A strip of magnesium is ignited with a lab burner and the flame is then extinguished...
A strip of magnesium is ignited with a lab burner and the flame is then extinguished in a beaker of deionized water. Based on this information, provide answers for the following.
Molecular Equation:
1. Which element is oxidized? Ans. _____
2. How did its oxidation number change? Ans. It changed from _____ to _____
3. Which element is reduced? Ans. _____
4. How did its oxidation number change? Ans. It changed from _____ to _____.
5. Redox reactions involve a transfer of electrons. Show this flow of electrons by drawing an arrow from the element the electrons originated to the element to which they are being transferred.
6. What is the total number of electrons transferred in the balanced equation?
Ans. _____ moles of electrons are being transferred.
7. Which is the oxidizing agent? Ans. _____
Homework Answers
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A strip of magnesium is ignited with a lab burner and the flame
is then extinguished...
Name: Lab Section: 1 2 3 4 5 6 7 8 Report: Redox Reactions 1. Consider...
Name: Lab Section: 1 2 3 4 5 6 7 8 Report: Redox Reactions 1. Consider the following balanced redox reaction: 2 Li (8) + CuCl(aq) + Cu (8) + 2 LCI (a) a. Write the oxidation number for each element in the spaces below each species. b. Which element is... Oxidized Reduced C. Which reagent is the... Oxidizing agent? Reducing agenti d. Each Li atom (gains / loses) electron(s) and each Custom (gains / loses) e. In the overall...
for the reaction, list those elements which have changed oxidation number during the reaction, showing the...
for
the reaction, list those elements which have changed oxidation
number during the reaction, showing the oxidation number before and
after the reaction. Which element is oxidized? Which is reduced?
Which is the oxidizing agent? Which is the reducing agent? How many
electrons are transferred per manganese atom? How many totally in
the reaction as shown?
Balance the following equation: KMnO4 + Nal + H2SO4 → 12 + MnSO4 + Na2SO4 + K2SO4 + H2O
Choose all of the statements from below which are true about oxidation and reduction. Oxidation and reduction are oppos...
Choose all of the statements from below which are true about oxidation and reduction. Oxidation and reduction are opposite processes with respect to bookkeeping electrons. Oxidation is what happens when an element in a substance gains electrons. Electrons appear on the right side of an oxidation half reaction. An oxidant is an oxidizing agent, which becomes oxidized during the course of a redox reaction. Reduction is what happens when an element in a substance decreases its oxidation number. Electrons appear...
for the reaction in question 5, list those elements which have changed oxidation number during the...
for the reaction in question 5, list those elements which have
changed oxidation number during the reaction, showing the oxidation
number before and after the reaction. Which element is oxidized?
Which is reduced? Which is the oxidizing agent? Which is the
reducing agent? How many electrons are transferred per sulfur atom?
How many totally in the reaction as shown?
5. Balance the following equation: Cl2 + K2S2O3 + KOH KCI + K2SO4 + H20
please read carefully no one has gotten it right yet Choose all of the statements from...
please read carefully no one has gotten it right yet
Choose all of the statements from below which are true about oxidation and reduction. Oxidation and reduction are opposite processes with respect to bookkeeping electrons. Oxidation is what happens when an element in a substance increases its oxidation number. Electrons appear on the left side of an oxidation half reaction. An oxidant is an oxidizing agent, which becomes oxidized during the course of a redox reaction. Reduction is what happens...
Choose all of the statements from below which are true about oxidation and reduction Oxidation and...
Choose all of the statements from below which are true about oxidation and reduction Oxidation and reduction are opposite processes with respect to bookkeeping electrons. Oxidation is what happens when an element in a substance increases its oxidation number. Electrons appear on the right side of an oxidation half reaction. An oxidant is an oxidizing agent, which becomes reduced during the course of a redox reaction Reduction is what happens when an element in a substance decreases its oxidation number....
chem ll For the reaction KCIO, — KCI + O2 assign oxidation numbers to each element...
chem ll
For the reaction KCIO, — KCI + O2 assign oxidation numbers to each element on each side of the equation. K in KCIO: K in KCI: Question 1 of 18 > Cl in KCIO,: Clin KCI: O in KCIO, O in 0,: Which element is oxidized? Which element is reduced? OCI OK Oo ОСІ O in KCIO, in 0,: Which element is reduced? Which element is oxidized? ОСІ Ок Оо ОСІ Ок ОО In a hydrogen fuel cell,...
Balance the following equation: 5. pur Tsa-1 य KCI KSO, + HO Cl + KS,O, +...
Balance the following equation: 5. pur Tsa-1 य KCI KSO, + HO Cl + KS,O, + KOH For the reaction in question 5, list those elements which have changed oxidation number during the reaction, showing the oxidation number before and after the reaction. Which element is oxidized? Which is reduced? Which is the oxidizing agent? Which is the reducing agent? How many electrons are transferred per sulfur atom? How many totally in the reaction as shown? 6. 82V Balance the...
