Author Question: Avogadro's number is 602,213,700,000,000,000,000,000. What does this number represent? A) The ... (Read 65 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?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The human body produces and destroys 15 million blood cells every second.

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