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Chemistry, 03.08.2019 15:00, Annapetrik
Bonds that are formed by the sharing of valence electrons among two or more atoms are a. van der waals bonds b. bonds that do not exist c. covalent bonds d. ionic bonds
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Chemistry, 22.06.2019 07:30, SchoolFirst9811
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Cryolite, na3alf6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.1.) balance the equation: - alo3(s)+naoh(l)+hf(> na3alf6+h2o(g). 2.) if 17.5 kilograms of al2o3(s), 51.4 kilograms of naoh(l), and 51.4 kilograms of hf(g) react completely, how many kilograms of cryolite will be produced? 3.)which reactants will be in excess, (al2o3, naoh, or hf) 4.)what is the total mass of the excess reactants left over after the reaction is complete in kg?
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