What is an atomic number? An atomic mass?
2 answers:
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<u>Answer:</u> The amount of heat needed to melt the ice cube is 6.083 kJ
<u>Explanation:</u>
The processes involved in the given problem are:
- <u>For process 1:</u>
To calculate the amount of heat required to melt the ice at its melting point, we use the equation:
where,
= amount of heat absorbed = ?
m = mass of ice = 10.000 g
= enthalpy change for fusion = 334.16 J/g
Putting all the values in above equation, we get:
- <u>For process 2:</u>
To calculate the heat required at different temperature, we use the equation:
where,
= heat absorbed
m = mass of ice = 10.000 g
c = specific heat capacity of water = 4.184 J/g.°C
= change in temperature =
Putting values in above equation, we get:
Total heat absorbed =
Total heat absorbed =
Hence, the amount of heat needed to melt the ice cube is 6.083 kJ