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Author Question: The molecular weight of nitrous oxide (N2O), known as laughing gas, is ________ amu (rounded to one ... (Read 57 times)

frankwu

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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Which of the following assumptions of Dalton's Atomic Theory are no longer valid?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.


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efwsefaw

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Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

A


frankwu

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Reply 2 on: Aug 27, 2018
Gracias!

nothere

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Reply 3 on: Yesterday
Wow, this really help

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