# 2. When a neutralization reaction was carried out using 100.0 ml of 0.7890M NH3 water and...

###### Question:

2. When a neutralization reaction was carried out using 100.0 ml of 0.7890M NH3 water and 100.0 ml of 0.7940M acetic acid, AT was found to be 4.76 "C The specific heat of the reaction mixture was 4.104 -1K-1 and its density was 1.03 g ml 1. The calorimeter constant was 3.361 K-1 1) Calculate AH neutan for the reaction of NH3 and acetic acid 06) At the end of the experiment, it was discovered that the thermometer had not been calibrated. When it was calibrated, it was found that the thermometer read 0.50 "Clow What etfect would this thermometer reading have on the reported AH neutm calculated in (2) above? ou When the time-temperature data graph was reviewed, it was found that an error had been made in determining AT. Instead of 4.76 "C, ATwas actually 4.70'C. Based on this change only, calculate the correct AH neutzn for the reaction of NH3 and acetic acid 30 v Calculate the percent error for the correct AH neutenifa ATof 4.76 'Chad been used 3. Consider the powbility of substituting a glass beaker for the Styrofoam cup for the calorimeter when doing the experiment described in this module Would you expect the calorimeter constant of the cup to be larger, aller, or the same as that of the beaker Briefly explain ( 2) Would you expect the Arinetan to be larger, smaller, or the same when using the beaker instead of the cup Briefly explain

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