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How do you calculate the enthalpy of melting ice?

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How do you calculate the enthalpy of melting ice?

Key Takeaways: Heat of Fusion for Melting Ice

  1. Heat of fusion is the amount of energy in the form of heat needed to change the state of matter from a solid to a liquid (melting.)
  2. The formula to calculate heat of fusion is: q = m·ΔHf

When 1kg of ice at 0c is mixed with?

1 kg of ice at 0°C is mixed with 1 kg of steam at 100°C. What will be the composition of the system when thermal equilibrium is reached? Latent heat of fusion of ice = 3.36 × 103 J kg−1 and latent heat of vaporization of water = 2.26 × 106 J kg−1.

How many joules does it take to melt 1 gram of ice?

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334 J
A total of 334 J of energy are required to melt 1 g of ice at 0°C, which is called the latent heat of melting.

Which contains more heat 1 kg of ice at 0oc or 1 kg of water at 0oc give reason?

The latent heat of fusion of ice is 3.34 × 105 J/kg. This means that 3.34 × 105 J of heat is required to change 1 kg of ice at 0°C into the water at the same temperature. Water converts into ice when heat is removed, and thus, 1kg of water contains more heat than 1kg of ice at the same temperature.

What is the enthalpy of fusion of ice at 273 K?

The heat capacity of ice is 3.8 J K-1 kg-1 and that of water is 75 J K-1 kg-1. The enthalpy of fusion of ice at 273 K is 6.02 kJ mol-1. I think your heat capacity units should be J K -1 mol -1, and the value for ice should be 38, not 3.8.

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What is the formula for the change in entropy?

The change in entropy of the surroundings after a chemical reaction at constant pressure and temperature can be expressed by the formula ΔS surr = -ΔH/T

What is the entropy change when ice is converted from 0c to water?

when ice at 0C is converted to water at same temp. it receives 335 kj/kg (latant heat of fussion) from strirring wheel. to estimate entropy change there is a formula- S=Q/T. S=335/273. S=1.227kj/K ans.

How much does entropy change when ice is strirred by paddle wheel?

Originally Answered: How much does the entropy of 1 kg of ice at 0 C change as it melt into water at 0 C, when it is strirred by a paddle wheel? when ice at 0C is converted to water at same temp. it receives 335 kj/kg (latant heat of fussion) from strirring wheel. to estimate entropy change there is a formula- S=Q/T