Experimen Quantity 2

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Transcript of Experimen Quantity 2

Heat Quantity for metal

Experiment: determining Heat Quantity for Metals

Experiment: determining Heat Quantity for Metals

S. Name: Mohammad Baker Al-NaemiMilitary No.: 105344

Experiment: determining Heat Quantity for MetalsFirst: Objectives:First: is to determine the heat capacity of aluminum, copper and steelSecond: is to understand how the varying heat capacities effects the uses and properties of different substancesSecond: Materials: 1 150 ml beaker for stabilizing Styrofoam cups 2 Styrofoam/group 25 ml graduated cylinder Thermometer 1 hot plate/ class Copper wire Steel washers String Balance/class 1 beaker, at least 150 ml for boiling water/class Water

Third: Procedure: Fill the beaker about 3/4 with water and bring to a boil on the hot plate. Using the graduated cylinder, measure 50 ml of water into two stacked Styrofoam cups, which are placed in a 150 ml beaker for extra stability. Place the thermometer in the cups. Weigh the copper wire or aluminum sample on the balance and record the weight in the lab book. Record the temperature of the water in the Styrofoam cup in the lab book. After the metal sample has been in the boiling water for a few minutes, quickly pull it out and place it in the Styrofoam cup. Repeat steps 2 - 7 with the other metal if desired. Repeat 2, 3, and 6. Then pour some boiling water into the graduated cylinder (at least 5 ml). Quickly record the volume of the boiling water and pour it into the Styrofoam cup. Finally: calculate the results

Fourth: Results and Conclusion A rise in water temperature when metal is set in it. When temperature increases, quantity of heat increases

Fifth: Table of Results MetalMT1T2Q

Aluminum0.322604.5

Copper0.322756.36

Steel0.322685.52