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

Author Question: The mole fraction of carbon dioxide in dry air near sea level is 0.000375, where the molar mass of ... (Read 101 times)

jessicacav

  • Hero Member
  • *****
  • Posts: 558
on: Aug 27, 2018
The mole fraction of carbon dioxide in dry air near sea level is 0.000375, where the molar mass of carbon dioxide is 44.010. The partial pressure of carbon dioxide when the total atmospheric pressure (dry air) is 97.5 kPa is ________ kPa.
 
  A) 2.63  10 5
  B) 5.97  103
  C) 0.0370
  D) 1.63
  E) 8.40  10-4

Question 2

Which of the following polyatomic ions is positively charged?
 
  A) ammonium
  B) carbonate
  C) dihydrogen phosphate
  D) acetate


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lou

  • Sr. Member
  • ****
  • Posts: 286
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

A


jessicacav

  • Hero Member
  • *****
  • Posts: 558
Reply #2 on: Aug 27, 2018
Thank you!


lou

  • Sr. Member
  • ****
  • Posts: 286
Reply #3 on: Aug 27, 2018
Always glad to help...


« previous next »
 

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Shy children often have a high arousal level in novel social situations. Over time, parents can help ... Shy children often have a high arousal level in novel social situations. Over time, parents can help ...
Upper-Level Maps Upper-Level Maps
The carbon cycle "دورة الكربون" The carbon cycle "دورة الكربون"
A Drug’s Plateau Level A Drug’s Plateau Level
Exchange of Oxygen and Carbon Dioxide Exchange of Oxygen and Carbon Dioxide
What is the mass of air in a room that measures 5.0 m 8.0 m 3.0 m? (The density of air is ... What is the mass of air in a room that measures 5.0 m 8.0 m 3.0 m? (The density of air is ...
Video: ribosome

For a complete list of videos, visit our video library