P Chem Lab 4

  • November 2019
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Biphenyl Trial 1 10 22.61

20 22.61

30 22.61

40 22.61

50 22.61

powder wt: 0.5970g wire wt: 0.0169g pellet + wire wt: 0.6031g residue wt: 0.0070g

time

Tmin 300 350 400 450 500 600

60 22.61

80 22.62

90 22.62

Min 0.00002580x + 22.61456037 Max 0.00004220x + 24.88996484

Tmax 22.62 22.62 22.62 22.63 22.63 22.63

70 22.62

delta T 24.9 2.28 24.9 2.28 24.91 2.28 24.91 2.28 24.91 2.28 24.92 2.29

100 22.62

delta E wire -0.06

Tcorr delta Tcorr delta E comb, biphenil Max 2.28 -23.88 24.91 Min 22.62 24

Temperature vs Time Trial 1 Biphenyl 25

Temperature (C)

24.5 24 23.5 23

Row 5

22.5 22 21.5 21 0

100

200

300

400

500

time (s)

600

700

800

900

110 22.62

delta E wire

130 22.62

140 22.62

150 22.62

160 22.62

170 22.62

180 22.62

190 22.62

200 22.62

22.90 22.85 22.80

mb, biphenil

0

120 22.62

RT(∆n) -0.02 ∆H -23.9

22.75 22.70

Row 5

22.65

Linear regression,

22.60 22.55 22.50 22.45 22.40 100

Row 5

125

150

175

200

225

250

275

210 22.62

Row 5 Linear regression,

220 22.62

230 22.62

240 22.62

250 22.62

260 22.62

270 22.62

280 22.62

290 22.62

300 22.62

310 22.62

320 22.62

330 22.62

340 22.64

350 22.98

360 23.15

370 23.4

380 23.69

390 24.01

400 24.16

410 24.27

420 24.37

430 24.48

440 24.54

450 24.61

460 24.66

470 24.7

480 24.76

490 24.77

500 24.79

510 24.82

520 24.82

530 24.86

540 24.86

550 24.87

560 0

570 24.88

580 24.89

590 24.9

600 24.9

24.92 24.92 24.92 24.92 24.92 24.92 24.92 24.92 24.92 625

650

675

700

725

750

775

610 24.91

620 24.91

Row 5 Linear regression,

725

750

775

630 24.91

640 24.92

650 24.92

660 24.92

670 24.92

680 24.92

690 24.92

700 24.92

710 24.92

720 24.92

730 24.92

740 24.92

750 24.92

760 24.92

770 24.92

780 24.92

790 24.92

800 24.92

810 24.92

820 24.92

830 24.92

840 24.92

850 24.92

860 24.92

870 24.92

880 24.92

890 24.92

Biphenyl Trial 2 10 22.11

20 22.15

30 22.21

40 22.22

50 22.24

powder wt: 0.6029g wire wt: 0.0158g pellet + wire: 0.6106g residue wt: 0.0155g

time

Tmin 300 350 400 450 500 600

Tmax delta T 22.3 24.57 2.27 22.31 24.58 2.28 22.31 24.59 2.28 22.32 24.6 2.28 22.33 24.61 2.28 22.34 24.63 2.29

60 22.24

70 22.25

80 22.26

Min 0.00013309x + 22.26173529 Max 0.00018857x + 24.51740000 Tcorr Max

90 22.26

100 22.27

delta E Wire 0

delta Tcorr E total biphenyl 2.28 -23.91 24.6

Min 22.32 23.71 295.01

110 22.27

120 22.28

130 22.28

140 22.28

150 22.28

160 22.28

170 22.29

180 22.29

190 22.29

200 22.29

22.32 Biphenyl Temperature vs. Time Trial

RT∆n -0.02 ∆H -23.93

Temp (C)

delta E Wire

25

22.3

24.5

22.29

24

22.29 22.29

23.5

22.29

23

Row 5

22.28

22.5

22.28

22

22.28

21.5 21 0

100

200

300

400

22.28 100 500 600

time (s)

