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General chemistry
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General chemistry
Conversion factor
Chemistry; General chemistry
A conversion factor is a fraction that relates one unit to another. Multiplying a measurement by a conversion factor changes the units of the measurement. For example, since 1 in = 2.54 cm.
Joule
Chemistry; General chemistry
The SI base unit of temperature, defined by assigning 273.16 K to the temperature at which steam, ice, and water are at equilibrium (called the triple point of water). The freezing point of water ...
Semipermeable membrane
Chemistry; General chemistry
A membrane that allows some but not all of the components in a mixture to pass through it. Semipermeable membranes are used in dialysis .
Atomic theory
Chemistry; General chemistry
An explanation of chemical properties and processes that assumes that tiny particles called atoms are the ultimate building blocks of matter.
Fuel cell
Chemistry; General chemistry
A device that converts the chemical energy obtained from a redox reaction directly into electrical energy.
Percent yield
Chemistry; General chemistry
Percent yield equals experimental yield divided by theoretical yield times 100%.
Voltaic cell
Chemistry; General chemistry
An electrochemical cell that spontaneously generates electrical energy. In a voltaic cell, the value of Gibbs free energy is below 0.
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