Homework Answers
Add Answer to:
Question 1 (4 points) Given the following balanced equation Cr, 0,2- + 3 H2O +8 H+...
Consider the following reaction at 298K. 3 Ni2+ (aq) + 2 Cr (6) —3 Ni(+2 Cr+...
Consider the following reaction at 298K. 3 Ni2+ (aq) + 2 Cr (6) —3 Ni(+2 Cr+ (aq) Which of the following statements are correct? Choose all that apply On4 mol electrons The reaction is reactant-favored. OK>1 Consider the following reaction at 298K. Cr3+ (aq) +3 Fe2+ (aq) —Cr (9) + 3 Fe3+ (aq) Which of the following statements are correct? Choose all that apply OK<1 delta Gº<0 On-4 mol electrons E The reaction is product-favored. E cell cell 0 delta...
1)When the following equation is balanced properly under acidic conditions, what are the coefficients of the...
1)When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown? H2SO3 + NO3-____SO42- + NO2 Water appears in the balanced equation as a (reactant, product, neither) with a coefficient of . (Enter 0 for neither.) How many electrons are transferred in this reaction? 2) When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown? Cr3+ + NO----Cr + HNO3 Water appears in the balanced equation...
When the following equation is balanced properly under acidic conditions, what are the coefficients of the...
When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown? Cr+ CIO, Cr3+ + Cl2 Water appears in the balanced equation as a (reactant, product, neither) with a coefficient of (Enter 0 for neither.) How many electrons are transferred in this reaction? Submit Answer Retry Entire Group 8 more group attempts remaining
When the following equation is balanced properly under acidic conditions, what are the coefficients of the...
When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown? Cr + Mn2+ ---> Cr3+ + Mn Water appears in the balanced equation as a (reactant, product, neither) with a coefficient of . (Enter 0 for neither.) How many electrons are transferred in this reaction? (all part of one question)
Question 22 (4 points) Cr2O72- + 3 H2O2 + 8 H+ + 2 Cr3+ + 3...
Question 22 (4 points) Cr2O72- + 3 H2O2 + 8 H+ + 2 Cr3+ + 3 O2 + 7 H2O In the above reaction Ocrin Cr₂O7 2- is reduced. OH in H+ is oxidized. Cr₂O7 2 is the oxidizing agent and H2O2 is the reducing agent. Cr₂O7 2- is the reducing agent and H2O2 is the oxidizing agent.
1) When the following equation is balanced properly under acidic conditions, what are the coefficients of...
1) When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown? ____ H2SO3+ _____ Cr3+ ------------>______ SO42-+ ______ Cr2+ Water appears in the balanced equation as a ________ (reactant, product, neither) with a coefficient of ______. (Enter 0 for neither.) How many electrons are transferred in this reaction? __________ 2) When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown? _____Pb2+ + ______ClO2 ---------------->...
1. When the following chemical equation is correctly balanced, the number of electrons transferred: Ni2+ (aq)...
1. When the following chemical equation is correctly balanced, the number of electrons transferred: Ni2+ (aq) + Cr (s) → Ni (s) + Cr3+ (aq)
Question 3 1 pts Given the balanced chemical equation, 2 H2O(l) - 2H2 (8) + O2(8)...
Question 3 1 pts Given the balanced chemical equation, 2 H2O(l) - 2H2 (8) + O2(8) AHpx - +572 kJ Determine the heat associated with the reaction (Grxn, in kJ) when 4.85 grams of H2(g) is produced. O-475 kJ +688 kJ +1.20 kJ O-688 kJ +475 kJ
solve all to get thumps up. no work is needed. Question 6 1 pts What is...
solve all to get thumps up. no work is needed.
Question 6 1 pts What is the oxidation number of chromium in K2Cr2O7? +6 O +3 +12 O +7 +14 Question 7 1 pts What is the oxidation number of sulfur in the S2O32- ion? Ο +2 Ο Ο +1 ΟΟ Ο O -1 Ο Question 8 1 pts What is the coefficient of the dichromate ion when the following equation is balanced? Fe2+ + Cr20,2- → Fe3+ + Cr3+...
