States of Matter & Thermal Capacity
1. This question has 3 part(s).
1.1. A student uses the apparatus in Figure 3 to determine the specific heat capacity of water.
Figure 3
(i) State the measurements needed to calculate the specific heat capacity of water.
[4]
(ii) State two ways that the apparatus could be adapted to improve the procedure.
[2]
1.2. The student decides to measure the temperature of the water every minute while it is being heated.
Figure 4 shows a graph of the student’s results.
Figure 4
Predict the temperature of the water if the heating continues up to 8 minutes.
temperature of the water = ........................................ °C
1.3. Another student decides to melt some ice.
The student melts 380g of ice at 0°C.
The specific latent heat of fusion of ice is 3.34 × 105 J/kg.
Calculate the thermal energy needed to melt the ice.
Select an equation from the list of equations at the end of this paper
thermal energy needed = ............................................. J
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