observations

Optimizing Ethanol's Heat Production

Table of Contents

Team information and abstract

Source of Error

Applications of Experiment

Further Research

Acknowledgements

Observations:

Table 1.1: Ethanol + water:

Concentration:	Burn time	Temp 30s	Temp 60s	Temp 90s	Temp 120s	Temp 150s	Temp 180s	Temp 210s	Temp 240s	Temp 270s	Temp 300	Final Temp
100% ethanol	4m:20s	19	23	32	44	55	66	76	86			91
95% ethanol	4m:35s	19	25	32	43	51	60	70	78	86		88
90% ethanol	5m:10s	19	22	29	37	48	57	65	71	77	82	84
85% ethanol	5m:22s	19	21	28	36	45	51	59	65	70	76	80
80% ethanol	5m:14s	19	22	27	37	41	49	56	63	68	73	76
75% ethanol	4m:45s	19	24	29	36	42	47	54	60	65		69

Table 1.2: Ethanol + Hydrogen Peroxide:

Concentration:	Burn time	Temp 30s	Temp 60s	Temp 90s	Temp 120s	Temp 150s	Temp 180s	Temp 210s	Temp 240s	Temp 270s	Temp 300	Final Temp
100% ethanol	4m:20s	19	23	32	44	55	66	76	86			91
95% ethanol	4m:23	19	25	35	46	56	65	73	82			89
90% ethanol	4m:47s	19	22	30	39	48	55	63	70	74		79
85% ethanol	5m:09s	19	23	28	35	43	50	57	63	70	74	76
80% ethanol	5m:04s	19	23	28	36	44	51	58	64	70	76	79
75% ethanol	5m:03s	20	24	30	38	46	53	59	64	70	74	77

Table 1.3: Heat produced per mole of ethanol mixed with water:

Concentration:	Burn time	Heat 30s	Heat 60s	Heat 90s	Heat 120s	Heat 150s	Heat 180s	Heat 210s	Heat 240s	Heat 270s	Heat 300	Final Heat
100% ethanol	4m:20s	243	1215	3402	6319	8992	11665	14095	16526			17741
95% ethanol	4m:23	256	1795	3590	6411	8463	10771	13335	15387	17438		17951
90% ethanol	4m:47s	270	1080	2969	5128	8097	10526	12685	14305	15924	17274	17813
85% ethanol	5m:09s	286	857	2858	5144	7716	9431	11717	13431	14860	16575	17718
80% ethanol	5m:04s	304	1215	2733	5769	6984	9413	11538	13664	15182	16700	17611
75% ethanol	5m:03s	324	1943	3563	5830	7773	9393	11660	13603	15222		16518

Table 1.4: Heat produced per mole of ethanol mixed with hydrogen peroxide:

Concentration:	Burn time	Heat 30s	Heat 60s	Heat 90s	Heat 120s	Heat 150s	Heat 180s	Heat 210s	Heat 240s	Heat 270s	Heat 300	Final Heat
100% ethanol	4m:20s	243	1215	3402	6319	8992	11665	14095	16526			17741
95% ethanol	4m:23	256	1795	4360	7180	9745	12053	14104	16412			18207
90% ethanol	4m:47s	270	1080	3239	5668	8097	9986	12145	14035	15114		16464
85% ethanol	5m:09s	286	1429	2858	4858	7144	9145	11145	12860	14860	16003	16575
80% ethanol	5m:04s	304	1518	3036	5465	7895	10020	12145	13967	15789	17611	18522
75% ethanol	5m:03s	648	1943	3887	6478	9069	11336	13279	14898	16842	18137	19109

Table 2.1 Ethanol + Hydrogen Peroxide/Ethanol + Water

Concentration (10mL)	Burn Time (s)	Temp of water in beaker	Temp of surrounding water
100% ethanol	4min35.0	83	66
90% e 10% H₂O₂	5min02.7	81	65
90% e 10% H₂O	4min43.4	78	65
80% e 20% H₂O₂	4min41.5	80	65
80% e 20% H₂O	4min46.8	75	62
70% e 30% H₂O₂	4min08.3	74	60
70% e 30% H₂O	4min28.6	73	61
60% e 40% H₂O₂	3min42.4	64	61
60% e 40% H₂O	3min52.9	66	58
50% e 50% H₂O₂	3min16.1	57	55
50% e 50% H₂O	3min34.8	53	55