In the following balanced reaction equation, identify which element is being reduced, which element is being...
In the following balanced reaction equation, identify which element is being reduced, which element is being oxidised and how many electrons are being transferred in the reaction. 3CH3CH2OH + 2Cr2O7 2− + 16H+ ⇌ 3CH3COOH + 4Cr3+ + 11 H2O (A) Cr reduced, C oxidised, 4 e− transferred (B) C reduced, H oxidised, 3 e− transferred (C) Cr reduced, H oxidised, 4 e− transferred (D) Cr reduced, C oxidised, 12 e− transferred (E) C reduced, Cr oxidised, 16 e− transferred
Consider the following reaction at 298K. 3 Ni2+ (aq) + 2 Cr (6) —3 Ni(+2 Cr+ (aq) Which of the following statements are correct? Choose all that apply On4 mol electrons The reaction is reactant-favored. OK>1 Consider the following reaction at 298K. Cr3+ (aq) +3 Fe2+ (aq) —Cr (9) + 3 Fe3+ (aq) Which of the following statements are correct? Choose all that apply OK<1 delta Gº<0 On-4 mol electrons E The reaction is product-favored. E cell cell 0 delta...
When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown? Cr+ CIO, Cr3+ + Cl2 Water appears in the balanced equation as a (reactant, product, neither) with a coefficient of (Enter 0 for neither.) How many electrons are transferred in this reaction? Submit Answer Retry Entire Group 8 more group attempts remaining
Question 22 (4 points) Cr2O72- + 3 H2O2 + 8 H+ + 2 Cr3+ + 3 O2 + 7 H2O In the above reaction Ocrin Cr₂O7 2- is reduced. OH in H+ is oxidized. Cr₂O7 2 is the oxidizing agent and H2O2 is the reducing agent. Cr₂O7 2- is the reducing agent and H2O2 is the oxidizing agent.
Question 3 1 pts Given the balanced chemical equation, 2 H2O(l) - 2H2 (8) + O2(8) AHpx - +572 kJ Determine the heat associated with the reaction (Grxn, in kJ) when 4.85 grams of H2(g) is produced. O-475 kJ +688 kJ +1.20 kJ O-688 kJ +475 kJ
solve all to get thumps up. no work is needed.
Question 6 1 pts What is the oxidation number of chromium in K2Cr2O7? +6 O +3 +12 O +7 +14 Question 7 1 pts What is the oxidation number of sulfur in the S2O32- ion? Ο +2 Ο Ο +1 ΟΟ Ο O -1 Ο Question 8 1 pts What is the coefficient of the dichromate ion when the following equation is balanced? Fe2+ + Cr20,2- → Fe3+ + Cr3+...
Most questions answered within 3 hours.
-
Minitab Problem: Take the Lake Hume June rainfall data and find
use the processes outlined in...
asked 11 minutes ago -
X Company is trying to decide whether to continue using old
equipment to make Product A...
asked 12 minutes ago -
IN PYTHON ONLY !! Program 2: Re-work
program #5 (WeeklyHours) from the previous assignment such that...
asked 49 minutes ago -
The average length of time between arrivals at a turnpike
toll-booth is 26 seconds. What is...
asked 2 hours ago -
(a) A piston at 6.1 atm contains a gas that occupies a volume of
3.5 L....
asked 3 hours ago -
Please answer true or false. Words
cannot be changed or added in to make it true...
asked 3 hours ago -
An empty test tube weighs 15.923 grams. Then,
MgCl2•6H2O is added into the test tube. After...
asked 3 hours ago -
Assume memory access is 10 units of time and disk access is
10000 units of time....
asked 3 hours ago -
1. Are all good samples random?
2. Magazines often report surveys giving statistics such as “63%...
asked 4 hours ago -
Under all the various types of market structures, firms
must eventually earn some economic profits for...
asked 4 hours ago -
Consider the following fitness regime for a single locus trait
with two co-dominant alleles: w11 =...
asked 4 hours ago -
A large cable company reports the following.
80% of its customers subscribe to its cable TV...
asked 4 hours ago