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

Author Question: A sample of oxygen gas that contains Avogadro's number of atoms has a mass of ________. A) 8.0 g ... (Read 93 times)

BrownTown3

  • Hero Member
  • *****
  • Posts: 564
on: Aug 27, 2018
A sample of oxygen gas that contains Avogadro's number of atoms has a mass of ________.
 
  A) 8.0 g
  B) 16.0 g
  C) 32.0 g
  D) 64.0 g

Question 2

Consider the reaction with Kc = 0.211. Which of the following pairs of concentrations indicate that the system is not at equilibrium?
 
  N2O4 (g) = 2NO2 (g)
  A) N2O4 = 0.00140 M; NO2 = 0.0172 M
  B) N2O4 = 0.00280 M; NO2 = 0.0243 M
  C) N2O4 = 0.00452 M; NO2 = 0.0309 M
  D) N2O4 = 0.00840 M; NO2 = 0.0572 M


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

parker125

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

D


BrownTown3

  • Member
  • Posts: 564
Reply 2 on: Aug 27, 2018
Gracias!

Liddy

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Excellent

« previous next »
 

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?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Types of variation in chromosome number. Types of variation in chromosome number.
The WISC-IV: Sample Items The WISC-IV: Sample Items
How to use the discriminant to determine the number of roots for any quadratic equation How to use the discriminant to determine the number of roots for any quadratic equation
Calculate the number of grams of solute in 500.0 mL of 0.169 M KOH. Calculate the number of grams of solute in 500.0 mL of 0.169 M KOH.
Mass spectrometry (MS) patterns for a trypsin-digested peptide sequence Mass spectrometry (MS) patterns for a trypsin-digested peptide sequence
Partial pressures (in mm Hg) for oxygen (red boxes) and carbon dioxide (blue boxes) in the atmospher Partial pressures (in mm Hg) for oxygen (red boxes) and carbon dioxide (blue boxes) in the atmospher
Video: Digestive chemicals - water, gastric acid, bile & bicarbonate

For a complete list of videos, visit our video library