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| Normality & Equivalent Weight | 24 mins | 0 completed | Learn Summary |
| Solution Stoichiometry | 22 mins | 0 completed | Learn |
| Solubility Rules | 7 mins | 0 completed | Learn Summary |
| Net Ionic Equations | 21 mins | 0 completed | Learn Summary |
| Electrolytes | 19 mins | 0 completed | Learn Summary |
| Redox Reaction | 32 mins | 0 completed | Learn Summary |
| Balancing Redox Reactions | 22 mins | 0 completed | Learn |
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| Additional Practice |
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| Dilution |
| Redox Reactions |
| Calculate Oxidation Number |
| Types of Chemical Reactions |
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| Net Ionic Equation |
| Oxidation Reduction (Redox) Reactions |
| Oxidation Number |
Solution: Cr3+ + 3Cu+ → 3Cu2+ + CrIn the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent.
Problem
Cr3+ + 3Cu+ → 3Cu2+ + Cr
In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent.
Practice Problems
Which of these ions is the best reducing agent?
...
Given the overall redox reaction: Fe2+(aq) + Ce4+...
Which of the following is the strongest reducing a...
Which of the following reactions may occur at the ...
Use the standard reduction potentials below to det...
Consider the following standard reduction potentia...
Which of the following is the weakest oxidizing ag...
Identify the oxidation and reduction steps in the ...
Which metal is the best reducing agent?
a. Mn
b....
Based on standard reduction potentials, would you ...
In the Brønsted-Lowry concept of acids and bases,
...
Indicate whether each of the following statements ...
Assuming standard conditions, arrange the followin...
Does a large positive electrode potential indicate...
Relative strengths of oxidizing and reducing ag...
Decide whether or not each of the following metals...
Decide whether or not each of the following metals...
Decide whether or not Au dissolves in 1 M HIO3.
Decide whether or not Cr dissolves in 1 M HIO3.
From each of the following pairs of substances, us...
From each of the following pairs of substances, us...
From each of the following pairs of substances, us...
From each of the following pairs of substances, us...
Activity Series of Metals in Aqueou...
Decide whether or not each of the following metals...
Decide whether or not each of the following metals...
Decide whether or not each of the following metals...
Mercuric oxide dry-cell batteries are often used w...
Given the following reduction half-reactions:
F...
Given the following reduction half-reactions:
F...
Given the following reduction half-reactions:
F...
Consider the following two half reactions.
Mg2+ ...
Heart pacemakers are often powered by lithium-silv...
Heart pacemakers are often powered by lithium-silv...
For a spontaneous reaction
A(aq) + B(aq) → A-...
On which side of an oxidation half-reaction do the...
A hydrogen-PEM fuel cell. The proton-exch...
Using a library or the Internet, research a fuel c...
Which of the following chemical species is the str...
Rank the following half reactions (1-5) in order o...
Which of the following metal cations is the best o...
Which of the following metals is the best reducing...
You have an aqueous solution of FeCl 3 and CdCl2 ...
Of the substances below, which is the weakest redu...
Separate this redox reaction into its component ha...
Write a balanced overall reaction from these unbal...
For the reaction:Ni2+(aq) + Mg(s) → Ni(s) + Mg 2+(...
Two metals are represented by the symbols L and Z....
Separate this redox reaction into its balanced com...
Separate this redox reaction into its component ha...
Which of the following substances is the strongest...
Identify the oxidation and reduction steps in the ...
Which of the following is the STRONGEST reducing a...
Given the overall redox reaction: Fe2+(aq) + Ce4+(...
2NO3-(aq) + 8H+(aq) + 3Cu(s) → 2NO(g) + 4H 2O(l) +...
Which metal cation is the best oxidizing agent?a. ...
Rank these species by their ability to act as an o...
Rank these species by their ability to act as an o...
Rank these species by their ability to act as an o...
From the skeleton equations below, create a list o...
Which of the following metal cations is the best o...
Use Appendix D to create an activity series of Mn,...
Gold exists in two common positive oxidation state...
Gold exists in two common positive oxidation state...
Gold exists in two common positive oxidation state...
Using a table of standard reduction potentials, se...
From each of the following pairs of substances, us...
You may want to reference (Pages 860 - 867)Section...
You may want to reference (Pages 860 - 867)Section...
The standard reduction potential for the reduction...
Which oxidizing agent will oxidize Br– but not Cl–...
A solution contains both NaI and NaBr. Which oxidi...
Using data from Table 17‑1, place the following in...
Answer the following questions using data from Tab...
Answer the following questions using data from Tab...
Consider only the species (at standard conditions)...
Consider only the species (at standard conditions)...
Consider only the species (at standard conditions)...
Consider only the species (at standard conditions)...
Use the table of standard reduction potentials (Ta...
Use the table of standard reduction potentials (Ta...
