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Cellphone companies found that when they raised the price of connecting to wireless hot spots, demand decreased more than proportionally among casual users but decreased less than proportionally among businesspeople. This is because wireless connectivity is a(n) for casual users but a(n) for businesspeople.
Rate Law
An equation that relates the rate of a chemical reaction to the concentration of its reactants, often in the form rate = k[A]^x[B]^y, where k is the rate constant.
Chlorination
A chemical process that introduces chlorine atoms into a molecule.
Acetone
A volatile, colorless liquid used as a solvent and an antiseptic; it's the simplest and most important of the ketones.
ΔH°
The standard enthalpy change of a reaction, indicating the overall heat absorbed or released under standard conditions.
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