There is a large [Cr2O7]-2

Showing results 1 through 10 of 21,438.
  1. What is the oxidation half reaction for the following equation: Cr2O7^-2 +Fe+2 - - > Cr^+3 + Fe^+3Cr^+3 - - > Cr2O7^-2 Fe^+2 - -
    1. answers icon 2 answers
    2. Samuel asked by Samuel
    3. views icon 1,857 views
  2. What is the oxidation half reaction for the following equation: Cr2O7^-2 +Fe+2 - - > Cr^+3 + Fe^+3Cr^+3 - - > Cr2O7^-2 Fe^+2 - -
    1. answers icon 3 answers
    2. Kayla asked by Kayla
    3. views icon 1,048 views
  3. Redox reactions(Cr2O7)2- + 2Al + 14H+ <—> 2Cr3+ + 2Al3++ 7H2O 1) how many ml of solution 1.50 M e (Cr2O7)2- are needed to act
    1. answers icon 1 answer
    2. Elena asked by Elena
    3. views icon 511 views
  4. (Cr2O7)2- + 2Al + 14H+ <—> 2Cr3+ + 2Al3++ 7H2O1) how many ml of solution 1.50 M e (Cr2O7)2- are needed to act without residue
    1. answers icon 3 answers
    2. Elena asked by Elena
    3. views icon 330 views
  5. If 42 mL of Cr2O7-2(aq) solution is titrated to the endpoint with 172 mL of 0.15 M Cl-, what was the concentation of Cr2O7-2
    1. answers icon 1 answer
    2. Adrianna asked by Adrianna
    3. views icon 513 views
  6. What is the reduction half-reaction for the following unbalanced redox equation?Cr2O7^2– + NH4^+ Cr2O3 + N2 A.Cr2O3-->
    1. answers icon 11 answers
    2. cassie asked by cassie
    3. views icon 2,113 views
  7. 2. What is the reduction half-reaction for the following unbalanced redox equation?Cr2O7^2– + NH4^+ Cr2O3 + N2 A.) Cr2O3 ->
    1. answers icon 1 answer
    2. cassie asked by cassie
    3. views icon 1,201 views
  8. Al+(Cr2O7)2- = Al3+ + Cr3+[al3+]=0.01M [(cr2o7)2-]= 0.1M [cr3+]=0.001M find the E cell if we add Naoh to each electrode until
    1. answers icon 0 answers
    2. Lorela asked by Lorela
    3. views icon 1,637 views
  9. Which atom has a change in oxidation number of –3 in the following redox reaction? K2Cr2O7 + H2O + S - - > KOH + Cr2O3 + SO2Cr
    1. answers icon 1 answer
    2. Lara asked by Lara
    3. views icon 580 views
  10. the reaction:Cr2O7^-2(aq) + Cl- -> Cr^3+(aq) + Cl2(g) My balancing. Cr2O7^-2(aq)-> Cr^3+(aq) +Cr +7H2O +14H+ +6e-
    1. answers icon 1 answer
    2. alexa asked by alexa
    3. views icon 1,936 views