2 kg * 1000 g/kg * 1mol/18.02 * 6.03 kj/mol = 669kj apex :D
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To melt 2kg of ice, you need to add 334,000 joules of energy. This is known as the latent heat of fusion for ice, which is 334,000 J/kg. So, for 2kg of ice, the total energy required would be 668,000 joules.
It takes about 80 calories to melt a gram of ice, so melting 2 kg of ice would take about 160 kilocalories.
The energy required to melt ice is known as the heat of fusion, which is about 334 joules per gram. Therefore, it would take approximately 3340 joules of energy to melt 10g of ice.
Heat because Ice and water would thaw out and begin to heat up
Heat is added to ice to make it melt. When heat is applied, it increases the kinetic energy of the molecules in the ice, causing them to break free from their rigid structure and turn into liquid water.
The ice cubes will melt in the hot water first. The heat energy from the hot water will transfer to the ice cubes, causing them to melt.
A hot spoon heats the ice cream at a faster rate due to increased thermal energy transfer, causing the ice cream to melt quicker. The cold spoon, on the other hand, has lower thermal energy, resulting in a slower melting process.