gold has a melting point of 1064 degrees celsius and and a boiling point of 2700 degrees celsius at what temperature will gold b
1 answer:
Answer: The gold will become liquid at 1064°C.
Explanation:
Melting point is defined as the temperature at which solid state starts to change its phase into liquid state at constant temperature.
Boiling point is defined as the temperature at which liquid state starts starts to change its phase into gaseous state at constant temperature.
For the given gold substance:
Melting point is given as 1064°C and boiling point is given as 2700°C.
This substance will be in liquid state after its melting point which is 1064°C.
Hence, the gold will become liquid at 1064°C.
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Answer:- The formula tells us that one formula unit of this compound is composed of one calcium atom, two nitrogen atoms, and six oxygen atoms.
Explanations:- Subscripts tell us about the number of atoms of the element for which they are used. For example, here the subscript of Ca is one, it means there is one calcium atom in the given one formula unit.
When we have subscripts inside and outside the parenthesis then they are multiplied and the outside subscript is considered for all the atoms present inside the parenthesis.
Here, for the given chemical formula, the subscript of N is 1 and the subscript present outside is 2. So, 1 x 2 = 2 and for oxygen, 3 x 2 = 6
So, we have one calcium atom, two nitrogen atoms and six oxygen atoms for one formula unit of given compound.