Author Question: Petroleum is a liquid composed of hundreds of compounds. Indicate whether the statement is true ... (Read 170 times)

Jkov05

  • Hero Member
  • *****
  • Posts: 556
Petroleum is a liquid composed of hundreds of compounds.
 
  Indicate whether the statement is true or false

Question 2

The Kb of ammonia is 1.76  10-5. The pH of a buffer prepared by combining 50.0 mL of 1.00 M ammonia and 45.0 mL of 1.00 M ammonium nitrate is ________.
 
  A) 4.632
  B) 9.291
  C) 4.742
  D) 9.372
  E) none of the above



bhavsar

  • Sr. Member
  • ****
  • Posts: 351
Answer to Question 1

TRUE

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

For a complete list of videos, visit our video library