silver solid in aqueous hydrochloric acid Does a chemical change occur? YES NO Cite macroscopic evidence that supports your decision. Cite microscopic evidence that supports your decision. If a chemical change occurred, write the product formulas after the arrow in the chemical reaction. Include an indication of the state of matter: (s), (I), (g) or (ag) If a chemical change didn't occur, write "no reaction". + HCl (aq) Ag (5) ➜

silver solid in aqueous hydrochloric acid Does a chemical change occur? YES NO Cite macroscopic evidence that supports your decision. Cite microscopic evidence that supports your decision. If a chemical change occurred, write the product formulas after the arrow in the chemical reaction. Include an indication of the state of matter: (s), (I), (g) or (ag) If a chemical change didn't occur, write "no reaction". + HCl (aq) Ag (5) ➜

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter6: Chemical Reactions: An Introduction

Section: Chapter Questions

Problem 8ALQ: Table 6.1 lists some clues that a chemical reaction has occurred. However, these events do not...

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Similar questions

3.14 A number of compounds are used in cement, and reactions among them occur when water is added. In one, CaO reacts with Al2O3 and water to form Ca3Al2(OH)12. Write a bal- anced chemical equation for this process.
hat kind of visual evidence indicates that a chemical reaction has occurred? Give an example of each type of evidence you have mentioned. Do all reactions produce visual evidence that they have taken place?
It is stated in Section 6.3 of the text that to balance equations by inspection you start “with the most complicated molecule.” What does this mean? Why is it best to do this?
Classify each of the following reactions as a combination reaction, decomposition reaction, displacement reaction, or combustion reaction. a When solid calcium oxide, CaO, is exposed to gaseous sulfur trioxide, SO3, solid calcium sulfate, CaSO4, is formed. b Calcium metal (solid) reacts with water to produce a solution of calcium hydroxide, Ca(OH)2, and hydrogen gas. c When solid sodium hydrogen sulfite, NaHSO3, is heated, solid sodium sulfite, Na2SO3, sulfur dioxide gas, SO2, and water vapor are formed. d Magnesium reacts with bromine to give magnesium bromide, MgBr2.
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.
Write an equation from the following description: reactants are gaseous NH3 and O2, products are gaseous NO2 and liquid H2O, and the stoichiometric coefficients are 4, 7, 4, and 6, respectively.
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?
Disulfur dichloride, S2Cl2, is used to vulcanize rubber. It can be made by treating molten sulfur with gaseous chlorine. S8() + 4 Cl2(g) 4 S2Cl2(g) Complete this table of reaction quantities for the production of 103.5 g S2Cl2.
Classify each of the following reactions as a combination reaction, decomposition reaction, displacement reaction, or combustion reaction. a When they are heated, ammonium dichromate crystals, (NH4)2Cr2O7, decompose to give nitrogen, water vapor, and solid chromium(III) oxide, Cr2O3. b When aqueous ammonium nitrite, NH4NO2, is heated, it gives nitrogen and water vapor. c When gaseous ammonia, NH3, reacts with hydrogen chloride gas, HCl, fine crystals of ammonium chloride, NH4Cl, are formed. d Aluminum added to an aqueous solution of sulfuric acid, H2SO4, forms a solution of aluminum sulfate, A12(SO4)3. Hydrogen gas is released.
list at least three quantities that must be conserved in chemical reactions.
Consider the following generic equation: H+(aq)+ B(aq)HB(aq)For which of the following pairs would this be the correct prototype equation for the acid-base reaction in solution? If it is not correct, write the proper equation for the acid-base reaction between the pair. (a) nitric acid and calcium hydroxide (b) hydrochloric acid and CH3NH2 (c) hydrobromic acid and aqueous ammonia (d) perchloric acid and barium hydroxide (e) sodium hydroxide and nitrous acid
Table 6.1 lists some clues that a chemical reaction has occurred. However, these events do not necessarily prove the existence of a chemical change. Give an example for each of the clues that is not a chemical reaction but a physical change.

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