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1. The following quantities are placed in a container: 1.5 x 1024 atoms of hydrogen, 1.0 mol of sulfur, and 88.0 g of diatomic oxygen. a, What is the total mass in grams for the collection of all three elements?

1. The following quantities are placed in a container: 1.5 x 1024 atoms of hydrogen, 1.0 mol of sulfur, and 88.0 g of diatomic oxygen. a, What is the total mass in grams for the collection of all three elements?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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what is the total mass in grams for the collection of all three elements? 
History Bookmarks Profiles Tab Window Help ction Editor PLA-10 - Fall 2021 Ger X P Reaction Yields | Gene X B Homework 3 - Unit 2 m/courses/fall-2021-general-chemistry-i-chem-104-90-91-92-93-33797422/reaction-y Key Equations actual yield • percent yield = x 100 theoretical yield Exercises 1. The following quantities are placed in a container: 1.5 x 1024 atoms of hydrogen, 1.0 mol of sulfur, and 88.0 g of diatomic ox a. What is the total mass in grams for the collection of all three elements? b. What is the total number of moles of atoms for the three elements? c. If the mixture of the three elements formed a compound with molecules that contain two hydrogen atoms, one sulfur atom, and four oxygen atoms, which substance is consumed first? d. How many atoms of each remaining element would remain unreacted in the change described in (c)? gen. 2. What is the limiting reactant in a reaction that produces sodium chloride from 8 g of sodium and 8 g of diatomic chlorine? 3. Which of the postulates of Dalton's atomic theory explains why we can calculate a theoretical yield for a chemical reaction? 4. A student isolated 25 g of a compound following a procedure that would theoretically yield 81 g. What was his percent yield? 5. A sample of 0.53 g of carbon dioxide was obtained calcium carbonate. What is the percent yield for this reaction? CACO3(s) CaO(s) + CO2(s) 6. Freon-12, CCI,F2, is prepared from CCl, by reaction with HF. The other product of this reaction is HCI. Outline the steps needed to determine the percent yield of a reaction that produces 12.5 g of CCl,F2 from 32.9 g of CCI4. Freon-12 has been banned and is no longer used as a refrigerant because it catalyzes the decomposition of ozone and has a very long lifetime in the atmosphere. Determine the percent yield. heating 1.31 g of
Transcribed Image Text:History Bookmarks Profiles Tab Window Help ction Editor PLA-10 - Fall 2021 Ger X P Reaction Yields | Gene X B Homework 3 - Unit 2 m/courses/fall-2021-general-chemistry-i-chem-104-90-91-92-93-33797422/reaction-y Key Equations actual yield • percent yield = x 100 theoretical yield Exercises 1. The following quantities are placed in a container: 1.5 x 1024 atoms of hydrogen, 1.0 mol of sulfur, and 88.0 g of diatomic ox a. What is the total mass in grams for the collection of all three elements? b. What is the total number of moles of atoms for the three elements? c. If the mixture of the three elements formed a compound with molecules that contain two hydrogen atoms, one sulfur atom, and four oxygen atoms, which substance is consumed first? d. How many atoms of each remaining element would remain unreacted in the change described in (c)? gen. 2. What is the limiting reactant in a reaction that produces sodium chloride from 8 g of sodium and 8 g of diatomic chlorine? 3. Which of the postulates of Dalton's atomic theory explains why we can calculate a theoretical yield for a chemical reaction? 4. A student isolated 25 g of a compound following a procedure that would theoretically yield 81 g. What was his percent yield? 5. A sample of 0.53 g of carbon dioxide was obtained calcium carbonate. What is the percent yield for this reaction? CACO3(s) CaO(s) + CO2(s) 6. Freon-12, CCI,F2, is prepared from CCl, by reaction with HF. The other product of this reaction is HCI. Outline the steps needed to determine the percent yield of a reaction that produces 12.5 g of CCl,F2 from 32.9 g of CCI4. Freon-12 has been banned and is no longer used as a refrigerant because it catalyzes the decomposition of ozone and has a very long lifetime in the atmosphere. Determine the percent yield. heating 1.31 g of
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