Author Question: What is the coefficient of the permanganate ion when the following equation is balanced? MnO4- + Br- ... (Read 114 times)

cool

  • Hero Member
  • *****
  • Posts: 570
What is the coefficient of the permanganate ion when the following equation is balanced? MnO4- + Br-  Mn2+ + Br2 (acidic solution)
 
  A) 1
  B) 2
  C) 3
  D) 5
  E) 4

Question 2

What is the oxidation state of carbon in the carbonate ion?
 
  A) +4
  B) +2
  C) 0
  D) -2
  E) -4

Question 3

One significant difference between gases and liquids is that ________.
 
  A) a gas is made up of molecules
  B) a gas expands to fill its container
  C) a gas may consist of both elements and compounds
  D) gases are always mixtures
  E) All of the above answers are correct.


prumorgan

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

B

Answer to Question 2

A

Answer to Question 3

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

For a complete list of videos, visit our video library