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Which of the following is a correct formula unit of an ionic compound? al2f3 ca2o ca(oh)2 kcl2
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H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?
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Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
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A1.50-liter sample of dry air in a cylinder exerts a pressure of 3.00 atmospheres at a temperature of 25°c. without changing the temperature, a piston is moved in the cylinder until the pressure in the cylinder is reduced to 1.00 atmospheres. the volume of the gas is
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Which of the following is a correct formula unit of an ionic compound? al2f3 ca2o ca(oh)2 kcl2...
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