Problem 1DE Problem 1E: 2.59 Using the periodic table to guide you, predict the chemical formula and name of the... Problem 2E:
2.71 Name the following ionic compounds:
a. Li2O,
b. FeCl3,
c. NaClO,
d. CaSO3,
e. Cu(OH)2,
f.... Problem 3E:
2.83
What is a functional group?
What functional group characterizes an alcohol?
Write a structural... Problem 4E: The element lead (Pb) consists of four naturally occurring isotopes with atomic masses 203.97302,... Problem 5E Problem 6E: The molecules have the same molecular formula (C3H8O) hut different norm al boiling points, as... Problem 7E: A sample of an ionic compound containing iron and chlorine is analyzed and found to have a molar... Problem 8E:
The compound dioxane, which is used as a solvent in various industrial processes, is composed of C,... Problem 9E: If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, Cl2, to form 7.7 g of... Problem 10E:
2.48 Two substances have the same molecular and empirical formulas. Does this mean that they must... Problem 11E: 2.49 Write the empirical formula corresponding to each of the following molecular formulas:
a. Al... Problem 12E: Determine the molecular and empirical formulas of the following; The organic solvent benzene, which... Problem 13E: 251 How many hydrogen atoms are un each of the following
3. C2 H5 OH
b. Ca(C2H5 Coo)2
c. (NH4)3 PO4... Problem 14E Problem 15E: 253 Write the molecular and structural formulas for the compounds represented by the... Problem 16E: 2-54 Write the molecular and structural formulas fo: the compounds represented by the... Problem 17E: Fill in the gaps in the following table’ Problem 18E: 2.56 Fill in the gaps in the following table:
Symbol 31 p3... Problem 19E Problem 20E Problem 21E: Predict the chemical formulas of the compounds formed by the following pairs of ions Cr3+ and Br- ,... Problem 22E Problem 23E Problem 24E: Predict whether each of the following compounds is molecular or ionic. a. B2H6 b. CH3OH, C. LiNO3, d... Problem 25E: 2.66 Which of the following are ionic, and which are molecular?
a. PF5,
b. Nal,
c. SCL2,
a.... Problem 26E Problem 27E Problem 28E:
2.69 Give the names and charges of the cation and anion in each of the following... Problem 29E: Give the names and charges of the cation and anion in each of the following compounds: CuS, Ag2SO4,... Problem 30E Problem 31E:
Give the chemical formula for each of the following ionic compound:
a. sodium phosphate,
b. zinc... Problem 32E:
2.75 Give the name or chemical formula, as appropriate, for each of the following acids:
a.... Problem 33E Problem 34E:
2.T Give the name or Chemical formula, as appropriate, Tor each of the Following binary... Problem 35E Problem 36E Problem 37E: Assume that you encounter the following sentences in your reading What is the chemical formula for... Problem 38E: a. What is a hydrocarbon? b. Pentane is the alkane with a chain of five carbon atoms. Write a... Problem 39E Problem 40E:
2.85 Chloropropane is derived from propane by substituting CI for H on one of the ... Problem 41E Problem 42E: Suppose a scientist repeats the Millikan oil-drop experiment but reports the charges on the drops... Problem 43E:
