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문제 73a,b,c,d,e
Write the chemical formulas for the following compounds: (a) aluminum hydroxide (b) potassium sulfate (c) copper(I) oxide (d) zinc nitrate (e) mercury(II) bromide
문제 73f
Write the chemical formulas for the following compounds: (f) iron(III)carbonate
문제 73g
Write the chemical formulas for the following compounds: (g) sodium hypobromite.
문제 74a,b,c,d
Give the chemical formula for each of the following ionic compounds: (a) sodium phosphate (b) zinc nitrate (c) barium bromate (d) iron(II) perchlorate
문제 74e,f,g
Give the chemical formula for each of the following ionic compounds: (e) cobalt(II) hydrogen carbonate (f) chromium(III) acetate (g) potassium dichromate.
문제 75b
Give the name or chemical formula, as appropriate, for each of the following acids: (b) HBr
문제 75c
Give the name or chemical formula, as appropriate, for each of the following acids: (c) H3PO4
문제 75d,e,f
Give the name or chemical formula, as appropriate, for each of the following acids: (d) hypochlorous acid (e) iodic acid (f) sulfurous acid.
문제 76a,b,c
Provide the name or chemical formula, as appropriate, for each of the following acids: (a) hydroiodic acid (b) chloric acid (c) nitrous acid
문제 76e
Provide the name or chemical formula, as appropriate, for each of the following acids: (e) HClO4
문제 76f
Provide the name or chemical formula, as appropriate, for each of the following acids: (f) CH3COOH.
문제 77c,d,e
Give the name or chemical formula, as appropriate, for each of the following binary molecular substances: (c) XeO3 (d) dinitrogen tetroxide (e) hydrogen cyanide
문제 77f
Give the name or chemical formula, as appropriate, for each of the following binary molecular substances: (f) tetraphosphorus hexasulfide.
- The oxides of nitrogen are very important components in urban air pollution. Name each of the following compounds: (a) N2O (b) NO (c) NO2 (d) N2O5 (e) N2O4.
문제 78
문제 79b,c,d,e
Write the chemical formula for each substance mentioned in the following word descriptions (use the front inside cover to find the symbols for the elements you do not know). (b) On treatment with hydrofluoric acid, silicon dioxide forms silicon tetrafluoride and water. (use the front inside cover to find the symbols for the elements you do not know). (c) Sulfur dioxide reacts with water to form sulfurous acid. (use the front inside cover to find the symbols for the elements you do not know). (d) The substance phosphorus trihydride, commonly called phosphine, is a toxic gas. (e) Perchloric acid reacts with cadmium to form cadmium(II) perchlorate.
문제 80c
Assume that you encounter the following sentences in your reading. What is the chemical formula for each substance mentioned? (c) Hydrogen cyanide is a very poisonous gas.
문제 81a
(a) What is a hydrocarbon?
문제 81b3
(b) Pentane is the alkane with a chain of five carbon atoms. Determine its empirical formula.
문제 81b2
(b) Pentane is the alkane with a chain of five carbon atoms. Determine its molecular formula.
문제 82a
(a) What is meant by the term isomer?
문제 82b
(b) Among the four alkanes, ethane, propane, butane, and pentane, which is capable of existing in isomeric forms?
문제 83a
(a) What is a functional group?
문제 83b
(b) What functional group characterizes an alcohol?
문제 83c
(c) Write a structural formula for 1-pentanol, the alcohol derived from pentane by making a substitution on one of the carbon atoms.
문제 84a
Consider the following organic substances: ethylethanoate, ethylmethylether, hexanol, and propanone. (a) Which of these molecules contains three carbons?
문제 84b
Consider the following organic substances: ethylethanoate, ethylmethylether, hexanol, and propanone. (b) Which of these molecules contain a C = O group?
문제 85a
Chloropropane is derived from propane by substituting Cl for H on one of the carbon atoms. (a) Draw the structural formulas for the two isomers of chloropropane.
문제 85b
Chloropropane is derived from propane by substituting Cl for H on one of the carbon atoms. (b) Suggest names for these two compounds.
- Draw the structural formulas for four structural isomers of C4H9Br.
문제 86
문제 87a
Suppose a scientist repeats the Millikan oil-drop experiment but reports the charges on the drops using an unusual (and imaginary) unit called the warmomb (wa). The scientist obtains the following data for four of the drops: Droplet Calculated Charge (wa) A 3.84⨉10−8 B 4.80⨉10−8 C 2.88⨉10−8 D 8.64⨉10−8 (a) If all the droplets were the same size, which would fall most slowly through the apparatus?