Chemistry & Chemical Reactivity
10th Edition
ISBN: 9781337399074
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Textbook Question
Chapter 4, Problem 137SCQ
Let us explore a reaction with a limiting reactant. Here, zinc metal is added to a flask containing aqueous HCl, and H2 gas is a product.
Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g)
The three flasks each contain 0.100 mol of HCl. Zinc is added to each flask in the following quantities.
When the reactants are combined, the H2 inflates the balloon attached to the flask. The results are as follows:
Flask 1: Balloon inflates completely, but some Zn remains when inflation ceases.
Flask 2: Balloon inflates completely. No Zn remains.
Flask 3: Balloon does not inflate completely. No Zn remains.
Explain these results. Perform calculations that support your explanation.
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Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electrons-pushing arrows for the following reaction or mechanistic step(s).
Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electrons-pushing arrows for the following reaction or mechanistic step(s).
Chapter 4 Solutions
Chemistry & Chemical Reactivity
Ch. 4.1 - What mass of oxygen, O2, is required to completely...Ch. 4.2 - The thermite reaction produces iron metal and...Ch. 4.4 - One method for determining the purity of a sample...Ch. 4.4 - A 0523-g sample of the unknown compound CxHy was...Ch. 4.4 - Prob. 4.5CYUCh. 4.5 - Sodium bicarbonate, NaHCO3, is used in baking...Ch. 4.5 - An experiment calls for you to use 250. mL of 1.00...Ch. 4.6 - (a) What is the pH of a solution of HCI in which...Ch. 4.7 - Prob. 4.9CYUCh. 4.8 - A 25.0-mL sample of vinegar (which contains the...
Ch. 4.8 - Hydrochloric acid. HCl, with a concentration of...Ch. 4.8 - An unknown monoprotic acid reacts with NaOH...Ch. 4.8 - Vitamin C, ascorbic acid (C6HgO6)(molar mass 176.1...Ch. 4.9 - Prob. 4.14CYUCh. 4.9 - Prob. 1.1ACPCh. 4.9 - Excess KI is added to a 100.0-mL sample of a soft...Ch. 4.9 - Prob. 3.1ACPCh. 4.9 - Identify the factor labeled 4 in the strategy...Ch. 4.9 - Identify the factor labeled 3 in this strategy...Ch. 4.9 - Prob. 4.3ACPCh. 4.9 - Prob. 4.4ACPCh. 4 - The reaction of iron(III) oxide with aluminum to...Ch. 4 - What mass of HCI, in grams, is required to react...Ch. 4 - Like many metals, aluminum reacts with a halogen...Ch. 4 - The balanced equation for the reduction of iron...Ch. 4 - Methane, CH4, burns in oxygen. (a) What are the...Ch. 4 - The formation of water-Insoluble silver chloride...Ch. 4 - The metals industry was a major source of air...Ch. 4 - Prob. 8PSCh. 4 - Chromium metal reacts with oxygen to give...Ch. 4 - Ethane, C2H6, burns in oxygen. (a) What are the...Ch. 4 - Prob. 11PSCh. 4 - Ammonia gas can be prepared by the reaction of a...Ch. 4 - The compound SF6 is made by burning sulfur in an...Ch. 4 - Disulfur dichloride, S2Cl2, is used to vulcanize...Ch. 4 - The reaction of methane and water is one way to...Ch. 4 - Aluminum chloride AlCl3, is made by treating scrap...Ch. 4 - In the thermite reaction, iron(III) oxide is...Ch. 4 - Aspirin, C6H4 (OCOCH3) CO3H, is produced by the...Ch. 4 - In Example 4.2, you found that a particular...Ch. 4 - Ammonia gas can be prepared by the following...Ch. 4 - The deep blue compound Cu(NH3)4S04 is made by the...Ch. 4 - Black smokers are found in the depths of the...Ch. 4 - The reaction of methane and water is one way to...Ch. 4 - Methanol, CH3OH, can be prepared from carbon...Ch. 4 - A mixture of CuSO4 and CuSO4.5 H2O has a mass of...Ch. 4 - A 2.634-g sample containing impure CuCl2 2 H2O was...Ch. 4 - Prob. 27PSCh. 4 - Prob. 28PSCh. 4 - Nickel(II) sulfide, NiS, occurs naturally as the...Ch. 4 - The aluminum in a 0.764-g sample of an unknown...Ch. 4 - Prob. 31PSCh. 4 - Mesitylene is a liquid hydrocarbon Burning 0.115 g...Ch. 4 - Naphthalene is a hydrocarbon that once was used in...Ch. 4 - Azulene is a beautiful blue hydrocarbon. 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