You have new items in your feed. Click to view.
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
26,248,514 questions answered
Popular Conversations
What equation in slope intercept form represents the line that passes ...
Weegy: You will expect the student to make 55 mistakes at the recital after 6 hours of practicing. User: What is ...
9/29/2016 2:02:24 PM| 6 Answers
what is the product (3p 4)3 · (p 2)7
Weegy: (3p^4)3 ? (p^2)7 =27p^26 User: what is the product of (-2x 2)3 ·3x User: what is the product of (0.5n ...
9/29/2016 3:39:09 PM| 3 Answers
Find a common denominator between the two fractions. 1/4 and 3/5
Weegy: The denominator of the fraction 1/8 is 8 User: Add the following fractions. 1/4 + 2/4 =
9/29/2016 6:30:44 AM| 2 Answers
What was primarily bought to be traded in the Americas when ships ...
Weegy: Slaves was primarily bought to be traded in the Americas when ships traded at West African ports. User: ...
9/29/2016 9:12:56 AM| 2 Answers
An example of an inorganic compound ...
Weegy: An example of an inorganic compound is water. User: ______ are organic compounds made of sugars or ...
9/29/2016 11:01:42 AM| 2 Answers
The use of alcohol, tobacco, and drugs can contribute to all of the ...
Weegy: The use of alcohol, tobacco, and drugs can not contribute to delayed labor.
9/29/2016 12:31:00 PM| 2 Answers
The maximum number of wolves that can survive in a particular forest ...
Weegy: The maximum number of wolves that can survive in a particular forest is 230. This number is called the carrying ...
9/29/2016 7:56:21 PM| 2 Answers
t Object]User: 7. TRUE OR FALSE: Someone who serves as a Director ...
Weegy: Someone who serves as a Director every day might not hold that title when deployed under an ICS structure. the ...
9/29/2016 8:09:18 PM| 2 Answers
Weegy Stuff
S
L
P
P
P
P
P
L
Points 1153 [Total 5225] Ratings 2 Comments 1133 Invitations 0 Offline
S
P
1
L
Points 841 [Total 1721] Ratings 9 Comments 751 Invitations 0 Offline
S
L
P
Points 230 [Total 1342] Ratings 0 Comments 230 Invitations 0 Offline
S
Points 223 [Total 517] Ratings 0 Comments 223 Invitations 0 Offline
S
Points 105 [Total 105] Ratings 0 Comments 105 Invitations 0 Offline
S
L
P
P
P
Points 90 [Total 3952] Ratings 0 Comments 90 Invitations 0 Offline
S
Points 72 [Total 72] Ratings 0 Comments 72 Invitations 0 Offline
S
Points 30 [Total 30] Ratings 3 Comments 0 Invitations 0 Offline
S
L
Points 25 [Total 4250] Ratings 1 Comments 15 Invitations 0 Offline
S
Points 11 [Total 11] Ratings 1 Comments 1 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.