Author Question: The element that has a valence configuration of 2s2 is ________. A) Be B) Mg C) Ca D) Sr E) ... (Read 77 times)

abc

  • Hero Member
  • *****
  • Posts: 543
The element that has a valence configuration of 2s2 is ________.
 
  A) Be
  B) Mg
  C) Ca
  D) Sr
  E) Ba

Question 2

Calculate the pH of 0.726 M anilinium hydrochloride (C6H5NH3Cl) solution in water, given that Kb for aniline is 3.83  10-4.
 
  A) 1.78
  B) 12.22
  C) 5.36
  D) 8.64
  E) 12.42



kristenb95

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

For a complete list of videos, visit our video library