An object is placed at 0 on a number line. It moves 3 units to the right, then 4 units to the left, and then 6 units to the righ
2 answers:
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616.67kJ
Explanation:
Given parameters:
Heat of fusion of water = 6kJ/mol
Mass of ice = 1850g
Unknown:
Quantity of heat required to melt ice = ?
Solution:
The quantity of heat required to melt the ice must be capable of overcoming the heat of fusion of the ice.
First convert the given mass to number of moles;
Number of moles of water =
Molar mass of H₂O = 2 + 16 = 18g/mol
Number of moles of water = = 102.78mole
Now to find the quantity of heat;
Q = number of moles x heat of fusion of water = 102.78 x 6
Q = 616.67kJ
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