« previous next »

Author Question: A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement of ... (Read 160 times)

berenicecastro

  • Hero Member
  • *****
  • Posts: 581
on: Aug 27, 2018
A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement of ________.
 
  A) the law of multiple proportions
  B) the law of constant composition
  C) the law of conservation of mass
  D) the law of conservation of energy
  E) none of the above

Question 2

The U.S. government agency charged with keeping our food safe is the
 
  A) EPA.
  B) OSHA.
  C) FDA.
  D) NCAA.


Tonyam972

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

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?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

A Mass-Loss Star A Mass-Loss Star
When the exhaust is rich, the output of a zirconia oxygen sensor is above 450 mV. When the exhaust is rich, the output of a zirconia oxygen sensor is above 450 mV.
The DNA from one chromosome has a mass of ~20 billion Daltons The DNA from one chromosome has a mass of ~20 billion Daltons
Ripple marks (running water) Ripple marks (running water)
What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g? What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g?
Video: hGH (protein synthesis, growth and development)

For a complete list of videos, visit our video library