PASCO TD-8557 Instruction Manual And Experiment Manual Download | Manualshive

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I n s t r u c t i o n M a n u a l a n d

E x p e r i m e n t G u i d e

0 1 2 -0 3 0 6 0 D

Basic Calorimetry Set

TD-8557

CALORIMETER

MAX TEMP: 100

°

C

P/N: 650-02975

Al

Cu

Pb

1
2
3
...
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Summary of Contents for TD-8557

Page 1: ... Instruction Manual and Experiment Guide 012 03060D Basic Calorimetry Set TD 8557 CALORIMETER MAX TEMP 100 C P N 650 02975 Al Cu Pb ...

Page 2: ... Table of Contents ii Introduction 1 Notes on Calorimetry 2 Experiment 1 What is a Calorie 3 Experiment 2 Specific Heat 5 Experiment 3 Latent Heat of Vaporization 8 Experiment 4 Latent Heat of Fusion 10 ...

Page 3: ... necessary to perform a variety of calorimetry experiments Four important introductory experiments are described in this manual Experiment 1 What is a Calorie An introduction to the ideas of temperature and heat and a demonstration of the conservation of energy Experiment 2 Thermal Capacity and Specific Heat The specific heats of aluminum copper and lead are measured Experiment 3 Latent Heat of Va...

Page 4: ...never possible room temperature is approximately midway between the beginning and ending temperatures of the experiment When the experi mental temperature is colder than room temperature heat flows from the surroundings into the calorimeter When the experimental temperature is hotter than room temperature heat flows from the calorimeter into the surroundings If the experimental temperature varies ...

Page 5: ...s Using the definition of the calorie you will be able to determine the amount of heat energy that is transferred in bringing the hot and cold water to their final common temperature and thereby determine if heat energy is conserved in this process Procedure 1 Determine the mass of the empty calorimeter Mcal Record your result in Table 1 1 2 Fill the calorimeter about 1 3 full with cold water Meas...

Page 6: ...ter cold Tcold 1 cal g K Hhot Mwater hot Thot 1 cal g K Questions 1 Which had more thermal energy the two cups of water before they were mixed together or after they were mixed Was energy conserved 2 Discuss any unwanted sources of heat loss or gain that might have had an effect on the experiment 3 If 200 g of water at 85 C were added to 150 g of water at 15 C what would be the final equilibrium t...

Page 7: ...um Copper and Lead 1 Measure Mcal the mass of the calorimeter you will use it should be empty and dry Record your result in Table 2 1 2 Measure the masses of the aluminum copper and lead samples Record these masses in Table 2 1 in the row labeled Msample 3 Attach a thread to each of the metal samples and suspend each of the samples in boil ing water Allow a few minutes for the samples to heat thor...

Page 8: ...ns Part 1 For each metal tested use the equations shown below to determine Mwater the mass of the water used Twater the temperature change of the water when it came into contact with the metal sample and Tsample the temperature change of the metal sample when it came into contact with the water Record your results in Table 2 1 Mwater Mtotal Mcal Msample Twater Tfinal Tcool Tsample 100 C Tfinal Fro...

Page 9: ...eeze the spe cific heat of antifreeze cantifreeze ____________ Questions 1 How do the specific heats of the samples compare with the specific heat of water 2 Discuss any unwanted heat loss or gain that might have effected your results 3 From your measured specific heat for antifreeze which should be the better coolant for an automobile engine antifreeze or water Why is antifreeze used as an engine...

Page 10: ...ator with a water trap as shown in Figure 3 1 The tube lengths should be approximately as shown in the figure 3 Determine Mcal the mass of a the empty dry calorimeter 4 Fill the calorimeter approximately 1 2 full of cool water about 10 C below room temperature 5 Turn on the steam generator and wait for the steam to flow freely for at least a minute 6 Measure Tinitial and Mcal water the temperature...

Page 11: ...iple of the conservation of energy the total heat released by the steam equals the total heat absorbed by the cooler water Stated mathematically Msteam Hv Msteam 1 cal g K Tsteam Tfinal Mwater 1 cal g K Tfinal Tinitial Msteam Mfinal Mcal water __________________ Mwater Mcal water Mcal __________________ Tsteam 100 C Hv the latent heat of vaporization per gram of water Use your data and the above i...

Page 12: ...ry calorimeter 3 Fill the calorimeter approximately 1 2 full of warm water about 15 C above room temperature 4 Measure Mcal water the mass of the calorimeter and water 5 Measure Tinitial the initial temperature of the warm water 6 Add small chunks of ice to the warm water wiping the excess water from each piece of ice immediately before adding Add the ice slowly stirring continuously with the ther...

Page 13: ...al Mice Mfinal Mcal water __________________ Use your data and the above information to determine Hf the latent heat of fusion per gram of water Hf the latent heat of fusion per gram of water Questions 1 What advantage might the commercially packaged coolant material have over ice other than that it produces less mess If you didn t perform the optional part of the experiment what properties would ...

Page 14: ...al providing the reproductions are used only in their laboratories and classrooms and are not sold for profit Reproduction under any other circumstances without the written consent of PASCO scientific is prohibited Trademarks PASCO and PASCO scientific are trademarks or registered trademarks of PASCO scientific in the United States and or in other countries All other brands products or service nam...

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