Chapter 4: Q4.93P (page 182)
Predict the product(s) and write a balanced equation for each of the following redox reactions:
Short Answer
The product and the balance equation of the given reactions are:
(a)
(b)
(c)
Chapter 4: Q4.93P (page 182)
Predict the product(s) and write a balanced equation for each of the following redox reactions:
The product and the balance equation of the given reactions are:
(a)
(b)
(c)
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Get started for freeIn a combination reaction, 1.62 g of lithium is mixed with 6.50 g of oxygen.
(a) Which reactant is present in excess?
(b) How many moles of product are formed?
(c) After reaction, how many grams of each reactant and product are present?
The active compound in Pepto-Bismol contains C, H, O, and Bi.
(a) When 0.22105 g of it was burned in excess O2, 0.1422 g of bismuth(III) oxide, 0.1880 g of carbon dioxide, and 0.02750 g of water were formed. What is the empirical formula of this compound?
(b) Given a molar mass of 1086 g/mol, determine the molecular formula.
(c) Complete and balance the acid-base reaction between bismuth(III) hydroxide and salicylic acid (HC7H5O3), which is used to form this compound.
(d) A dose of Pepto-Bismol contains 0.600 mg of the active ingredient. If the yield of the reaction in part (c) is 88.0%, what mass (in mg) of bismuth(III) hydroxide is required to prepare one dose?
(a) Name three common strong acids.
(b) Name three common strong bases.
(c) What is a characteristic behavior of a strong acid or a strong base?
Balance each of the following redox reactions and classify it as a combination, decomposition, or displacement reaction:
An unknown amount of acid can often be determined by adding an excess of base and then “back-titrating” the excess. A 0.3471-g sample of a mixture of oxalic acid, which has two ionizable protons, and benzoic acid, which has one, is treated with 100.0 mL of 0.1000 M NaOH. The excess NaOH is titrated with 20.00 mL of 0.2000 M HCl. Find the mass % of benzoic acid.
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