Determining enthalpies of reaction by Calorimetry

Pages :

9 pages

Format :

.doc

Published date :

04/25/2009

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Table of Contents Determining enthalpies of reaction by Calorimetry Table of Contents

 
  1. Introduction
  2. The equation
  3. Sample calculation
  4. Discussion
  5. Conclusion
  6. References

Abstract

The purpose of this lab is to determine the specific heat of the calorimeter, the enthalpy changes of 4 different reactions, namely Heat of Solution of NaOH(s), Heat of Solution of KNO3(s), the Heat of Neutralization of HCl(aq) and NaOH(aq), and the Heat of reaction of NaOH(s) and HCl(aq), and to verify Hess's Law. This will be determined by using calorimetry, which measures the heats of reaction. This relies on the First Law of Thermodynamics, which applies the theorem of conservation of energy to heat processes. In this lab, the calorimeter consists of 2 nested Styrofoam cups, which insulate it from the surroundings and allow it to be an isolated system.1 The values obtained will be compared to literature values and will also help to determine the heat capacity of the calorimeter.

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About the author :

pencil image Apar G.  
Level :Advanced Study : Medical studies School/University : Boston University

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