If the thermometer used was reading 0.1 degrees too high on all measurements, what effect would it have on the final result? Briefly justify your answer.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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If the thermometer used was reading 0.1 degrees too high on all measurements, what effect would it have on the final result? Briefly justify your answer.

 

**Molar Heat of Fusion**

**Objective:**
In this experiment, you will determine the change in temperature of a mixture of warm water and ice. From this data, the amount of heat absorbed by the ice can be determined and ultimately, the molar heat of fusion of ice calculated.

**Procedure:**

1. Obtain the mass of a styrofoam cup.

2. Add 150 g of warm water (≈ 30 °C).

3. Obtain the mass of the cup plus water.

4. Stir the water with a thermometer and determine the temperature to the nearest tenth of a degree.

5. Dry one ice cube with a paper towel to remove any water, and place the ice immediately in the cup; do not splash any water from the cup.

6. Stir quickly until all the ice is melted, then record the temperature to the nearest tenth of a degree.

7. Determine the mass of the cup and water.
Transcribed Image Text:**Molar Heat of Fusion** **Objective:** In this experiment, you will determine the change in temperature of a mixture of warm water and ice. From this data, the amount of heat absorbed by the ice can be determined and ultimately, the molar heat of fusion of ice calculated. **Procedure:** 1. Obtain the mass of a styrofoam cup. 2. Add 150 g of warm water (≈ 30 °C). 3. Obtain the mass of the cup plus water. 4. Stir the water with a thermometer and determine the temperature to the nearest tenth of a degree. 5. Dry one ice cube with a paper towel to remove any water, and place the ice immediately in the cup; do not splash any water from the cup. 6. Stir quickly until all the ice is melted, then record the temperature to the nearest tenth of a degree. 7. Determine the mass of the cup and water.
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