Author Question: Avogadro's number is 602,213,700,000,000,000,000,000. What does this number represent? A) The ... (Read 66 times)

arivle123

  • Hero Member
  • *****
  • Posts: 569
Avogadro's number is 602,213,700,000,000,000,000,000. What does this number represent?
 
  A) The total number of atoms in 10 grams of a substance
  B) The total number of moles in 10 grams of a substance
  C) The total number of atoms in 12 grams of carbon-12
  D) The total number of moles in 12 grams of carbon-12

Question 2

Which of the following is true regarding constant systematic errors?
 
  A) The slope and the x-intercept of the regression line are affected.
  B) The slope of the regression line differs from the true value.
  C) The x-intercept of the regression line becomes equal to the y-intercept.
  D) The y-intercept of the regression line differs from the true value.



bob

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

C

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
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.

For a complete list of videos, visit our video library