ssohs/3026619/variants/3026619/take/12/ = Governor's Next Generation Commis... >O O< Step 1 2 3 4 5 6 7 Explanation Assign the oxidation number. Split equation into two half- reactions. Identify the oxidized and reduced species. Balance atoms that are not hydrogen or oxygen. Compute electrons lost and gained. Complete the reaction. Check your work. DISMISS Show My Work On the left-hand side, Al is 0, S is +6, and O is -2. On the right-hand side, Al is +3, S is +6, O is -2, and H is +1. Al(s) →Al2(SO4)3(aq) and H₂SO4(aq)→ H2(g) Al was oxidized. H₂SO4 was reduced. You need 2 Al(s) on the left-hand side, and you need 3H₂SO4(aq) also on the left-hand side. 3 electrons lost in oxidation 1 electron gained in reduction You need 3H2(g). This gives 2Al(s) + 3H₂SO4(aq) → Al2(SO4)3(aq) + H2(g)- The aluminum reaction lost 3 electrons and there is one instance of that. The sulfuric acid (H₂SO4) reaction gained 1 electron and there are 3 instances of that. It is balanced. All Changes Saved Continue
ssohs/3026619/variants/3026619/take/12/ = Governor's Next Generation Commis... >O O< Step 1 2 3 4 5 6 7 Explanation Assign the oxidation number. Split equation into two half- reactions. Identify the oxidized and reduced species. Balance atoms that are not hydrogen or oxygen. Compute electrons lost and gained. Complete the reaction. Check your work. DISMISS Show My Work On the left-hand side, Al is 0, S is +6, and O is -2. On the right-hand side, Al is +3, S is +6, O is -2, and H is +1. Al(s) →Al2(SO4)3(aq) and H₂SO4(aq)→ H2(g) Al was oxidized. H₂SO4 was reduced. You need 2 Al(s) on the left-hand side, and you need 3H₂SO4(aq) also on the left-hand side. 3 electrons lost in oxidation 1 electron gained in reduction You need 3H2(g). This gives 2Al(s) + 3H₂SO4(aq) → Al2(SO4)3(aq) + H2(g)- The aluminum reaction lost 3 electrons and there is one instance of that. The sulfuric acid (H₂SO4) reaction gained 1 electron and there are 3 instances of that. It is balanced. All Changes Saved Continue
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...
Related questions
Question
Indicate which dots are mistakes ty

Transcribed Image Text:Alert 1 of 1: Governor's Next Generation Commis...
HOTSPOT ANSWER
A learner submits the table below to show how the following unbalanced re-
action should be balanced.
Al(s) + H₂SO4 (aq) → Al₂(SO4)3(aq) + H 2(g)
However, the learners has made some mistakes. Press the hotspots of all the
cells in the table below that contain mistakes.
Step
1
2
3
Explanation
Assign the
oxidation
number.
4
Split equation
into two half-
reactions.
Identify the
oxidized and
reduced species.
Balance atoms
that are not
á ð ó ó ó ó ó óoðonoð
DISMISS
J
Show My Work
On the left-hand side, Al is 0, S is +6, and O is
-2. On the right-hand side, Al is +3, S is +6, O
is -2, and H is +1.
Al(s)
Al2(SO4)3(aq) and H₂SO4(aq)→ H2(g)
Al was oxidized.
H₂SO4 was reduced.
You need 2 Al(s) on the left-hand side, and you
need 3H₂SO
also on the left-hand side.
K
Continue
De

Transcribed Image Text:Alert 1 of 1: Governor's Next Generation Commis...
HOTSPOT ANSWER
A learner submits the table below to show how the following unbalanced re-
action should be balanced.
Al(s) + H₂SO4 (aq) → Al₂(SO4)3(aq) + H 2(g)
However, the learners has made some mistakes. Press the hotspots of all the
cells in the table below that contain mistakes.
Step
1
2
3
Explanation
Assign the
oxidation
number.
4
Split equation
into two half-
reactions.
Identify the
oxidized and
reduced species.
Balance atoms
that are not
á ð ó ó ó ó ó óoðonoð
DISMISS
J
Show My Work
On the left-hand side, Al is 0, S is +6, and O is
-2. On the right-hand side, Al is +3, S is +6, O
is -2, and H is +1.
Al(s)
Al2(SO4)3(aq) and H₂SO4(aq)→ H2(g)
Al was oxidized.
H₂SO4 was reduced.
You need 2 Al(s) on the left-hand side, and you
need 3H₂SO
also on the left-hand side.
K
Continue
De
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps with 3 images

Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Recommended textbooks for you

Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning

Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education

Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning

Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning

Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education

Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning

Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education

Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning

Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY