Question

PROCEDURE

1. Use the 100 mL graduated cylinder to measure and pour 70 mL of room-temperature tap water into a dry StyrofoamTM cup. Record the exact volume in Table 2 on the Experiment 1 Data Sheet.

2. Place the filled cup inside the second cup to increase the insulation temperature.

3. Place and hold the thermometer in the center of the water. Use a timer to time 30 seconds, then measure the initial temperature of the water (Figure 4). Record the value in Table 2 on the
   Data Sheet.

4. Place one ice cube on a surface or in a sink, and allow it to start melting. As soon as it starts to melt, wipe off the excess water with a paper towel and place the ice cube in the filled cup.

5. Gently and continuously stir the contents with the thermometer until all of the ice melts.

6. Once the ice completely melts, use the timer to monitor the temperature for 2 minutes. After 2 minutes, record the final temperature of the water in Table 2 on the Data Sheet.

7. Remove the thermometer, and carefully pour the water back into the 100 mL graduated cylinder. Measure and record the final volume in Table 2 on the Data Sheet.

Water:

Initial Temperature- 21 degrees C

Final Temperature- 2 degrees C

Initial Volume- 70 mL

Final Volume- 95 mL

With this information... fill out the table below:

(Instructions on how to do so please!)

Mass of water (g) =
Change in Water Temperature (ΔoC) =
Heat Lost by Water (J) =
Mass of Ice Cube (g) =
Change in Ice Temperature (ΔoC) =
Heat Gained by Ice After Melted (J) =
Heat Used to Melt Ice (J) =
Theoretical Heat to Melt Ice (J) =
% Error =

Answer 1

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