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Chemistry Lab Data Sheet: Solution Calorimetry Experiment, Lab Reports of Chemistry

Clayton State UniversityChemistry

A data sheet for a solution calorimetry experiment in a chemistry 1211 course. It includes temperature readings, mass measurements, and calculations for heat capacities, heat gained by calorimeters, and heat of neutralization for various acids. Students are expected to perform calculations and write balanced chemical reactions.

Typology: Lab Reports

Pre 2010

Uploaded on 08/04/2009

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Name:__________________________________
Chemistry 1211
Solution Calorimetry Data Sheet
Week 1
Calibration of Thermometers
Temperature of Thermometer #1 in water _________________
Temperature of Thermometer #2 in water _________________
Correction factor applied to Thermometer #2
to make readings equal to thermometer #1 (remember sign) _________________
Heat Capacity of Calorimeter
Mass of Empty Calorimeter _________________
Temperature of calorimeter and water before mixing _________________
Mass of Calorimeter with cold water _________________
Mass of Hot water _________________
Temp of warm water _________________
Mass of Calorimeter with Hot and Cold water _________________
Max temp from graph _________________
Mass of water _________________
Heat lost by warm water _________________
Calculation:
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Name:__________________________________ Chemistry 1211 Solution Calorimetry Data Sheet Week 1 Calibration of Thermometers Temperature of Thermometer #1 in water _________________ Temperature of Thermometer #2 in water _________________ Correction factor applied to Thermometer # to make readings equal to thermometer #1 (remember sign) _________________ Heat Capacity of Calorimeter Mass of Empty Calorimeter _________________ Temperature of calorimeter and water before mixing _________________ Mass of Calorimeter with cold water _________________ Mass of Hot water _________________ Temp of warm water _________________ Mass of Calorimeter with Hot and Cold water _________________ Max temp from graph _________________ Mass of water _________________ Heat lost by warm water _________________

Heat gained by cooler water _________________ Calculation: Heat gained by calorimeter _________________ Calculation: Heat capacity of calorimeter _________________ Calculation: Practice Heat of Neutralization HCl-NH 3 Mass of Empty Calorimeter _________________ Temp of Calorimeter and NH 3 _________________ Mass of Calorimeter and NH 3 _________________ Change in Temperature determined from curve after adding HCl _________________ Mass of Calorimeter with NH 3 and HCl _________________ Heat gained by solution _________________ Calculation: Heat gained by calorimeter _________________

Week 2 Calibration of Thermometers Temperature of Thermometer #1 in water _________________ Temperature of Thermometer #2 in water _________________ Correction factor applied to Thermometer # to make readings equal to thermometer #1 (remember sign) _________________ Heat of Neutralization HCl-NaOH Mass of Empty Calorimeter _________________ Temp of Calorimeter and NaOH _________________ Mass of Calorimeter and NaOH _________________ Change in Temperature determined from curve after adding HCl _________________ Mass of Calorimeter with NaOH and HCl _________________ Heat gained by solution _________________ Calculation: Heat gained by calorimeter _________________ Calculation: Total Joules released _________________

Write balanced chemical reaction ___________________________________ Number of moles of HCl used _________________ Calculation: Number of moles of H 2 O produced in reaction _________________ Calculation: Joules released per mole of water formed _________________ Calculation: Heat of Neutralization Acetic Acid-NaOH Mass of Empty Calorimeter _________________ Mass of Calorimeter and NaOH _________________ Temp of Calorimeter and NaOH _________________ Change in Temp determined from curve after adding Acetic Acid _________________ Mass of Calorimeter with NaOH and Acetic Acid _________________ Heat gained by solution _________________

Heat of Neutralization Acetic Acid-Ammonia Mass of Empty Calorimeter _________________ Mass of Calorimeter and Ammonia _________________ Temp of Calorimeter and Ammonia _________________ Change in Temp determined from curve after adding Acetic Acid _________________ Mass of Calorimeter with Ammonia and Acetic Acid _________________ Heat gained by solution _________________ Calculation: Heat gained by calorimeter _________________ Calculation: Total Joules released _________________ Calculation: Write balanced chemical reaction ___________________________________ Number of moles of Acetic Acid used _________________

Number of moles of salt produced in reaction _________________ Calculation: Joules released per mole of reaction _________________ Calculation: Hess’ Law Write the total ionic equations for the three reactions above and manipulate them and their enthalpy changes to calculate the enthalpy change for the reaction given below.

HCl(aq) + NH 3 (aq)  NH 4 Cl (aq) ____________KJ/mol