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small electrical cells such as those in watches, pacemakers, hearing aids and calculators.
a reaction in which more energy or heat is released than absorbed when the reaction takes...
reactant molecules are in contact with the solid catalyst.
a zigzag, stepped line on the periodic table that separates the metals from the non-metals.
the ratio of the concentration of the products to the concentration of the reactants in a...
a solvent able to dissolve a large number of different chemical compounds. Water is the...