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

Author Question: The molecular weight of nitrous oxide (N2O), known as laughing gas, is ________ amu (rounded to one ... (Read 60 times)

frankwu

  • Hero Member
  • *****
  • Posts: 549
on: Aug 27, 2018
The molecular weight of nitrous oxide (N2O), known as laughing gas, is ________ amu (rounded to one decimal place).
 
  A) 60.0
  B) 30.0
  C) 44.0
  D) 3.0
  E) 22.0

Question 2

Which of the following assumptions of Dalton's Atomic Theory are no longer valid?
 
  A) Each element is composed of atoms.
  B) All atoms of a given element have the same mass and other properties that distinguish them from the atoms of other elements.
  C) Atoms combine in simple, whole-number ratios to form compounds.
  D) Atoms of one element cannot change into atoms of another element.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

efwsefaw

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

A


frankwu

  • Member
  • Posts: 549
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

parker125

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

The cladistic approach from molecular genetic data The cladistic approach from molecular genetic data
(a) Longevity decreases with increased horn-length breeding value of harvested rams. (b) Mean-weight (a) Longevity decreases with increased horn-length breeding value of harvested rams. (b) Mean-weight
Both men and women gain weight in young adulthood and middle adulthood, losing in the late 50s, but Both men and women gain weight in young adulthood and middle adulthood, losing in the late 50s, but
Overhead stretch for the shoulder muscles. Lean back to create the stretch using your body weight. Overhead stretch for the shoulder muscles. Lean back to create the stretch using your body weight.
Maintaining Weight Loss Maintaining Weight Loss
A solution is 2.25% by weight KHCO3. How many grams of KHCO3 are in 150.0 g of solution? A solution is 2.25% by weight KHCO3. How many grams of KHCO3 are in 150.0 g of solution?
Video: Covalent bonds - role in the body

For a complete list of videos, visit our video library