01 - 10 11 12 13 14 15 16 17 18 19 20 21- 25 Question 13 A solution of silver nitrate is mixed with a solution of sodium chloride producing a white precipitate of silver chloride. What ions appear in the net ionic equation? Your answer: O A) hydronium and hydroxide B) silver ion and chloride ion C) nitrate ion and sodium ion O D) nitrate ion, sodium ion, silver ion and chloride ion Clear answer US O 3:4

01 - 10 11 12 13 14 15 16 17 18 19 20 21- 25 Question 13 A solution of silver nitrate is mixed with a solution of sodium chloride producing a white precipitate of silver chloride. What ions appear in the net ionic equation? Your answer: O A) hydronium and hydroxide B) silver ion and chloride ion C) nitrate ion and sodium ion O D) nitrate ion, sodium ion, silver ion and chloride ion Clear answer US O 3:4

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter15: Solutions

Section: Chapter Questions

Problem 114AP

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Many over-the-counter antacid tablets are now formulated using calcium carbonate as die active ingredient, which enables such tablets to also be used as dietary calcium supplements. As an antacid for gastric hyperacidity, calcium carbonate reacts by combining with hydrochloric acid found in the stomach, producing a solution of calcium chloride, converting die stomach acid to water, and releasing carbon dioxide gas (which the person suffering from stomach problems may feel as a burp). Write die balanced chemical equation for this process.
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3.31 What is the difference between a total ionic equation and a net ionic equation?
Which symbols are used to indicate solids, liquids, gases, and aqueous solutions in chemical equations?
Many over-the-counter antacid tablets are now formulated using calcium carbonate as the active ingredient, which enables such tablets to also be used as dietary calcium supplements. As an antacid for gastric hyperacidity, calcium carbonate reacts by combining with hydrochloric acid found in the stomach, producing a solution of calcium chloride, converting the stomach acid to water, and releasing carbon dioxide gas (which the person suffering from stomach problems may feel as a “burp”). Write the unbalanced chemical equation for this process.
The US Environmental Protection Agency (EPA) places limits on the quantities of toxic substances that may be discharged into the sewer system. Limits have been established for a variety of substances, including hexavalent chromium, which is limited to 0.50 mg/L. If an industry is discharging hexavalent chromium as potassium dichromate (K2Cr2O7), what is the maximum permissible molarity of that substance?
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On Easter Sunday, April 3, 1983, nitric acid spilled from a tank car near downtown Denver, Colorado. The spill was neutralized with sodium carbonate: 2HNO3(aq)+Na2CO3(aq)2NaNO3(aq)+H2O(l)+CO2(g) a. Calculate H for this reaction. Approximately 2.0 104 gal nitric acid was spilled. Assume that the acid was an aqueous solution containing 70.0% HNO3 by mass with a density of 1.42 glcm3. What mass of sodium carbonate was required for complete neutralization of the spill, and what quantity of heat was evolved? (Hf for NaNO3(aq) = 467 kJ/mol) b. According to The Denver Post for April 4, 1983, authorities feared that dangerous air pollution might occur during the neutralization. Considering the magnitude of H, what was their major concern?