Cu(s) + 4HNO3 --> Cu(NO3)2(aq) + 2NO2(g) + 2H2O(l) Cu2+(aq) + 4NH3(aq) --> [Cu(NH3)4]2+(aq) a. For...
Cu(s) + 4HNO3 --> Cu(NO3)2(aq) + 2NO2(g) + 2H2O(l) Cu2+(aq) + 4NH3(aq) --> [Cu(NH3)4]2+(aq) a. For each reaction, identify the oxidation number for each of the elements on both sides of the equation. b. Which of the reactions above is a redox reaction? Explain. c. Identify the element that is being reduced and the one that is being oxidized in the redox reaction. d. Identify the strong oxidizing agent and strong reducing agent in the redox reaction.
homlosid Give the oxidation number of chlorine in each of the following substances: CIF 1. CIO,...
homlosid Give the oxidation number of chlorine in each of the following substances: CIF 1. CIO, NaCIO MgCl; ОСЬ CЬ NaCl Give the oxidation number of manganese in each of the following substances: KMnO 2. 1- MnO MnO2 MnO Mn MnO3 MnSO Balance the following equation: 3. KMnO4+ Nal + H2SO4 12+ MnSO4+ Na;SO4+ K2SO4 + HO For the reaction in question 3, list those elements which have changed oxidation number during the 4. reaction, showing the oxidation number before...
Name: Lab Section: 1 2 3 4 5 6 7 8 Report: Redox Reactions 1. Consider the following balanced redox reaction: 2 Li (8) + CuCl(aq) + Cu (8) + 2 LCI (a) a. Write the oxidation number for each element in the spaces below each species. b. Which element is... Oxidized Reduced C. Which reagent is the... Oxidizing agent? Reducing agenti d. Each Li atom (gains / loses) electron(s) and each Custom (gains / loses) e. In the overall...
for
the reaction, list those elements which have changed oxidation
number during the reaction, showing the oxidation number before and
after the reaction. Which element is oxidized? Which is reduced?
Which is the oxidizing agent? Which is the reducing agent? How many
electrons are transferred per manganese atom? How many totally in
the reaction as shown?
Balance the following equation: KMnO4 + Nal + H2SO4 → 12 + MnSO4 + Na2SO4 + K2SO4 + H2O
for the reaction in question 5, list those elements which have
changed oxidation number during the reaction, showing the oxidation
number before and after the reaction. Which element is oxidized?
Which is reduced? Which is the oxidizing agent? Which is the
reducing agent? How many electrons are transferred per sulfur atom?
How many totally in the reaction as shown?
5. Balance the following equation: Cl2 + K2S2O3 + KOH KCI + K2SO4 + H20
please read carefully no one has gotten it right yet
Choose all of the statements from below which are true about oxidation and reduction. Oxidation and reduction are opposite processes with respect to bookkeeping electrons. Oxidation is what happens when an element in a substance increases its oxidation number. Electrons appear on the left side of an oxidation half reaction. An oxidant is an oxidizing agent, which becomes oxidized during the course of a redox reaction. Reduction is what happens...
Choose all of the statements from below which are true about oxidation and reduction Oxidation and reduction are opposite processes with respect to bookkeeping electrons. Oxidation is what happens when an element in a substance increases its oxidation number. Electrons appear on the right side of an oxidation half reaction. An oxidant is an oxidizing agent, which becomes reduced during the course of a redox reaction Reduction is what happens when an element in a substance decreases its oxidation number....
chem ll
For the reaction KCIO, — KCI + O2 assign oxidation numbers to each element on each side of the equation. K in KCIO: K in KCI: Question 1 of 18 > Cl in KCIO,: Clin KCI: O in KCIO, O in 0,: Which element is oxidized? Which element is reduced? OCI OK Oo ОСІ O in KCIO, in 0,: Which element is reduced? Which element is oxidized? ОСІ Ок Оо ОСІ Ок ОО In a hydrogen fuel cell,...
Balance the following equation: 5. pur Tsa-1 य KCI KSO, + HO Cl + KS,O, + KOH For the reaction in question 5, list those elements which have changed oxidation number during the reaction, showing the oxidation number before and after the reaction. Which element is oxidized? Which is reduced? Which is the oxidizing agent? Which is the reducing agent? How many electrons are transferred per sulfur atom? How many totally in the reaction as shown? 6. 82V Balance the...
homlosid Give the oxidation number of chlorine in each of the following substances: CIF 1. CIO, NaCIO MgCl; ОСЬ CЬ NaCl Give the oxidation number of manganese in each of the following substances: KMnO 2. 1- MnO MnO2 MnO Mn MnO3 MnSO Balance the following equation: 3. KMnO4+ Nal + H2SO4 12+ MnSO4+ Na;SO4+ K2SO4 + HO For the reaction in question 3, list those elements which have changed oxidation number during the 4. reaction, showing the oxidation number before...
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