Question and answer
How much heat energy is required to raise the temperature of 5 kilograms of coal from 20°C to 220°C? A. 314 J B. 6,573 J C. 1,314,718 J D. 4,187,000 J
1,314,718 J is required to raise the temperature of 5 kilograms of coal from 20°C to 220°C.
Expert answered|jeifunk|Points 9661|
Question
Asked 5/10/2013 10:56:07 AM
0 Answers/Comments
Get an answer
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 object 5 millimeters high is located 15 millimeters in front of a plane mirror. How far from the mirror is the image located? A. 5.0 millimeters B. 7.5 millimeters C. 15 millimeters D. 30 millimeters
Weegy: A. 15 millimeters User: Which one of the following types of electromagnetic radiation causes certain substances to fluoresce? A. Ultraviolet rays B. Infrared waves C. X rays D. Cosmic rays Weegy: B. Ultraviolet rays are flueoresce User: If you're driving towards the sun late in the afternoon, you can reduce the glare from the road by wearing sunglasses that permit only the passage of light that's A. polarized in ... (More)
Question
Expert Answered
Asked 5/8/2013 11:45:41 AM
0 Answers/Comments
If a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on the surface is A. 8 lux. B. 24 lux. C. 216 lux. D. 648 lux
Weegy: f a 72-candela light source is located at a distance of 3 meters from a surface, the illuminance on the surface is 216 lux. (More)
Question
Expert Answered
Asked 5/8/2013 11:51:54 AM
0 Answers/Comments
an object has a mass of 180 kg on the moon. what is the force of gravity acting on the object on the moo? A. 1764 N B. 294 N C. 10584 N D. 684 N
Weegy: To determine the force of gravity acting on an object, take the mass of the object times the moon's gravity: 180kg x 1.63 m/s^2 = 293.4 This can be rounded to B. 294 N (More)
Question
Expert Answered
Asked 5/9/2013 1:25:31 PM
0 Answers/Comments
17,092,871 questions answered
Popular Conversations
How many solutions does the equation |3x + 7| = –4 ...
Weegy: |2x + 1| > 5 2x + 1 > 5 or 2x + 1 4 or 2x 2 or x User: Which value of x is in the solution set of 2|x – 3| < ...
8/20/2014 4:10:36 PM| 3 Answers
Express as ordinary numbers. 8.97 x 10-3 0.0897 0.00897 8,970
Weegy: 68.047
8/20/2014 6:40:43 AM| 2 Answers
Evaluate -4|-4|.
8/20/2014 11:05:19 AM| 2 Answers
What is cartography?
Weegy: Cartography is the study and practice of making maps. User: What is hegemony?
8/20/2014 11:48:44 AM| 2 Answers
One of the major techniques of parody is incongruity, or ...
Weegy: One of the major techniques of parody is incongruity, or __b. pairings that don't belong together ... According ...
8/20/2014 1:45:45 PM| 2 Answers
Weegy Stuff
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
Points 1758 [Total 23358]| Ratings 2| Comments 1738| Invitations 0|Offline
S
L
1
L
Points 1338 [Total 5314]| Ratings 5| Comments 1288| Invitations 0|Offline
S
L
1
1
1
1
L
1
Points 1204 [Total 8911]| Ratings 2| Comments 1184| Invitations 0|Offline
S
L
C
P
C
1
L
L
Points 1194 [Total 14808]| Ratings 7| Comments 1124| Invitations 0|Offline
S
L
P
C
L
P
C
P
C
L
P
C
P
C
P
C
Points 1061 [Total 16088]| Ratings 2| Comments 1041| Invitations 0|Offline
S
L
P
C
P
C
1
L
P
C
L
P
C
P
C
P
C
P
C
Points 840 [Total 18411]| Ratings 0| Comments 840| Invitations 0|Offline
S
1
L
Points 426 [Total 4990]| Ratings 0| Comments 426| Invitations 0|Online
S
1
L
1
L
P
P
L
Points 375 [Total 11036]| Ratings 1| Comments 365| Invitations 0|Offline
S
Points 246 [Total 246]| Ratings 1| Comments 226| Invitations 1|Offline
S
Points 217 [Total 228]| Ratings 3| Comments 157| Invitations 3|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2014 Purple Inc.