Author Question: A gas occupies a volume of 0.500 L at 125 C and 0.443 atm. What mathematical expression will yield ... (Read 63 times)

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
A gas occupies a volume of 0.500 L at 125 C and 0.443 atm. What mathematical expression will yield the correct temperature at 0.750 L and 0.689 atm?
 
  A) (0.689  0.750  125)/(0.443  0.500)
  B) (0.443  0.500  398)/(0.689  0.750)
  C) (0.443  0.500)/(0.689  0.750  398)
  D) (0.689  0.750  398)/(0.443  0.500)

Question 2

In a molecule having four pairs of electrons around the central atom and a pyramidal shape, how many bonding pairs of electrons does the central atom have?
 
  A) 2
  B) 1
  C) 4
  D) 3



bimper21

  • Sr. Member
  • ****
  • Posts: 309
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

For a complete list of videos, visit our video library