Chemistry: Structure and Properties
1st Edition
ISBN: 9780321834683
Author: Nivaldo J. Tro
Publisher: PEARSON
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Chapter 8 Solutions
Chemistry: Structure and Properties
Ch. 8 - What are the correct coefficients (reading from...Ch. 8 - Prob. 2SAQCh. 8 - Prob. 3SAQCh. 8 - For the reaction shown here, 3.5 mol A is mixed...Ch. 8 - Manganese(IV) oxide reacts with aluminum to form...Ch. 8 - Sodium and chlorine react to form sodium chloride....Ch. 8 - Sulfur and fluorine react to form sulfur...Ch. 8 - A reaction has a theoretical yield of 45.8 g. When...Ch. 8 - Prob. 9SAQCh. 8 - Solid potassium chlorate (KCIO3) decomposes into...
Ch. 8 - Prob. 1ECh. 8 - Prob. 2ECh. 8 - What is the difference between a physical change...Ch. 8 - What is the difference between a physical property...Ch. 8 - What is a balanced chemical equation?Ch. 8 - Why must chemical equations be balanced?Ch. 8 - What is reaction stoichiometry? What is the...Ch. 8 - In a chemical reaction, what is the limiting...Ch. 8 - In a chemical reaction, what is the theoretical...Ch. 8 - We typically calculate the percent yield using the...Ch. 8 - Prob. 11ECh. 8 - Prob. 12ECh. 8 - Write a general equation for the reaction of an...Ch. 8 - Prob. 14ECh. 8 - Classify each change as physical or chemical....Ch. 8 - Prob. 16ECh. 8 - Prob. 17ECh. 8 - Prob. 18ECh. 8 - Classify each of the listed properties of...Ch. 8 - Prob. 20ECh. 8 - Classify each property as physical or chemical the...Ch. 8 - Prob. 22ECh. 8 - Sulfuric acid (H2SO4) is a component of acid rain...Ch. 8 - Nitric acid (HNO3) is a component of acid rain...Ch. 8 - Prob. 25ECh. 8 - Prob. 26ECh. 8 - Write a balanced chemical equation for the...Ch. 8 - Write a balanced equation for the photosynthesis...Ch. 8 - Write a balanced chemical equation for each...Ch. 8 - Write a balanced chemical equation for each...Ch. 8 - Write a balanced chemical equation for the...Ch. 8 - Write a balanced chemical equation for the...Ch. 8 - Balance each chemical equation. CO2(g) + CaSiO3(s)...Ch. 8 - Balance each chemical equation. Na2S(aq) +...Ch. 8 - Prob. 35ECh. 8 - Consider the unbalanced equation for the...Ch. 8 - Calculate how many moles of NO2 form when each...Ch. 8 - Calculate how many moles of NH3 form when each...Ch. 8 - Consider the balanced equation: SiO2(s) + 3 C(s)...Ch. 8 - Consider the balanced equation: 2 N2H4(s) +...Ch. 8 - Hydrobromic acid (HBr) dissolves solid iron...Ch. 8 - Sulfuric acid (H2SO4) dissolves aluminum metal...Ch. 8 - For each of the reactions, calculate the mass (in...Ch. 8 - For each of the reactions, calculate the mass (in...Ch. 8 - For the following reaction, determine the limiting...Ch. 8 - Find the limiting reactant for each initial amount...Ch. 8 - Consider the reaction: HCl(g) + O2(g) 2 H2O(g) +...Ch. 8 - Consider the reaction: 2 CH 3 OH(g)+3 O 2 (g)2 CO...Ch. 8 - Calculate the theoretical yield of the product (in...Ch. 8 - Calculate the theoretical yield of product (in...Ch. 8 - Zinc sulfide reacts with oxygen according to the...Ch. 8 - Iron(ll) sulfide reacts with hydrochloric acid...Ch. 8 - For the reaction shown, calculate the theoretical...Ch. 8 - For the reaction shown, calculate the theoretical...Ch. 8 - Iron(lll) oxide reacts with carbon monoxide...Ch. 8 - Elemental phosphorus reacts with chlorine gas...Ch. 8 - Lead(ll) ions can be removed from solution with...Ch. 8 - Prob. 58ECh. 8 - Urea (CH4N2O) is a common fertilizer that is...Ch. 8 - Prob. 60ECh. 8 - Prob. 61ECh. 8 - Complete and balance each combustion reaction...Ch. 8 - Prob. 63ECh. 8 - Prob. 64ECh. 8 - Prob. 65ECh. 8 - Prob. 66ECh. 8 - Prob. 67ECh. 8 - Prob. 68ECh. 8 - Prob. 69ECh. 8 - Prob. 70ECh. 8 - Aspirin can be made in the laboratory by reacting...Ch. 8 - The combustion of liquid ethanol (C2H5OH) produces...Ch. 8 - Prob. 73ECh. 8 - Prob. 74ECh. 8 - Prob. 75ECh. 8 - An important reaction that takes place in a blast...Ch. 8 - A liquid fuel mixture contains 30.35% hexane...Ch. 8 - Titanium occurs in the magnetic mineral ilmenite...Ch. 8 - A mixture of C3H8 and C2H2 has a mass of 2.0 g. It...Ch. 8 - Prob. 80ECh. 8 - Lead poisoning is a serious condition resulting...Ch. 8 - Prob. 82ECh. 8 - Metallic aluminum reacts with MnO2 at elevated...Ch. 8 - Prob. 84ECh. 8 - Consider the reaction: 4K(s)+O2(g)2K2O(s) The...Ch. 8 - Prob. 86ECh. 8 - Consider the reaction:...
