This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: After many observations, Proust stated that elements combine in definite proportions to form ... (Read 63 times)

washai

  • Hero Member
  • *****
  • Posts: 523
on: Aug 27, 2018
After many observations, Proust stated that elements combine in definite proportions to form compounds. Dalton explained these observations by proposing that matter must consist of atoms. Dalton's explanation is called a(n)
 
  A) law.
  B) theory.
  C) hypothesis.
  D) observation.

Question 2

A sample of methane gas that contains Avogadro's number of atoms has a mass of ________.
 
  A) 3.2 g
  B) 6.4 g
  C) 16.0 g
  D) 80.0 g


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jadwiga9

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A


washai

  • Member
  • Posts: 523
Reply 2 on: Aug 27, 2018
Wow, this really help

nanny

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

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?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Seasonal changes in biomass and growth form of benthic algae in the Eel River, California: (a) in ea Seasonal changes in biomass and growth form of benthic algae in the Eel River, California: (a) in ea
Several species of squirrels have melanistic phases. In large parts of United States and Canada, the Several species of squirrels have melanistic phases. In large parts of United States and Canada, the
The patient's signature on the informed consent form indicates that the patient understands the The patient's signature on the informed consent form indicates that the patient understands the
Common sequence features in integrated retroviruses and other eukaryotic transposable elements Common sequence features in integrated retroviruses and other eukaryotic transposable elements
How to fully analyze the standard and factored form of a quadratic equation (Question 2) How to fully analyze the standard and factored form of a quadratic equation (Question 2)
Trace Elements of the Human Body Trace Elements of the Human Body
Video: Evolutionary tree of life Animation

For a complete list of videos, visit our video library