Give the systematic names for the formulas or the formulas for the names: (a) CoO; (b) mercury(I) chloride; (c) Pb(C₂H₃O₂)₂3H₂O; (d) chromic oxide.
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Give the systematic names for the formulas or the formulas for the names: (a) CoO; (b) mercury(I) chloride; (c) Pb(C₂H₃O₂)₂3H₂O; (d) chromic oxide.
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- The present average concentration (mass percent) of magnesium ions in seawater is 0.13%. A chemistry textbook estimates that if 1.00 × 108 tons Mg were taken out of the sea each year, it would take one million years for the Mg concentration to drop to 0.12%. Do sufficient calculations to either verify or refute this statement. Assume that Earth is a sphere with a diameter of 8000 mi, 67% of which is covered by oceans to a depth of 1 mi, and that no Mg is washed back into the oceans at any time.Give the name and formula of the compound formed from the following elements: (a) cesium and bromine; (b) sulfur and bar-ium; (c) calcium and fluorine.Give the chemical formulas for (a) silicon tetrabromide,(b) disulfur dichloride, (c) diphosphorus hexaoxide
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- 1. Provide the chemical formula (including brackets where appropriate) or systematic name for the following compounds. (a) gold(I) hypoiodite (b) HI(aq): (f) Ca(ClO4)2·4H2O: 2. What mass (in g) of chlorine atoms are there in a sample that consists of 5e+23 molecules of molecular chlorine? INSTRUCTIONS: Report your answer to 3 significant figures in scientific notation unless stated otherwise. DO NOT include the units in your answer.From the molecular structures shown here, identify the onethat corresponds to each of the following species: (a) chlorinegas; (b) propane; (c) nitrate ion; (d) sulfur trioxide;(e) methyl chloride, CH3Cl.Write the chemical formulas for (a) potassium sulfide, (b) calcium hydrogen carbonate c) nickel(II) perchlorate. for (d) silicon tetrabromide, (e) disulfur dichloride.
- (a) What is a hydrocarbon? (b) Butane is the alkane with a chain of four carbon atoms. Write a structural formula for this compound and determine its molecular and empirical formulas.Calculate (a) the number of atoms in 1.05 × 10−6 mole of helium and (b) the number of moles of helium that contains 2.33 × 1021 atoms.Elements in the same group of the periodic table often form oxyanions with the same general formula. The anions are also named in a similar fashion. Based on these observations, suggest a chemical formula or name, as appropriate, for each of the following ions: (a) BrO4 -, (b) SeO3 2-, (c) arsenate ion, (d) hydrogen tellurate ion.