Use the emf series (Appendix D) to arrange each se...
Use the emf series (Appendix D) to arrange each se...
Which of the following metals is the best reducing...
When aluminum foil is placed in hydrochloric acid,...
How can Table 19.1 be used to predict whether or n...
Consider the following half-reactions:Pt2+ + 2e- →...
Use data from the table below to determine which m...
Gold exists in two common positive oxidation state...
Gold exists in two common positive oxidation state...
Consider the following metals: Ag, Au, Mg, Ni, and...
Why would a sacrificial anode made of lithium meta...
Arrange the following in order of decreasing stren...
Determine whether HI can dissolve 2.20 g Al.
The standard reduction potential for the reduction...
Determine whether HI can dissolve 4.85 g Cu.
Determine whether HI can dissolve 2.42 g Ag.
Determine whether HI can dissolve each metal sampl...
Determine if HNO3 can dissolve each of the followi...
Determine if HNO3 can dissolve each of the followi...
Determine if HNO3 can dissolve each of the followi...
Determine if HNO3 can dissolve each of the followi...
Determine if HNO3 can dissolve each of the followi...
Which of the following is the strongest reducing a...
Which of the following is the weakest reducing age...
Which metal can be used as a sacrificial electrode...
Which metal dissolves in HNO3 but not in HCl?(a) F...
Which of these metals does not act as a sacrificia...
Using data from Table 17‑1, place the following in...
Answer the following questions using data from Tab...
Answer the following questions using data from Tab...
Answer the following questions using data from Tab...
Answer the following questions using data from Tab...
Consider only the species (at standard conditions)...
Consider only the species (at standard conditions)...
Consider only the species (at standard conditions)...
Consider only the species (at standard conditions)...
Use the table of standard reduction potentials (Ta...
Use the table of standard reduction potentials (Ta...
Use the emf series (Appendix D) to arrange each se...
Use the emf series (Appendix D) to arrange each se...
When metal A is placed in a solution of a salt of ...
When metal A is placed in a solution of a salt of ...
When a clean iron nail is placed in an aqueous sol...
Which metal could you use to reduce Mn2+ ions but ...
Which metal(s) can be oxidized with a Sn2+ solutio...
Bubbles of H2 form when metal D is placed in hot H...
Decide whether or not each of the following metals...
Decide whether or not each of the following metals...
Decide whether or not each of the following metals...
A voltaic cell similar to that shown in Figure 20....
A voltaic cell similar to that shown in Figure 20....
A voltaic cell is constructed. One electrode compa...
A voltaic cell is constructed. One electrode compa...
A voltaic cell that uses the reactionTl3 + ( aq )...
A voltaic cell that uses the reactionPdCl42-(aq) +...
A voltaic cell that uses the reactionPdCl42-(aq) +...
Write the anode reaction that cause the corrosion ...
Write the balanced half-reaction corresponding to ...
Write the cathode reaction that cause the corrosio...
Write the balanced half-reaction corresponding to ...
Consider a battery with the overall reaction: Cu(s...
Two voltaic cells are to be joined so that one wil...
Indicate the half-reaction occurring at Anode and ...
On which side of a reduction half-reaction do the ...
The amount of manganese in steel is determined by ...
Consider the following balanced redox reaction:2Cr...
Consider the following balanced redox reaction:2Cr...
Consider the following balanced redox reaction:2Cr...
Consider the following balanced redox reaction:2Cr...
Consider the following balanced redox reaction:2Cr...
Label the anode and cathode, indicate the directio...
Label the anode and cathode, indicate the directio...
Label the anode and cathode, indicate the directio...
Label the anode and cathode, indicate the directio...
Label the anode and cathode, indicate the directio...
Label the anode and cathode, indicate the directio...
Using a library or the Internet, research a fuel c...
Label the anode and cathode, indicate the directio...
Label the anode and cathode, indicate the directio...
Predict the relative reducing power of the group 2...
Consider the following standard reduction potentia...
Of the substances below, which is the weakest redu...
Break down reaction into its half-reactions.4Fe + ...
Indicate the half-reaction occurring at Anode, and...It would not be wise to store a chromium(III) nitr...
Which of the following metal cations is the best o...
Which substance below is the strongest reducing ag...Based on the data presented below, which is the st...2I- + Cl2 → I2 + 2Cl-In the above redox reaction, ...Cr3+ + 3Cu+ → 3Cu2+ + CrIn the above redox reactio...Ag2O + Cu + H2O → 2Ag + Cu(OH)2In the above redox ...Study this chemical reaction: Pt + O2 → PtO2 Then,...Which of the following is the weakest oxidizing a...
Rank these species by their ability to act as an o...
Rank these species by their ability to act as an o...
Separate this redox reaction into its component ha...
Separate this redox reaction into its component ha...
Rank these species by their ability to act as an o...
Rank these species by their ability to act as an o...