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# Coffee Cup Calorimeter

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by

## Hanna Hillman

on 29 April 2014

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#### Transcript of Coffee Cup Calorimeter

Trial 3
Day 1
Coffee Cup Calorimeter
TRIAL 1:
CALORIMETER 1: with water
TRIAL 2:
CALORIMETER 1: with water
TRIAL 3:
Heat of Reaction for 1 M Soluts:
Calorimeter 1: -60594.053 J*mol
Calorimeter 2: -64112.027 J*mol

Day 2
Calormeter 1: 1.00 M
Trial 1
Trial 2
Calormeter 2: 1.00 M
Calorimeter 1: 6.00 M
Calorimeter 2: 6.00 M
Calorimeter 1: 1.00 M
Calorimeter 2: 1.00 M
Calorimeter 2: 1.00 M
Calorimeter 1: 1.00 M
CALORIMETER 1-
CALORIMETER 2-
CALORIMETER 2: with water
CALORIMETER 2: with water
Temperatures

Cold- 22.3
Warm-98.3
Mixed-52.1

Cold-8.3
Warm-99.4
Mixed-44.5

Cold- 5.5
Warm-71.1
Mixed-37.1

Cold-7.4
Warm-69.2
Mixed-34.1
Temperatures
Cold- 8.2
Warm-75.6
Mixed-37.4

Cold-7.1
Warm-78.4
Mixed-37.1
Temperatures
Calorimeter Constants:
Calorimeter 1: average constant = 64.44 J/C*
Calorimeter 2: average constant = 84.23 J/C*
Equations:
Qhot=mcΔT
Qcold=mcΔT
Ccal= -(Qhot + Qcold)/ΔT

Heat of Reaction for 6M Solutions:
Calorimeter 1: -63895.827 J*mol
Calorimeter 2: -65676.987 J*mol
Equations:
Qsol=mcΔT
Qcal=CcalΔT
Qrxn=-(Qsol+Qcal)
ΔHrxn=Qrxn/mols of H20
Group 5
Hanna Hillman, Karishma Mistry, Chase Vanderbilt, Nadine Garcia
Full transcript