1 Chemists And Chemistry 2 Atoms, Molecules, And Ions 3 Stoichiometry 4 Types Of Chemical Reactions And Solution Stoichiometry 5 Gases 6 Chemical Equilibrium 7 Acids And Bases 8 Applications Of Aqueous Equilibria 9 Energy, Enthalpy, And Thermochemistry 10 Spontaneity, Entropy, And Free Energy 11 Electrochemistry 12 Quantum Mechanics And Atomic Theory 13 Bonding: General Concepts 14 Covalent Bonding: Orbitals 15 Chemical Kinetics 16 Liquids And Solids 17 Properties Of Solutions 18 The Representative Element 19 Transition Metals And Coordination Chemistry 20 The Nucleus: A Chemist’s View 21 Organic And Biochemical Molecules expand_more
Chapter Questions expand_more
Problem 1DQ Problem 2DQ: Consider the equation A+2BAB2 . Imagine that10 moles of A is reacted with 26 moles of B. Use a... Problem 3DQ Problem 4DQ Problem 5DQ Problem 6DQ: For the preceding question, which of the following equationsbest represents the reaction? a.... Problem 7DQ Problem 8DQ: A kerosene lamp has a mass of 1.5 kg. You put 0.5 kg ofkerosene in the lamp. You burn all the... Problem 9DQ Problem 10DQ: You may have noticed that water sometimes drips froman exhaust pipe of a car as it is running. Is... Problem 11DQ Problem 12DQ Problem 13DQ Problem 14DQ: Atoms of three different elements are represented by , , and . Which compound is left over when... Problem 15DQ Problem 16DQ Problem 17DQ Problem 18DQ Problem 19DQ: Chlorine exists mainly as two isotopes, 37Cland35Cl .Which is more abundant? How do you know? Problem 20DQ: According to the law of conservation of mass, mass cannotbe gained or destroyed in a chemical... Problem 21DQ Problem 22DQ Problem 23E Problem 24E Problem 25E Problem 26E Problem 27E Problem 28E: An element consists of 1.40% of an isotope with mass203.973 u, 24.10% of an isotope with mass... Problem 29E Problem 30E: Naturally occurring tellurium (Te) has the followingisotopic abundances: Draw the mass spectrum of... Problem 31E: Gallium arsenide (GaAs) has gained widespread use insemiconductor devices that interconvert light... Problem 32E Problem 33E Problem 34E Problem 35E Problem 36E: How many atoms of nitrogen are present in 5.00 g ofeach of the following? a. glycine, C2H5O2N c.... Problem 37E: Consider the following gas samples: 4.0 g of hydrogengas, 4.0 g of helium gas, 1.0 mole of fluorine... Problem 38E Problem 39E Problem 40E Problem 41E Problem 42E Problem 43E: In 1987 the first substance to act as a superconductor ata temperature above that of liquid nitrogen... Problem 44E Problem 45E Problem 46E: Vitamin B12 , cyanocobalamin, is essential for human nutrition.It is concentrated in animal tissue... Problem 47E Problem 48E Problem 49E Problem 50E: Give the empirical formula of each of these compounds. Problem 51E: Determine the molecular formulas to which the followingempirical formulas and molar masses pertain.... Problem 52E: A sample of urea contains 1.121 g N, 0.161 g H,0.480 g C, and 0.640 g O. What is the empirical... Problem 53E Problem 54E: The compound adrenaline contains 56.79% C, 6.56%H, 28.37% O, and 8.28% N by mass. What is... Problem 55E: The most common form of nylon (nylon-6) is 63.68%carbon, 12.38% nitrogen, 9.80% hydrogen, and... Problem 56E Problem 57E Problem 58E Problem 59E Problem 60E Problem 61E Problem 62E Problem 63E Problem 64E Problem 65E Problem 66E: Iron oxide ores, commonly a mixture of FeOand Fe2O3 ,are given the general formula Fe3O4 . They... Problem 67E Problem 68E Problem 69E Problem 70E Problem 71E Problem 72E Problem 73E: Elixirs such as Alka-Seltzer use the reaction of sodiumbicarbonate with citric acid in aqueous... Problem 74E Problem 75E Problem 76E Problem 77E Problem 78E: Bacterial digestion is an economical method of sewagetreatment. The reaction... Problem 79E Problem 80E Problem 81E Problem 82E Problem 83E: Hydrogen peroxide is used as a cleaning agent in thetreatment of cuts and abrasions for several... Problem 84E: Silver sulfadiazine burn-treating cream creates a barrieragainst bacterial invasion and releases... Problem 85E: Bornite (Cu3FeS3) is a copper ore used in the productionof copper. When heated, the following... Problem 86E: DDT, an insecticide harmful to fish, birds, and humans,is produced by the following reaction:... Problem 87E Problem 88E Problem 89E Problem 90E Problem 91AE Problem 92AE Problem 93AE: A sample of a hydrocarbon (a compound consisting ofonly carbon and hydrogen) contains 2.591023... Problem 94AE Problem 95AE Problem 96AE: The empirical formula of styrene is CH; the molar massof styrene is 104.14 g/mol. How many H atoms... Problem 97AE: A 0.755-g sample of hydrated copper(II) sulfate (CuSO4xH2O) was heated carefully until it had... Problem 98AE Problem 99AE Problem 100AE Problem 101AE Problem 102AE Problem 103AE Problem 104AE Problem 105AE Problem 106AE Problem 107AE Problem 108AE Problem 109AE Problem 110AE Problem 111AE Problem 112AE Problem 113AE Problem 114AE Problem 115AE Problem 116AE Problem 117AE Problem 118AE Problem 119AE Problem 120AE: Which of the following statements about chemical equationsis(are) true? a. When balancing a chemical... Problem 121AE Problem 122AE Problem 123CP Problem 124CP: When the supply of oxygen is limited, iron metal reactswith oxygen to produce a mixture of FeOand... Problem 125CP: Element X forms both a dichloride (XCl2) and a tetrachloride (XCl4) . Treatment of 10.00 g of XCl2... Problem 126CP: Zinc and magnesium metal each react with hydrochloricacid to make chloride salts of the respective... Problem 127CP: An unknown binary compound containing hydrogen (XHn) has a density as a gas that is 2.393 times that... Problem 128CP: A 2.25-g sample of scandium metal is reacted with excesshydrochloric acid to produce 0.1502 g... Problem 129CP: When M2S3(s) is heated in air, it is converted to MO2(s) .A 4.000-g sample of M2S3(s) shows a... Problem 130CP: Consider a gaseous binary compound with a molar massof 62.09 g/mol. When 1.39 g of this compound is... Problem 131CP Problem 132CP: You take 1.00 g of an aspirin tablet (a compound consistingsolely of carbon, hydrogen, and oxygen),... Problem 133CP: Lanthanum was reacted with hydrogen in a given experimentto produce the nonstoichiometric compound... Problem 134CP Problem 135CP: Consider a mixture of potassium chloride and potassiumnitrate that is 43.2% potassium by mass. What... Problem 136CP Problem 137CP Problem 138CP: A gas contains a mixture of NH3(g)andN2H4(g) , both ofwhich react with O2(g) to form NO2(g)andH2O(g)... Problem 139MP Problem 140MP format_list_bulleted