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- The amount of sodium hypochlorite in a bleach solution can be determined by using a given volume of bleach to oxidize excess iodide ion to iodine; ClO- is reduced to Cl-. The amount of iodine produced by the redox reaction is determined by titration with sodium thiosulfate, Na2S2O3; I2 is reduced to I-. The sodium thiosulfate is oxidized to sodium tetrathionate, Na2S4O6. In this analysis, potassium iodide was added in excess to 5.00 mL of bleach (d=1.00g/cm3) . If 25.00 mL of 0.0700 M Na2S2O3 was required to reduce all the iodine produced by the bleach back to iodide, what is the mass percent of NaClO in the bleach?arrow_forwardPhosphate buffers are important in regulating the pH of intracellular fluids. If the concentration ratio of H2PO4/HPO42 in a sample of intracellular fluid is 1.1: 1, what is the pH of this sample of intracellular fluid? H2PO4(aq)HPO42(aq)+H+(aq)Ka=6.2108arrow_forwardThe Handbook of Chemistry and Physics (http://openstaxcollege.org/l/16Handbook) gives solubilities of the following compounds in grams per 100 mL of water. Because these compounds are only slightly soluble, assume that the volume does not change on dissolution and calculate the solubility product for each. (a) BaSiF6, 0.026 g/100 mL (contains SiF62- ions) (b) Ce(IO3)4, 1.5102 g/100 mL (c) Gd2(SO4)3, 3.98 g/100 mL (d) (NH4)2PtBr6, 0.59 g/100 mL (contains PtBr62- ions)arrow_forward
- The substance to be analyzed is white, highly soluble in water salt. Addition of barium chloride or silver nitrate (in presence of nitric acid) doesn't give any precipitation. Reaction with zinc uranyl acetate leads to formation of yellow crystals, which have tetrahedral geometry. Addition of antipyrin in acid medium changes color to red. What kind of substance is this? NaNO3 BaSO3 LiCI NaNO2arrow_forwardBalance the following chemical equation. NaHCO3 + H₂C6H5O7→Na3C6H5O7 + H₂O + CO₂ Assume the coefficient of CO₂ is 3. What is the balanced equation? NaHCO3+H₂C6H5O7→ Nª₂C6H5O7+ H₂O +3CO₂arrow_forwardConsider the below redox reaction: IO¸˜¯+2TI* +2CI¯ +6H* IC₁₂¯ +2T1³ + 3H2O Find out what is oxidant and reductant in this reaction. OH-oxidant; Cl¯-reductant IO3 -reductant; TI*-oxidant IO3-oxidant; TI* -reductant Tl-reductant; Cl¯-oxidantarrow_forward
- We are designing a new system to disinfect and remove Lf from water in a single step via ozonation and the precipitation of Lf(OH)3 (s) via the following reactions: peo Eho, mv O3 (g) + 2H* + 2e- +→ 02 (9) + H20 35.06 2074 Lf(OH)3(s) + 2H* + e +→ Lf2+ + 3H20 33.87 2005 (a) Write the balanced overall reaction. (b) Calculate the equilibrium constant for the reaction. (c) Ignoring the presence of any complexes, what is the required concentration of O3(g) to decrease the Lf concentration to below 1nM, assuming the pH remains constant at pH = 8 and the dissolved oxygen concentration (DO) is equal to 10 mg/L (Henry's constant for O2 is 769 atm/(mol/L) = 31.4 M/M.arrow_forwardA 0.6599-g sample of impure magnesite, MgCO3 (MW = 84 g/mole), was decomposed with HCl; the liberated CO2 (MW = 44 g/mole) was collected on absorbent and found to weigh 0.1673-g. Calculate the percentage of magnesium (MW = 24 g/mole) in the sample. MgCO3 (s) + 2 HCl (aq) →MgCl2 (aq) + CO2 (g) + H2O(l) Weight of pure magnesium in the sample is a. 0.1825 g b. 0.0913 g c. 0.3194 g d. 0.0456 g Percentage of magnesium carbonate in the sample is a. 24.20% b. 27.66% c. 48.40% d. 96.80%arrow_forwardWhat type of reaction is Zn + 2HNO3 > H2 + Zn(NO3)2arrow_forward
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