Lab Graph Data
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0 50 100 150 200 250 300 350 400 450 500 550 600 650 24 25 26 27 28 Graph for neutralisation of hcl & naoh Mixture Linear (Mixture) time/s Temperature/°C Figure 2: Graph of Temperature against Time for Neutralization of HCl and NaOH Part 2- Determining the heat of neutralisation of a strong acid/strong base reaction (HCl/NaOH) Temperature (°C) Calibration Thermometer #1 24.2 Not required Thermometer #2 23.7 +0.5°C Table 2.1: Temperatures measured by two thermometers in a beaker of water Time/s 60 120 180 240 300 Temperature of HCl/°C 24.2 24.2 24.2 24.2 24.2 Temperature of NaOH/°C 24.2 24.2 24.2 24.2 24.2 Table 2.2: Temperature of HCL & NaOh before mixing Time/s 3 6 9 12 15 18 21 24 27 30 40 50 Temperature/ °C 27.1 27.4 27.5 27.5 27.6 27.6 27.6 27.6 27.6 27.6 27.6 27.5 Time/s 60 70 80 90 100 110 120 130 140 150 160 170 Temperature/ 27.5 27.5 27.5 27.5 27.5 27.5 27.4 27.4 27.4 27.4 27.4 27.4 T T 1 = 24.2°C
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Transcript of Lab Graph Data
T1 = 24.2CT2 = 24.2C
T =27.6oC
Figure 2: Graph of Temperature against Time for Neutralization of HCl and NaOHPart 2- Determining the heat of neutralisation of a strong acid/strong base reaction (HCl/NaOH)Temperature (C)Calibration
Thermometer #124.2Not required
Thermometer #223.7+0.5C
Table 2.1: Temperatures measured by two thermometers in a beaker of water
Time/s60120180240300
Temperature of HCl/C24.224.224.224.224.2
Temperature of NaOH/C24.224.224.224.224.2
Table 2.2: Temperature of HCL & NaOh before mixing
Time/s369121518212427304050
Temperature/C27.127.427.527.527.627.627.627.627.627.627.627.5
Time/s60708090100110120130140150160170
Temperature/C27.527.527.527.527.527.527.427.427.427.427.427.4
Time/s180210240270300
Temperature/C27.427.427.427.427.3
Tf =28.1oCT0 = 24.8CTf = 28,1C
Time/s369121518212427304050
Temperature/C26.328.028.028.128.128.128.128.128.128.028.027.9
Time/s60708090100110120130140150160170
Temperature/C27.827.827.727.727.727.727.727.727.727.627.627.6
Time/s180210240270300
Temperature/C27.627.627.527.527.5
T1 = 24.2CT2 = 24.4C 27.5C
Temperature (C)Calibration
Thermometer #124.4Not required
Thermometer #223.8+0.6C
Table 3.1: Temperatures measured by two thermometers in a beaker of water
Time/s60120180240300
Temperature of CH3COOH/C24.324.324.324.324.2
Temperature of NaOH/C24.424.424.424.424.4
Table 3.2: Temperature of CH3COOH & NaOH before mixing
Table 3.3: Temperature of mixed solution (CH3COOH + NaOH)Time/s369121518212427304050
Temperature/C25.527.127.427.527.527.527.527.527.527.527.527.5
Time/s60708090100110120130140150160170
Temperature/C27.527.527.527.527.527.427.427.427.427.427.427.4
Time/s180210240270300
Temperature/C27.427.427.427.427.3