2.88 The natural abundance of 3He is 0.000137%.
How many protons, neutrons, and electrons are in an... Problem 44E: A cube of gold that is 1.00 cm on a side has a mass of 19.3 g. A single gold atom has a mass of... Problem 45E:
2.90 The diameter of a rubidium atom is 4.95 A. We will consider two different ways of placing the... Problem 46E:
2.91
Assuming the dimensions of the nucleus and atom shown in Figure 2.10, what fraction of the... Problem 47E: (a) What is the significance of the critical pressure of a substance? (b) What happens to the... Problem 48E:
2.93 The nucleus of 6Li is a powerful absorber of neutrons. It exists in the naturally occurring... Problem 49E: The element oxygen has three naturally occurring isotopes, with 8, 9, and 10 neutrons in the... Problem 50E: Using a suitable reference such as the CRC Handbook of Chemistry and Physics or... Problem 51E: There are two different isotopes of bromine atoms. Under normal conditions, elemental bromine... Problem 52E:
2.99 It is common in mass spectrometry to assume that the mass of a cation is the same as that of... Problem 53E: From the following list of elements—Ar, H, Ga, Al, Ca, Br, Ge, K, O—pick the one that best fits;... Problem 54E Problem 55E:
2.102 The explosion of an atomic bomb releases many radioactive isotopes, including strontium-90.... Problem 56E Problem 57E Problem 58E:
2.105 From the molecular structures shown here, identify the one that corresponds to each of... Problem 59E:
2.106 Name each of the following oxides. Assuming that the compounds are ionic, what charge... Problem 60E Problem 61E Problem 62E: Give the chemical names of each of the following familiar compounds a. NaCI (table salt), b.... Problem 63E:
2.112 Many familiar substances have common, unsystematic names. For each of the following, give
the... Problem 64E:
2.113 Because many ions and compounds have very similar names, there is great potential for... Problem 65E:
2.114 In what part of the atom does the strong nuclear force operate
Problem 66E: In the following diagram, the white spheres represent hydrogen atoms and the blue Sphere represent... Problem 67E: In the following digram, the white spheres represent hydrogen atom, the black spheres carbon atoms,... Problem 68E Problem 69E: Balance these equations by providing the missing coefficients Problem 70E: Write the balanced equation for the reaction that occurs when ethylene glycol, C2H4(OH)2 Burns in... Problem 71E Problem 72E: Which of the following is the correct formula weight for calcium phosphate? a. 310.2 amu b. 135.1... Problem 73AE Problem 74AE Problem 75AE: Calculate the percentage of potassium by mass in K2PtCl6. Problem 76AE: Which of the following samples contains the fewest sodium atoms? a. 1 mol sodium oxide b. 45 g... Problem 77AE: In dichloromethane, CH2Cl2 (= 1.60D)), the dispersion force contribution to the intermolecular... Problem 78AE Problem 79AE:
How many oxygen atoms are in (a) 0.25 mol Ca(NO3)2 and (b) 1.50 mol of sodium carbonate?
Problem 80AE Problem 81AE Problem 82AE: What is the mass, in grams, of 6.33 mol of NaHC03 and 3.0 x 10-5 mol of sulfuric acid? Problem 83AE: What is the mass, in grams, of (a) 0.50 mol of diamond (C) and (b) 0.155 mol of ammonium chloride? Problem 84AE: How many chlorine atoms are in 12.2 g of CCL4? a. 4.77 x 1022 b. 7.34 x 1024 c. 1.91 x 1023 d. 2.07... Problem 85AE:
a. How many nitric acid molecules are in 4.20 g of HNO3?
b. How many O atoms are in this sample?
Problem 86AE: A 2.144-g sample of phosgene, a compound used as a chemical warfare agent during World WarI,... Problem 87AE: A 5.325-g sample of methyl benzoate, a compound used in the manufacture of perfumes, contains 3.758... Problem 88AE:
Cyclohexane a commonly used organic solvent, is 85.6% C and 14.4% H by mass with a molar mass of... Problem 89AE Problem 90IE Problem 91IE: Decomposition of KCIO3 is sometimes used to prepare small amounts of O2 in the laboratory: 2KCIO3(s)... Problem 92IE: Propane, C3 H8 (Figure 3.8), is a common fuel used for cooking and home heating. What mass of O2 is... Problem 93IE:
Methanol, CH3OH, reacts with oxygen from air in a combustion reaction to form water and carbon... Problem 94IE: When 24 mol of methanol and 15 mol of oxygen combine in the combustion reaction 2 CH30H(l) + 3... Problem 95IE: a. When 1.50 mol of Al and 3.00 mol of Cl2 combine in the reaction 2 Al(s) + 3 Cl2(g) 2 AlCl3(s),... Problem 96IE: Molten gallium reacts with arsenic to form the semiconductor, gallium arsenide, GaAs, used in... Problem 97IE:
When a 2.00-g strip of zinc metal is placed in an aqueous solution containing 2 50 g of silver... format_list_bulleted