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If a solid piece of naphthalene is heated and remains at 80 C until it is completely melted, you know that 80 C is the A. freezing point of naphthalene. B. melting point of naphthalene. C. boiling point of naphthalene. D. both a and b
Weegy: D. both a and b User: At a temperature of 280 K, the gas in a cylinder has a volume of 20.0 liters. If the volume of the gas is decreased to 10.0 liters, what must the temperature be for the gas pressure to remain constant? (More)
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Expert Answered
Updated 6/11/2012 3:01:11 AM
1 Answer/Comment
80 degrees Celsius must be b) the melting point of napthalene.
Added 6/11/2012 3:01:11 AM
The tendency of an element to react is closely related to A. its atomic mass. B. attractions between its atoms. C. the number of valence electrons in atoms of the element. D. the ratio of protons to neutrons in atoms of the element
Question
Expert Answered
Updated 301 days ago|6/30/2016 3:54:10 PM
1 Answer/Comment
The tendency of an element to react is closely related to the number of valence electrons in atoms of the element.
Added 301 days ago|6/30/2016 3:53:43 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by jeifunk [6/30/2016 3:54:11 PM]
The formation of an ionic bond involves the A. transfer of electrons. B. transfer of neutrons. C. transfer of protons. D. sharing of electrons.
Question
Expert Answered
Updated 10/25/2014 4:11:31 PM
1 Answer/Comment
The formation of an ionic bond involves the: TRANSFER OF ELECTRONS.
Added 10/25/2014 4:11:31 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by andrewpallarca [10/25/2014 4:21:56 PM]
When the forward and reverse paths of a change occur at the same rate, A. the system is conserved. B. the system is in equilibrium. C. the change must be physical. D. the change must be chemical.
Question
Expert Answered
Updated 11/3/2015 3:32:13 AM
1 Answer/Comment
When the forward and reverse paths of a change occur at the same rate, the system is in equilibrium.
Added 11/3/2015 3:32:11 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by selymi [11/12/2015 1:57:45 AM]
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