Question and answer
An iron atom has an atomic number of 26 and an atomic mass of 55.8 amu. How many protons does an iron atom have? A. 26 B. 30 C. 56 D. 82
26 protons of an atom is the same as the atomic number of the element.
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Asked 11/26/2014 7:33:31 AM
Updated 11/26/2014 8:08:18 AM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [11/26/2014 8:08:17 AM], Confirmed by jeifunk [11/26/2014 8:08:18 AM]
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Water can be made to boil at 105 degrees Celsius instead of 100 degrees Celsius by A. applying a great deal of heat. B. increasing the air pressure on the water. C. decreasing the air pressure on the water. D. removing a great deal of heat.
Weegy: Water can be made to boil at 105 degrees Celsius instead of 100 degrees Celsius by increasing the air pressure on the water. User: As a liquid cools, what happens to the evaporation rate? A. It increases. B. It decreases. C. It does not change. (More)
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Updated 5/30/2016 12:56:00 AM
1 Answer/Comment
As a liquid cools, the evaporation rate decreases.
Added 5/30/2016 12:10:56 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [5/30/2016 12:56:30 AM]
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