Heat of Mixing: Ethanol and Water Abstract The temperature change when known amounts of water and ethanol were mixed was determined to see the enthalpy change in an isothermal and isobaric environment. Agreeable data was found compared to similar experiments. As the mole fraction increased of the solution so did the enthalpy until a certain limit of about 0.32. Since water’s structure and unique properties affect many aspects of a solution‚ the solutions enthalpy’s decreased at a certain time
Premium Thermodynamics Entropy Energy
Balance (Non-reacting Systems) THR/WRU 1. A 40-mol-% aqueous ethanol solution is to be distilled into two streams: a distillate with 98% ethanol and a side stream with 60%. 98% of the alcohol in the feed is to be recovered in these two products; only 2% goes into the bottoms. If the bottoms product contains 2% ethanol‚ calculate the amount of the different streams per 1000 kmol of feed stream. Given: Recovery = 98% of ethanol in feed to distillate and side stream Feed‚ F xF = 0.40 Side
Premium Ethanol Water Petroleum
Anatomy and Physiology‚ Windham High School Case Study: The Hot Tub Mystery! Text taken and questions adapted from the following case study: House‚ Herbert. The Hot Tub Mystery: The Story of a Very HOT Tub. Buffalo: National Center for Case Study Teaching in Science‚ 2005. PDF file. Part I—The Discovery Cast of Characters: • Sam Garrison—Detective • Roma and Clint Underhill—The “hot” couple • Kavita Dickson and Larry Gonzales—EMT paramedics • Renee Volenbach—Physiologist in the Biology
Premium Ethanol Alcohol Blood alcohol content
1) is that it is the simplest alcohol with a chain of one carbon atom with three hydrogen atoms attached. The characteristics of this simple alcohol are that it is a light‚ volatile‚ and flammable liquid with a unique odor very similar to ethanol. Unlike ethanol‚ methanol is a highly toxic chemical and should be used cautiously because it causes negative reactions when exposed to other reagents such as lead. Methanol
Premium Petroleum Internal combustion engine Carbon dioxide
The Effect of Ethanol on the Viability of Artemia salina as Environmental Indicators Biology 151 Laboratory ABSTRACT Artemia salina are used as environmental indicator species. They are used to test changes in their environment. A. salina is sensitive to toxins‚ temperature‚ and drugs. For the experiment‚ cysts were put into different amounts of ethanol alcohol and their viability was measured. The hypothesis used was if there is more ethanol alcohol‚ then the viability
Premium Crustacean Ethanol Arthropod
Lab Protocol #8 - Dehydration of 3‚3-dimethyl-2-butanol KEYWORDS: alkenes‚ E2‚ E1‚ carbocation stability‚ elimination A. Introduction. The dehydration of alcohols is an ELIMINATION reaction that is commonly used to form alkene molecules. The mechanism for the dehydration of alcohols consists of transforming the –OH functional group into a better leaving group by using a strong acid to protonate the alcohol. After –OH has been transformed into –OH2+‚ it becomes easier to break the σ-bond between the
Premium Distillation Organic reaction Alcohol
“Kinetics of Ethanol Oxidation” laboratory experiment utilized Beer’s law and spectroscopy to monitor concentration and the rate of ethanol oxidation through the LoggerPro System. This data then helped determine the kinetic rate constant‚ k‚ and the order of the reaction. First‚ the wavelength of maximum absorbance was determined using the LoggerPro interface and a Vernier colorimeter. Beer’s law was then used to determine the molar absorptivity. Finally‚ a kinetic study of ethanol oxidation was
Premium Ethanol Chemical reaction Alcohol
This lab will allows the comparison between elimination reactions under acidic and basic conditions through an analysis of two separate reactions: an acid-catalyzed dehydration of 1-butanol and 2-butanol using sulfuric acid and a dehydrobromination under basic conditions using potassium tert-butoxide of 1-bromobutane and 2-bromobutane. The products of all four reactions will be analyzed with gas chromatography‚ which separates organic compounds to see how each reaction’s product are formed under
Premium Chemistry Chemical reaction Acetic acid
Cool to room temperature (preferably overnight). Filter off osazone. Press and drain it. Wash with a cold mixture of 10 mL each of water and ethanol. No need to dry the product for the next step. B. Synthesis of D-Arabino-Hexulose Phenylosotriazole Set up: 250 mL quick-fit round bottom flask on a steam bath. Reflux the crude osazone with 35 mL ethanol. Add hot solution of 7g CuSO45H2O in 35 mL water after 30 minutes. Continue heating on the steam bath for another 30 minutes. Filter boiling
Premium Ethanol Water Distillation
and the listening have a conflict of opinions about ethanol fuel. The writer believes that ethanol fuel is not a suitable alternative for gasoline‚ while the lecturer claims that passage state is not convincing and disputes those ideas presented in the passage with several proofs. First of all‚ the author asserts that the ethanol fuel would not assist to fix global warming problem. Conversely‚ the lecturer brings up the idea that augmented of ethanol fuel does not adversely affect the environment. In
Premium Petroleum Marketing Supply and demand