Determination of the specific heat of aluminum

Determine the specific heat of aluminum using the calorimetric method. Analyze possible sources of error.

How to conduct an experiment

Weigh the mass of the test object.
Weigh the cup of the calorimeter, pour about $100 m l$ of cold water into the cup, weigh the total mass of the cup and water.
Place one temperature sensor in the calorimeter, the other in the hot water.
Drop the test object tied to the end of the thread into the hot water and wait until thermal equilibrium occurs.
Record the temperatures of the water in the calorimeter and the hot water heating the test body.
Remove the test piece from the hot water and place it in the cold water in the calorimeter cup.
Stir the water until the temperature in the calorimeter stops changing.
Record the temperature of the water in the calorimeter.
Calculate the specific heat of the substance of the test object.

How to conduct an experiment

How we calculate

To calculate the specific heat of a body from an unknown material, we need

We use the formula to calculate

c_{k} = - \frac{c_{v} m_{v} (t^{\circ} - t_{v1}^{\circ})}{m_{k} (t^{\circ} - t_{k1}^{\circ})}

Test data

Test object mass $m_{k}$ ( $k g$ )
Mass ( $k g$ ) of the aluminum calorimeter cup
Total mass of cold water and calorimeter cup ( $k g$ )
Mass of cold water $m_{v}$ ( $k g$ )
Specific heat of water ( $\frac{J}{k g \cdot^{\circ} C}$ )
Initial temperature of cold water $t_{v 1}^{\circ}$ ( $^{\circ} C$ )
Initial temperature of the test object (hot water temperature) $t_{k 1}$ ( $^{\circ} C$ )
The final temperature of the cold water and the test object $t^{\circ}$ ( $^{\circ} C$ )

Results

Specific heat of aluminum from my experiment ( $\frac{J}{k g \cdot^{\circ} C}$ )
Specific heat of aluminum from the table ( $\frac{J}{k g \cdot^{\circ} C}$ )

The table shows the specific heats of several well-known substances.

Comment

All sources of error mentioned in the question are real, although they affect the result to varying degrees.

The bottommost, unexplained row of the results table gives the automatically calculated value based on the test results.