This topic contains a solution. Click here to go to the answer

Author Question: How many moles of CuO can be produced from 0.450 mol of Cu2O in the following reaction? 2 Cu2O(s) + ... (Read 237 times)

futuristic

  • Hero Member
  • *****
  • Posts: 638
How many moles of CuO can be produced from 0.450 mol of Cu2O in the following reaction? 2 Cu2O(s) + O2(g)  4 CuO(s)
 
  A) 0.225 mol
  B) 0.450 mol
  C) 0.900 mol
  D) 1.80 mol

Question 2

What is the pOH of an aqueous solution at 25.0 C in which H+ is 0.0050 M?
 
  A) 8.70
  B) 11.70
  C) -11.70
  D) -8.70
  E) none of the above

Question 3

Using the table of average bond energies below, the H for the reaction is ________ kJ.
 
  CO (g) + 2H2 (g)  H3C-O-H (g)
   Bond: C-O C=O CO C-H H-H O-H
   D (kJ/mol): 358 799 1072 413 436 463
 
  A) +276
  B) -276
  C) +735
  D) -735
  E) -116

Question 4

The density of N2O at 1.53 atm and 45.2 C is ________ g/L.
 
  A) 18.2
  B) 1.76
  C) 0.388
  D) 9.99
  E) 2.58



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kaylee05

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

C

Answer to Question 2

B

Answer to Question 3

E

Answer to Question 4

E





 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

For a complete list of videos, visit our video library