chemistry lab

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OnlineCalorimetryYourName.docx

Calorimetry Lab Report Sheet

Name:

Quiz is 20 points

Lab Report is 80 points

Prepare NaOH and HCl Solutions:

Solutions

Volume

Volume of NaOH solution

mL

Molarity of NaOH solution

M

Volume of HCl solution

mL

Molarity of HCl solution

M

Temperature of Solution in Calorimeter vs. Time:

Time (min)

Temperature (ºC)

0

1.0

2.0

3.0

4.0

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

10.0

· 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.

Calculations

Tf (extrapolated Temperature at 5 minutes)

ºC

∆T ( = Tf – Ti)

ºC

Moles of HCl (=VHCl x MHCl)

mol

Moles of NaOH (=VNaOH x MNaOH)

mol

Limiting reactant (the one that is used up first according the moles of each reactant. If both are the same, then use either reactant)

Moles of water formed

mol

qsolution

J

qcalorimeter

J

qrxn

J

qrxn

kJ

Molar heat of enthalpy (Heat released/mole of water formed)

kJ/mol

North Lake College CHEM 1411 Online Calorimetry Lab p. 3 Sum 2018