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How can we learn how to balance chemistry equations?

How can we learn how to balance chemistry equations?

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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How can we learn how to balance chemistry equations?
General Chemistry 1 2. Now let's try a bit more complex problems. Consider the reaction of iron (II) sulfide with oxygen gas to form iron (III) oxide and sulfur dioxide. Write down and balance the equation. ASSESS: Does your result make sense? Think about a way to show that the equation is balanced. We are now ready to use our balanced chemical equation to answer the following questions. A. If you start with 100 formula units of FeS, how many S0₂ molecules can you make? B. How many 02 molecules do you need to produce 2.89 x 1026 formula units of Fe203? PREDICT: In your group discuss the questions below and write down the answers. a) Do you think the number of SO2 molecules that will be produced in question A will be bigger or smaller than 100? Please explain why: b) Do you think the number of O2 molecules that will be required in question B will be bigger or smaller than 2.89 x 1026? Please explain why: A. B. SOLVE: Now answer the 2 questions above by setting up the appropriate unit conversions. 3 F9 F
Transcribed Image Text:General Chemistry 1 2. Now let's try a bit more complex problems. Consider the reaction of iron (II) sulfide with oxygen gas to form iron (III) oxide and sulfur dioxide. Write down and balance the equation. ASSESS: Does your result make sense? Think about a way to show that the equation is balanced. We are now ready to use our balanced chemical equation to answer the following questions. A. If you start with 100 formula units of FeS, how many S0₂ molecules can you make? B. How many 02 molecules do you need to produce 2.89 x 1026 formula units of Fe203? PREDICT: In your group discuss the questions below and write down the answers. a) Do you think the number of SO2 molecules that will be produced in question A will be bigger or smaller than 100? Please explain why: b) Do you think the number of O2 molecules that will be required in question B will be bigger or smaller than 2.89 x 1026? Please explain why: A. B. SOLVE: Now answer the 2 questions above by setting up the appropriate unit conversions. 3 F9 F
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