6. Think of some other chemical reactions. List them and the type of reaction: exothermic or endothermic. Example: Burning coal
1 answer:
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Answer: The enthalpy change is 34.3 kJ
Explanation:
The conversions involved in this process are :
Now we have to calculate the enthalpy change.
where,
= enthalpy change = ?
m = mass of water = 72.0 g
= specific heat of ice =
= specific heat of liquid water =
n = number of moles of water =
= enthalpy change for fusion = 6010 J/mole
Now put all the given values in the above expression, we get
(1 KJ = 1000 J)
Therefore, the enthalpy change is 34.3 kJ
The answer is 607g. the working is shown above.
