Latent Heat and Specific Heat Capacity

The video tutorial explains the concept of latent heat of fusion, focusing on the energy required to change ice to water without changing its temperature. It details an experiment setup using a calorimeter to measure the specific latent heat of fusion of ice. The tutorial provides a step-by-step calculation, including converting measurements to kilograms and using specific heat capacities. The final calculation reveals the latent heat of fusion of ice, emphasizing the energy needed to melt ice and raise the temperature of the resulting water.

What is the specific latent heat of fusion of ice?

• The energy required to raise the temperature of 1 kg of ice by 1 degree Celsius.

• The energy required to convert 1 kg of water to steam.

• The energy required to melt 1 kg of ice without changing its temperature.

• The energy required to freeze 1 kg of water.

What happens to the temperature of ice as it melts?

• It increases gradually.

• It decreases gradually.

• It fluctuates randomly.

• It remains constant until all ice is melted.

What is the initial temperature of the water in the experiment?

• 21.5 degrees Celsius

• 0 degrees Celsius

• 29.5 degrees Celsius

• 8 degrees Celsius

How is the mass of water calculated in the experiment?

• By subtracting the mass of the calorimeter from the total mass of calorimeter and water.

• By using the density of water.

• By adding the mass of the calorimeter and ice.

• By measuring the volume of water.

What is the specific heat capacity of water used in the calculations?

• 380 J/kg°C

• 2100 J/kg°C

• 1000 J/kg°C

• 4184 J/kg°C

What is the final temperature of the water after the experiment?

• 21.5 degrees Celsius

• 29.5 degrees Celsius

• 8 degrees Celsius

• 0 degrees Celsius

What is the specific heat capacity of copper used in the experiment?

• 380 J/kg°C

• 2100 J/kg°C

• 1000 J/kg°C

• 4184 J/kg°C

What is the mass of the ice used in the experiment?

• 0.1229 kg

• 0.0144 kg

• 0.1085 kg

• 0.0563 kg

What is the latent heat of fusion of ice calculated in the experiment?

• 2100 J/kg

• 4184 J/kg

• 324,111.50 J/kg

• 380 J/kg

What is the purpose of the experiment described in the video?

• To find the melting point of copper.

• To measure the boiling point of water.

• To calculate the specific latent heat of fusion of ice.

• To determine the density of ice.