chem lab report
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MeasurementsLab10.docx|
Measurements |
My Data |
Group 2 Data |
Group 3 Data |
Group 4 Data |
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Part 1 Mass of KOH= Moles of KOH= mL of solution= Delta T= Heat (J)=m.c.deltaT Heat (J)/moles KOH= |
4.83g 0.086mol KOH 100mL 28.7-21.8=6.92C 3035.17J 35292.67J/mol |
2.80g 0.05mol KOH 100mL 2C 836.8J 16736J/mol |
2.343g .0418molKOH 100mL 3.42C 1464.45J 35106.19J/mol |
2.70g 0.048mol 100ml 4.37C 1826.66J 38055.42J/mol |
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Part 2 Mass of KOH= Moles of KOH= Moles of HCl= mL of solution= pH test = acidic Limiting Reagent Delta T= Heat (J)= Heat (J)/molesKOH= |
2.02g 0.036mol KOH 0.150mol HCl 100mL acidic KOH 29.4-21.6 = 7.84C 3346.52J 92958.89J/mol |
2.00g 0.0357mol KOH 3.75mol HCl 100mL acidic KOH 8.1C 3389.04J 94931.09J/mol |
2.30g 0.0410mol KOH 3.06mol 100mL acidic KOH 8.17C 3418.33J 83373.85J/mol |
2.00g 0.036mol 0.150mol 100mL acidic KOH 8.26C 4074.2J 113171.2J |
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Part 3 Mass of KOH= Moles of KOH= Moles of HCl= mL of solution= pH test = acidic Limiting Reagent Delta T= Heat (J)= Heat (J)/moles KOH= |
50mL = 50g 0.043mol KOH 0.075mol HCl 100mL acidic KOH 26.7 – 21.4 = 5.34 2234.26J 51959.53J/mol |
50.0g KOH 0.892 mol KOH 1.37 HCl 100mL acidic KOH 1.42C 594.128J 666.06J/mol |
1.17g KOH-H2O .0209mol 1.53mol 100mL acidic KOH 2.97C 1242.65 59456.84J/mol |
1.35gKOH-H2O .024mol .075mol 100mL acidic KOH 3.83C 39356.40J/mol |
