Question and answer
Question not found
Ask a question
Not a good answer? Get an answer now. (Free)
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
An industrial process makes calcium oxide by decomposing calcium carbonate. Which of the following is NOT needed to calculate the mass of calcium oxide that can be produced from 4.7 kg of calcium carbonate? A. the balanced chemical equation B. molar masses of the reactants C. molar masses of the product D. the volume of the unknown mass
Question
Not Answered
Updated 9/28/2012 11:01:39 AM
1 Answer/Comment
Answer is D.the volume of the unknown mass
Here is explain of your problem. First you have to write the equation: \[Ca CO3\rightarrow CaO+CO2 \] Then compute the mols of Ca CO3 Then compute the mols of CaO AND AT LAST THE MASS OF CaO
Added 9/28/2012 11:01:39 AM
Because water molecules are polar and carbon dioxide molecules are nonpolar, A. water has a lower boiling point than carbon dioxide does. B. attractions between water molecules are weaker than attractions between carbon dioxide molecules. C. carbon dioxide cannot exist as a solid. D. water has a higher boiling point than carbon dioxide does.
Weegy: Carbon dioxide is a gas at room temperature, and water is a liquid at room temperature. [ Since 'boiling point' is the point at which a liquid becomes a gas, that would mean that the 'boiling point' of CO2 would have to be MUCH lower than water (or lower than room temperature for that matter). Read more: ] (More)
Question
Expert Answered
Asked 9/28/2012 10:08:55 AM
0 Answers/Comments
17,201,467 questions answered
Popular Conversations
Consider this quote: "In each of these historical instances . . . ...
Weegy: D. it stands for the omission of only a single word. User: Which of the following statements correctly ...
9/1/2014 8:30:28 AM| 2 Answers
The invasion of this region temporarily halted the fighting between ...
Weegy: The invasion of A.Korea halted the the fighting between the KMT and CPC. User: The letters DMZ stand for ...
9/1/2014 3:12:20 PM| 2 Answers
what is a complex sentence
Weegy: User: what is a simple sentence Weegy: User: what is a compound sentence Weegy: A compound sentence ...
9/1/2014 5:04:39 PM| 2 Answers
Every set of three points is coplanar.
9/1/2014 7:59:14 PM| 2 Answers
Weegy Stuff
S
L
1
L
P
C
1
Points 224 [Total 6757]| Ratings 0| Comments 224| Invitations 0|Offline
S
R
L
1
1
P
C
1
P
1
1
L
P
C
P
C
1
P
C
L
P
C
1
P
C
P
C
P
C
Points 176 [Total 24575]| Ratings 0| Comments 176| Invitations 0|Online
S
L
C
P
C
1
L
L
P
C
1
Points 159 [Total 16098]| Ratings 1| Comments 149| Invitations 0|Offline
S
L
1
1
1
1
L
1
Points 122 [Total 9902]| Ratings 0| Comments 122| Invitations 0|Offline
S
L
P
C
L
P
C
P
C
L
P
C
P
C
P
C
Points 94 [Total 17266]| Ratings 0| Comments 94| Invitations 0|Online
S
L
P
C
P
C
1
L
P
C
L
P
C
P
C
P
C
P
C
Points 73 [Total 18604]| Ratings 0| Comments 73| Invitations 0|Offline
S
1
L
1
L
P
P
L
Points 43 [Total 11289]| Ratings 0| Comments 43| Invitations 0|Offline
S
1
L
L
Points 29 [Total 5153]| Ratings 0| Comments 29| Invitations 0|Online
S
Points 29 [Total 699]| Ratings 0| Comments 29| Invitations 0|Offline
S
P
C
L
P
L
1
Points 24 [Total 6081]| Ratings 1| Comments 14| Invitations 0|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2014 Purple Inc.