This topic contains a solution. Click here to go to the answer

Author Question: Which element is reduced in the reaction below? Fe2+ + H+ + Cr2O72- Fe3+ + Cr3+ + H2O A) Cr B) ... (Read 97 times)

P68T

  • Hero Member
  • *****
  • Posts: 509
Which element is reduced in the reaction below? Fe2+ + H+ + Cr2O72-  Fe3+ + Cr3+ + H2O
 
  A) Cr
  B) Fe
  C) H
  D) O

Question 2

The ion PO43- has ________ valence electrons.
 
  A) 14
  B) 24
  C) 27
  D) 29
  E) 32



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

JYan

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

A

Answer to Question 2

E




P68T

  • Member
  • Posts: 509
Reply 2 on: Aug 27, 2018
:D TYSM


skipfourms123

  • Member
  • Posts: 343
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

For a complete list of videos, visit our video library