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

Author Question: How many grams of H3PO4 are in 175 mL of a 4.00 M solution of H3PO4? A) 0.700 B) 20.0 C) 68.6 ... (Read 36 times)

savannahhooper

  • Hero Member
  • *****
  • Posts: 576
How many grams of H3PO4 are in 175 mL of a 4.00 M solution of H3PO4?
 
  A) 0.700
  B) 20.0
  C) 68.6
  D) 4.90
  E) 612

Question 2

All of the subshells in a given shell have the same energy in the hydrogen atom. In a many-electron atom, the subshells in a given shell do not have the same energy. Why?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ErinKing

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

C

Answer to Question 2

Hydrogen atoms have only one electron. Therefore, in a hydrogen atom, the energy of orbitals depends only on n. In many-electron atoms, electron-electron repulsion causes the energies of subshells in a given shell to differ.




savannahhooper

  • Member
  • Posts: 576
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)


pangili4

  • Member
  • Posts: 346
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

For a complete list of videos, visit our video library