125 700

150 800

175 200 900

225

150 800

210 22.29

220 22.29

230 22.29

240 22.29

Row 5 Linear regression,

Row 5

175 200 900

225

250

275

250 22.3

260 22.3

270 22.3

280 22.3

290 22.3

300 22.3

310 22.3

320 22.3

330 22.3

340 22.3

350 22.3

360 22.31

370 22.66

380 22.77

390 23.02

400 23.36

410 23.49

420 23.73

430 23.85

440 23.98

450 24.02

460 24.17

470 24.23

480 24.27

490 24.32

500 24.42

510 24.46

520 24.49

530 24.52

540 24.53

550 24.54

560 24.56

570 24.57

580 24.58

590 24.61

600 24.61

610 24.62

620 24.62

630 24.63

640 24.64

650 24.64

660 24.64

670 24.64

24.66 24.66 24.66 24.65 24.65 24.65 24.65 24.64 24.64 24.64 24.64 24.63 24.63 625

680 24.65

650

690 24.65

675

700

700 24.65

725

750

7

700

710 24.65

720 24.65

730 24.66

Row 5 Linear regression,

725

750

775

740 24.66

750 24.66

760 24.66

770 24.66

780 24.66

790 24.66

800 24.66

810 24.66

820 24.66

830 24.66

840 24.66

850

860

870

880

890

Biphenyl Trial 3 10 22.45

20 22.47

30 22.5

40 22.52

50 22.52

Powder wt: 0.5966g wire wt: 0.0154g pellet+wire wt: 0.5979g residue wt: 0.0155g

time

Tmin 300 350 400 450 500 600

Tmax delta T 22.56 24.81 2.26 22.56 24.82 2.26 22.56 24.83 2.27 22.56 24.84 2.27 22.57 24.84 2.28 22.57 24.86 2.29

60 22.53

70 22.53

80 22.54

Min 0.00004070x + 22.54509825 Max 0.00015429x + 24.76718095

90 22.54

100 22.54

E wire

Tcorr delta Tcorr E total biphenyl Max 2.27 -23.77 24.83 Min 22.56 23.94

0

110 22.55

120 22.55

130 22.55

140 22.55

150 22.55

160 22.55

170 22.55

180 22.55

190 22.55

200 22.55

22.56 22.56 22.56 22.55

RT∆n -0.02

22.55

∆H

Temp (C)

-23.79

Temperature vs. Time Trial 3 Biphenyl 22.55

25 24.75 24.5 24.25 24 23.75 23.5 23.25 23 22.75 22.5 22.25

22.55 22.55 22.55 22.55 125

0

100

200

300

400

500

time (s)

