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

Author Question: A sample of oxygen gas that contains twice Avogadro's number of molecules has a mass of ________. ... (Read 105 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
on: Aug 27, 2018
A sample of oxygen gas that contains twice Avogadro's number of molecules has a mass of ________.
 
  A) 8.0 g
  B) 16.0 g
  C) 32.0 g
  D) 64.0 g

Question 2

Increasing the pressure will ________. 2SO2 (g) + O2 (g) = 2SO3 (g)
 
  A) shift the reaction to the right
  B) shift the reaction to the left
  C) have no effect
  D) cannot be determined, since the temperature is unknown

Question 3

Ammonia can be prepared by the reaction of magnesium nitride with water. The products are ammonia and magnesium hydroxide. When the equation is written and balanced, the coefficient of water is
 
  A) 1.
  B) 2.
  C) 3.
  D) 6.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ky860224

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

A

Answer to Question 3

D


WhattoUnderstand

  • Member
  • Posts: 517
Reply 2 on: Aug 27, 2018
Excellent

epscape

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Sample preoperative checklist. Sample preoperative checklist.
The Structure of an Old High-Mass Star The Structure of an Old High-Mass Star
Sample Teaching Plan for Hypertension Sample Teaching Plan for Hypertension
Sample root cause analysis: Duplicate dose of a narcotic analgesic. Sample root cause analysis: Duplicate dose of a narcotic analgesic.
Lab: Mass Relationships in Chemical Reaction Lab: Mass Relationships in Chemical Reaction
A random sample of 87 airline pilots recruited by an airline service had an average yearly ... A random sample of 87 airline pilots recruited by an airline service had an average yearly ...
Video: Dissociative Disorders (Part 1)

For a complete list of videos, visit our video library