Inorganic Chemistry
5th Edition
ISBN: 9780321811059
Author: Gary L. Miessler, Paul J. Fischer, Donald A. Tarr
Publisher: Prentice Hall
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Nitrous acid, HNO2 , is a weak acid that ionizes according to the reaction HNO2 (aq) + H2O(l) ⇄ H3O+(aq) + NO-2 (aq)
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Pb3(PO4)2(s) + 4 H+(aq) <-> 3 Pb2+ (aq) + 2 H2PO4- (aq) Log K = –1.80
Find ∆G° for the reaction.
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A method of determining an equilibrium constant used in agriculture.
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- The conversion of oxygen to ozone has a very small equilibrium constant. 3/2 O2(g) O3(g) K = 2.5 1029 (a) What is the value of K when the equation is written using whole-number coefficients? 3 O2(g) 2 O3(g) (b) What is the value of K for the conversion of ozone to oxygen? 2 O3(g) 3 O2(g)arrow_forwardAtmosphere pressure (P) is a function of elevation: P=P0-1.15*10-4 *(Height in m) where P0 is standard atmosphere pressure. Calculate the equilibrium concentration of dissolved oxygen at sea level and at 2000 m elevation (KH,O2 = 0.00143 mol/L/atm).arrow_forwardSome metals react with water to form hydrogen gas and a basic solution, but other metals react only with steam (hot water vapor). Why? (One answer is correct) which ? - The higher the temperature will more readily break the bonds in the water molecules. This allows for faster reaction - Higher temperature lowers the activation energy -Metals have different reactivities depending on their location in the periodic table of elements -The rate of reaction is not affected by the temperature. Only the types of reactants affect the rate of reaction -Higher temperature inreases the stoichiometic ratios and allows for better reactivityarrow_forward
- What factor explains the evidence of chemical reaction when magnesium ribbon reacts with 1M HCl whereas no evidence of chemical reaction can be seen when copper wire id reacted with 3M HCl? Choose from the choices below: The nature of the reactant. The nature of the acid used. The particle size of the reactant. The concentration of the acid usedarrow_forwardMost barium compounds are very poisonous; however, barium sulfate is often administered internally as an aid in the X-ray examination of the lower intestinal tract (Figure 15.4). This use of BaSO4 is possible because of its low solubility. Calculate the molar solubility of BaSO4 and the mass of barium present in 1.00 L of water saturated with BaSO4.arrow_forwardComplete the following equation. Using Table 15.2, predict whether you would expect the reaction to occur to any significant extent or whether the reaction is more likely to occur in the opposite direction. HCN(aq)+SO42(aq)arrow_forward
- . For the reaction N2(g)+3H2(g)2NH3(g)K=1.3102at a given temperature. If the system at equilibrium is analyzed and the concentrations of both N2and H2are found to be 0.10 M, what is the concentration of NH3in the system?arrow_forwardHow is the pH scale defined? What range of pH values corresponds to acidic solutions? What range corresponds to basic solutions? Why is pH = 7.00 considered neutral? When the pH of a solution changes by one unit, by what factor does the hydrogen ion concentration change in the solution? How is pOH defined? How arc pH and pOH for a given solution related? Explain.arrow_forwardA student set up an experiment for six different trials of the reaction between 1.00-M aqueous acetic acid, CH3COOH, and solid sodium hydrogen carbonate, NaHCO3. CH3COOH(aq) + NaHCO3(s) NaCH3CO2(aq) + CO2(g) + H2O() The volume of acetic acid was kept constant, but the mass of sodium bicarbonate increased with each trial. The results of the tests are shown in the figure. (a) In which trial(s) is the acetic acid the limiting reactant? (b) In which trial(s) is sodium bicarbonate the limiting reactant? (c) Explain your reasoning in parts (a) and (b).arrow_forward
- The element below aluminum in Group 3A is gallium, and there are numerous similarities in the chemistry of these two elements. For example, the hydroxides of both elements are amphoteric. A consequence of this is that both gallium hydroxide and aluminum hydroxide (a) are insoluble in water (b) dissolve only in acid (c) dissolve only in base (d) dissolve in acid and in basearrow_forwardUse the equation in Exercise 79 to determine H and S for the autoionization of water: H2O(l)H+(aq)+OH-(aq) T(C) KW 0 1.141015 25 1.001014 35 2.091014 40. 2.921014 50. 5.471014arrow_forwardUse the data to the right for the next few questions: FeSCN+2 (Red) —> Fe+3 (Yellow) + SCN-1 (Colorless) A. What will you observe if Fe(NO3)3 is added to the reaction? Explain your answer using Le Chatelier’s Principle and Q. B. What will you observe if the solution is left out in an open container and some of the water evaporates? Explain your answer using Le Chatelier’s Principle and Q. C. When the reaction is heated, a yellow color appears. Is the reaction endothermic or exothermic? Explain using Le Chatelier’s Principle.arrow_forward
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