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 a vertical plane. B. polarized in a horizontal plane. C. dispersed in a vertical plane. D. dispersed in a spherical plane. Weegy: 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 C. polarized in a vertical plane. [ ] User: 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: 72*3=216 User: Which of the following values represents an index of refraction of an actual material? A. 0 B. 1 / 4 C. 1 / 2 D. 5 / 4 Weegy: The answer is D. 5 / 4. (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
19,713,247 questions answered
Popular Conversations
Given: y varies directly with x and has a constant rate of change of ...
Weegy: If y is 5 when x is 2.5 and y varies directly with x, y is 20 when x is 10. 5/2.5 = y/10 2.5y = 50 y = 50/2.5 ...
2/28/2015 11:24:34 AM| 5 Answers
Which of the following energy sources is attributed to Edwin Drake ...
Weegy: The following energy sources is attributed to Edwin Drake and had significant impact on industrialization during ...
2/28/2015 3:21:51 AM| 2 Answers
The oldest type of city government in America is the _______ form. ...
Weegy: The oldest type of city government in America is the D. mayor-council form. User: Which of the presidents ...
2/28/2015 11:31:00 AM| 2 Answers
What is the equation of the line, in slope-intercept form, that ...
Weegy: The equation of the line, in slope-intercept form, that passes through (3, -1) and (-1, 5) is y = -3/2x + 7/2 ...
2/28/2015 11:42:07 AM| 2 Answers
Who is Isabel Allende?
2/28/2015 12:07:31 PM| 2 Answers
Simplify: (2x)3
Weegy: 11(2x + 3) =(11)(2x) + (11)(3) =22x + 33 User: How much must you invest at one time in order to accumulate ...
2/28/2015 2:42:37 PM| 2 Answers
___________are a complex set of characteristics that make a person ...
Weegy: - - - are a complex set of characteristics that make a person unique, and are influenced by heredity, ...
2/28/2015 12:38:22 AM| 1 Answers
(x+3)(y+6)
Weegy: Here are some characteristics of grace and forgiveness: patience, kindness, mercy, unconditional love, empathy, ...
2/28/2015 1:15:50 AM| 1 Answers
Which of the following inventions destroyed the first market for ...
Weegy: B. The automobile
2/28/2015 3:25:11 AM| 1 Answers
Weegy Stuff
S
L
P
L
P
P
Points 46 [Total 7932]| Ratings 0| Comments 46| Invitations 0|Offline
S
1
L
L
Points 18 [Total 7519]| Ratings 0| Comments 18| Invitations 0|Offline
S
P
C
L
P
L
1
Points 8 [Total 7315]| Ratings 0| Comments 8| Invitations 0|Online
S
1
L
1
L
P
P
L
P
P
P
Points 1 [Total 16916]| Ratings 0| Comments 1| Invitations 0|Offline
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2014 Purple Inc.