chemistry lab
Calorimetry Lab Report Sheet
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Name: |
Quiz is 20 points |
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Lab Report is 80 points |
Prepare NaOH and HCl Solutions:
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Solutions |
Volume |
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Volume of NaOH solution |
mL |
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Molarity of NaOH solution |
M |
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Volume of HCl solution |
mL |
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Molarity of HCl solution |
M |
Temperature of Solution in Calorimeter vs. Time:
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Time (min) |
Temperature (ºC) |
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0 |
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1.0 |
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2.0 |
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3.0 |
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4.0 |
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6.0 |
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6.5 |
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7.0 |
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7.5 |
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8.0 |
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8.5 |
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9.0 |
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9.5 |
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10.0 |
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· Show your work for the following calculations. Assume that the density of the solution is 1.00 g/mL and its specific heat is 4.184 J/g oC.
· Remember to insert your graph as well as the picture of your setup.
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Calculations |
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Tf (extrapolated Temperature at 5 minutes) |
ºC |
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∆T ( = Tf – Ti) |
ºC |
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Moles of HCl (=VHCl x MHCl) |
mol |
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Moles of NaOH (=VNaOH x MNaOH) |
mol |
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Limiting reactant (the one that is used up first according the moles of each reactant. If both are the same, then use either reactant) |
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Moles of water formed |
mol |
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qsolution |
J |
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qcalorimeter |
J |
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qrxn |
J |
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qrxn |
kJ |
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Molar heat of enthalpy (Heat released/mole of water formed) |
kJ/mol |
North Lake College CHEM 1411 Online Calorimetry Lab p. 3 Sum 2018