 0.010 |
2 |
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A measure of the force of gravity upon an object is weight |
True |
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The consistency or reproducibility of a measurement |
Precision |
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How close a measurement is to the actual value |
Accurate |
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The temp at which a substance changes from a liquid to a gas |
Boiling point |
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Elements that exist in nature as 2 atom molecules |
Diatomic |
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As kinetic energy of a substance increases the temperature ... |
Increases |
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Measure of how much space an object takes up |
Volume |
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Temperature |
oC = 5/9 (oF - 32) |
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Sig figs |
-non- zero digits are always sig -any zero between non-zero digits are sig -trailing zeros are only sig after the decimal |