150

600

175

700

200

800

225

250

900

275 300 Row 5

3

225

210 22.55

220 22.55

230 22.56

Row 5 Linear regression,

250

900

275 300 Row 5

325

240 22.56

250 22.56

260 22.56

270 22.56

280 22.56

290 22.56

300 22.56

310 22.56

320 22.56

330 22.7

340 22.9

350 23.22

360 23.54

370 23.72

380 23.97

390 24.06

400 24.33

410 24.35

420 24.44

430 24.51

440 24.55

450 24.62

460 24.67

470 24.7

480 24.72

490 24.74

500 24.76

510 24.79

520 24.8

530 24.81

540 24.82

550 24.83

560 24.84

570 24.84

580 24.85

590 24.86

600 24.86

610 24.86

620 24.86

630 24.87

640 24.87

650 24.87

660 24.87

670 24.87

680 24.87

24.88 24.87 24.87 24.87 24.87

Row 5

24.86

Linear regression,

24.86 24.86 24.86 24.85 24.85 575

600

625

650

675

700

725

690 24.87

700 24.87

710 24.88

720 24.87

730 24.87

740 24.87

750 24.87

760 24.87

770 24.87

780 24.87

790 24.87

800 24.87

810 24.87

820 24.87

830

840

850

860

870

880

890

Benzoic Acid Trial 2 10 22.48

20 22.48

30 22.49

40 22.49

50 22.49

wire wt: 0.0144g wire+pellet wt: 0.9777g residue wt: 0.0153g

60 22.5

70 22.5

80 22.5

90 22.51

100 22.51

∆E{Comb, Benzoic acid} = − 26.433 kJ/g ∆E{Comb, Fe} = − 5.86 kJ/g

Max 0.0002262x + 24.8629407 Min 0.00005474x + 22.50468942

Temperature vs. Time Trial 1 Acid 25.5 25

Temp(C)

24.5 24 Row 5

23.5 23 22.5 22 0

100

200

300

400

500

time (s)

600

700

800

900

110 22.51

120 22.51

130 22.51

140 22.51

150 22.51

160 22.51

170 22.52

180 22.52

190 22.52

200 22.52

∆E total -25.46 Time 300 350 400 450 500 600

Row 5

900

Tmax Tmin delta T 24.93 22.52 2.41 24.94 22.52 2.42 24.95 22.53 2.43 24.96 22.53 2.44 24.98 22.53 2.44 25 22.54 2.46

Tcorr delta Tcorr CV!!!!!! Max 2.43 10.5 24.95 Min 22.53 24.01

210 22.52

220 22.52

230 22.52

240 22.52

250 22.52

260 22.52

270 22.52

280 22.52

290 22.52

300 22.52

310 22.52

320 22.52

330 22.52

340 22.54

350 22.61

360 23.03

370 23.37

380 23.71

390 23.87

400 24.12

410 24.19

420 24.36

430 24.47

440 24.55

450 24.62

460 24.69

470 24.74

480 24.79

490 24.83

500 24.86

510 24.86

520 24.91

530 24.93

540 24.95

550 24.96

560 24.96

570 24.97

580 24.99

590 24.99

600 25

23 22.95 22.9 22.85 22.8

Row 5

22.75

Linear regression,

22.7 22.65 22.6 22.55 22.5 100

150

200

250

300

350

Row 5

Linear regression,

610 25

620 25.01

630 25.01

25.2 25.15 25.1 25.05 25 24.95 24.9 24.85 24.8 24.75 24.7 24.65 24.6 575

640 25.01

650 25.01

660 25.02

670 25.02

680 25.02

690 25.02

Row 5 Linear regression,

600

625

650

675

700

725

700 25.02

710 25.02

720 25.02

730 25.02

740 25.02

750 25.02

760 25.02

770 25.02

780 25.02

790 25.02

800 25.02

810 25.02

820 25.02

830 25.02

840 25.02

850

860

870

880

890

Benzoic Acid Trial 3 20 22.27

30 22.3

40 22.32

50 22.33

60 22.33

70 22.34

80 22.35

90 22.35

100 22.36

wire wt: 0.0159g wire + pellet: 0.9721g residue wt: 0.0097g ∆E{Comb, Benzoic acid} = − 26.433 kJ/g ∆E{Comb, Fe} = − 5.86 kJ/g Max 0.00022786x + 24.70748095 Min 0.00007429x + 22.35779048

Temperature vs Time Trial 2

Temp (C)

10 22.22

25 24.75 24.5 24.25 24 23.75 23.5 23.25 23 22.75 22.5 22.25 22

Row 5

0

100

200

300

400

500

time (s)

600

700

800

900

110 22.36

120 22.36

130 22.36

140 22.37

150 22.37

160 22.37

170 22.37

180 22.37

190 22.37

200 22.37

∆E total -25.31

Time 300 350 400 450 500 600

Row 5

800

900

Tmax Tmin delta T 24.78 22.38 2.4 24.79 22.38 2.4 24.8 22.39 2.41 24.81 22.39 2.42 24.82 22.39 2.43 24.84 22.4 2.44 23.87

