« previous next »

Author Question: The density of hydrogen gas at STP is ________ the density of oxygen under identical conditions. ... (Read 142 times)

go.lag

  • Hero Member
  • *****
  • Posts: 667
on: Aug 27, 2018
The density of hydrogen gas at STP is ________ the density of oxygen under identical conditions.
 
  A) four times larger than
  B) eight times larger than
  C) sixteen times smaller than
  D) equal to, since both densities are taken under the same conditions

Question 2

Which of the following molecules is not tetrahedral?
 
  A) carbon tetrachloride
  B) chloroform, CHCl3
  C) methane, CH4
  D) boron trifluoride


Pswine

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

go.lag

  • Hero Member
  • *****
  • Posts: 667
Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


Pswine

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Aug 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Plant adaptations for salty conditions. Plant adaptations for salty conditions.
The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing
How Oxygen-16 Becomes More Concentrated in Glacial Ice How Oxygen-16 Becomes More Concentrated in Glacial Ice
Conditions Necessary for Hurricane Formation Conditions Necessary for Hurricane Formation
Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ... Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ...
If 250. L of nitrogen reacts with 582 L of hydrogen by the reaction: N2(g) + 3 H2(g) 2 NH3(g), ... If 250. L of nitrogen reacts with 582 L of hydrogen by the reaction: N2(g) + 3 H2(g) 2 NH3(g), ...
Video: Studying the Left and Right Brain Independently

For a complete list of videos, visit our video library