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Author Question: Which two of the following are considered vapors? 1. Carbon dioxide 2. Nitrogen 3. Oxygen 4. Water ... (Read 82 times)

berenicecastro

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on: Jul 16, 2018
Which two of the following are considered vapors? 1. Carbon dioxide 2. Nitrogen 3. Oxygen 4. Water
 
  a. 1 and 3 c. 2 and 3
  b. 1 and 4 d. 2 and 4

Question 2

The boiling point of liquid oxygen is which of the following?
 
  a. 119 C c. 183 C
  b. 182 F d. 49.7 C


Jadwiga9

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: B
A vapor is the gaseous form of any substance that can exist as a solid or a liquid at ordinary tem-perature and pressure. Water and dry ice (CO2) can exist as a liquid or a solid at room tempera-ture; N2 and O2 cannot.

Answer to Question 2

ANS: C
This is the boiling point of liquid oxygen.


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