Tcorr Max

delta Tcorr CV!!!!! 2.41 10.5 24.8

Min 22.39

210 22.37

220 22.38

230 22.38

240 22.38

250 22.38

260 22.38

270 22.38

280 22.38

290 22.38

300 22.38

22.39 22.39 22.38 22.38 22.37 22.37 22.36 22.36 22.35 150

175

200

225

250

310 22.38

320 22.38

330 22.38

340 22.43

Row 5 Linear regression,

200

225

250

275

300

350 22.61

360 22.92

370 23.3

380 23.71

390 23.77

400 23.91

410 24.1

420 24.22

430 24.39

440 24.43

450 24.49

460 24.53

470 24.6

480 0

490 24.68

500 24.7

510 24.73

520 24.76

530 24.78

540 24.79

550 24.81

560 24.81

570 24.82

580 24.83

590 24.84

600 24.84

610 24.84

620 24.85

630 24.85

24.9 24.88 24.85 24.83 24.8 24.78 24.75 24.73 24.7 24.68 24.65 24.63 24.6 575

640 24.86

650 24.86

660 24.86

670 24.87

680 24.87

690 24.87

Row 5 Linear regression,

600

625

650

675

700

725

750

700 24.87

710 24.87

720 24.87

730 24.87

740 24.87

750 24.87

760 24.87

770 24.87

780 24.87

790 24.87

800 24.87

810 24.87

820 24.87

830 24.87

840 24.87

850 24.87

Benzoic Acid Trial 4 20 22.45

30 22.46

40 22.5

50 22.51

60 22.52

70 22.53

80 22.53

90 22.54

100 22.54

wire wt: 0.0163g wire + pellet wt: 0.9885g residue wt: 0.0134g ∆E{Comb, Benzoic acid} = − 26.433 kJ/g ∆E{Comb, Fe} = − 5.86 kJ/g Max 0.00019604*x + 24.95234505 Min

Temperature vs. Time

Temp (C)

10 22.44

25.25 25 24.75 24.5 24.25 24 23.75 23.5 23.25 23 22.75 22.5 22.25

Row 5

0

100

200

300

400

500

time (s)

600

700

800

900

110 22.55

120 22.55

130 22.55

140 22.55

150 22.56

160 22.56

170 22.56

180 22.56

190 22.56

∆E total -25.72

time 300 350 400 450 500 600

Row 5

900

Tmax Tmin delta T 25.01 22.57 2.44 25.02 22.57 2.45 25.03 22.57 2.46 25.04 22.58 2.46 25.05 22.58 2.47 25.07 22.59 2.48

Tcorr Delta Tcorr CV!!!! Max 2.4546 10.48 25.03 Min 22.57 24.08

200 22.56

210 22.56

220 22.56

230 22.56

240 22.56

250 22.57

260 22.57

270 22.57

22.6 22.55 22.5 Row 5 22.45

Linear regression,

22.4 22.35 22.3 150

175

200

225

250

275

300

325

280 22.57

290 22.57

300 22.57

310 22.57

320 22.57

330 22.61

340 22.78

350 23.09

360 23.39

370 23.54

380 23.89

390 24.08

400 24.27

410 24.41

420 24.57

430 24.6

440 24.69

450 24.73

460 24.79

470 24.83

480 24.86

490 24.91

500 24.94

510 24.95

520 24.98

530 25

540 25.01

550 25.03

560 25.04

570 25.05

580 25.05

590 25.06

600 25.07

610 25.07

620 25.07

630 25.08

640 25.08

650 25.09

660 25.09

670 25.09

680 25.09

690 25.09

700 25.09

25.5 25.45 25.4 25.35 25.3

Row 5

25.25

Linear regression,

25.2 25.15 25.1 25.05 25 600

625

650

675

700

725

750

710 25.09

Row 5 Linear regression,

720 25.09

730 25.09

740 25.09

750 25.09

760 25.09

770 25.09

780 25.09

790 25.09

800 25.09

810 25.09

820 25.09

830 25.09

840 25.09

Table 1 Cv avg StD 10.49

0.01

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