« previous next »

Author Question: Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s) + ... (Read 706 times)

jessicacav

  • Hero Member
  • *****
  • Posts: 558
on: Aug 27, 2018
Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s) + H2O(l)  Ca(OH)2(s) In a particular experiment, a 5.00-g sample of CaO is reacted with excess water and 6.11 g of Ca(OH)2 is recovered.
 
  What is the percent yield in this experiment? A) 122
  B) 1.22
  C) 7.19
  D) 92.5
  E) 81.9

Question 2

Which pair of compounds is used in the manufacture of fertilizers?
 
  A) HCl and NaOH
  B) HCl and H3PO4
  C) HNO3 and HCl
  D) H2SO4 and H3PO4
  E) HNO3 and NaOH
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
Buy Test-Bank


Joc

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

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?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Normal depolarization of the motor end plate: (a) Depolarization: Ach causes calcium to be released ... Normal depolarization of the motor end plate: (a) Depolarization: Ach causes calcium to be released ...
A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ... A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ...
A cutaway of a typical water pump showing the long bearing assembly and the seal. The weep hole is ... A cutaway of a typical water pump showing the long bearing assembly and the seal. The weep hole is ...
Liquid Water Properties compared with n-pentane, nonpolar, non-hydrogen bonding liquid Liquid Water Properties compared with n-pentane, nonpolar, non-hydrogen bonding liquid
Which outcome corresponds to the combination of silver and carbonate ions shown in the ... Which outcome corresponds to the combination of silver and carbonate ions shown in the ...
reaction and option reaction and option
Video: TRH/TSH/Thyroid hormone

For a complete list of videos, visit our video library