Ethanol Essays

  • Ethanol From Sucrose

    485 Words  | 2 Pages

    Purpose The purpose of this experiment was to make ethanol from sucrose through a fermentation reaction. Procedure Refer to handout, “Lab 12: Ethanol from Sucrose” Results Table 1: Mass, Volume, Density, Concentration and Percent Yield of Pure Ethanol Vial Mass of ethanol (g) Volume of ethanol (mL) Density (g/mol) Concentration Percent yield of pure alcohol 1 .344 g .4 mL .86 g/mol 72.5% 2 .429 g .43 mL .99 g/mol 5% 3 .347 g .36 mL .96 g/mol 22.5% 32.3% Discussion The weight of

  • BIT Vs Commercial Ethanol

    829 Words  | 4 Pages

    pre-treatment, different tests we’re conducted in terms of physical and chemical properties in relation to the commercial ethanol. For the physical properties of BIT and commercial ethanol, the ethanol showed different measurements in physical properties of BIT and commercial ethanol such as the density, smoke emission, and heat. Based on the given data, BIT and commercial ethanol are close to each other in terms of density and smoke emission. It can be assumed that there is no significant difference

  • Corn Ethanol: Production Process

    831 Words  | 4 Pages

    Introduction Corn ethanol is made from corn which is utilized as biomass. The methods of making corn ethanol involve ethanol fermentation and distillation. Corn ethanol is primarily used as an oxygenate in gasoline to produce a low-level blend. To a lesser degree, it is used as fuel for E85 flex-fuel vehicles. This research paper will describe the process of producing corn ethanol. Production Process There are two primary kinds of corn ethanol generation: dry processing and wet processing. Each

  • Ethanol Ablation Informative Speech

    775 Words  | 4 Pages

    unfamiliar. The treatment, known as ethanol ablation, uses ethanol – a type of alcohol – to destroy crucial proteins and fatally empties the cancer cell. To help you better understand this, imagine tearing through a water balloon and draining it of water; well, that is akin to how ethanol destroys cancer cells. Today, ethanol ablation is used to treat liver cancer, and its 5-year survival rate is remarkably comparable to that of removal surgery. What makes ethanol ablation especially appealing is its

  • Pros And Cons Of Ethanol

    1968 Words  | 8 Pages

    clean-burning and low sulfur fuels, such as ethanol. Throughout the early 2000’s, ethanol became adopted into the fuel market; however there was controversy with the newly adopted fuel (EPA 1). Though ethanol is a controversial subject, fuels blended with ethanol are superior compared to pure gasoline. Specifically, ethanol is an alcohol derived from a grain source, such as corn or sugar cane. Because the U.S. has a plentiful corn supply, the majority of the ethanol distributed in the United States originates

  • Enthalpy Changes Of Combustion Of Ethanol And Butanol Lab Report

    740 Words  | 3 Pages

    Nora Azmani IB3G Chemistry HL Dr. Petersen Date of submission: 01/12/2014 Comparing the Enthalpy Changes of Combustion of Ethanol (CH3CH2OH) and Butanol(CH3CH2CH2CH2OH) in order to determine which one of them that is the more efficient as a fuel. Objective The purpose of this lab is to determine the fuel efficiency of the two alcohols Ethanol and Butanol, by comparing their respective enthalpy changes. The most efficient fuel will be the one with the highest enthalpy change of combustion. The

  • The Pros And Cons Of Corn Ethanol Fuel

    1886 Words  | 8 Pages

    this situation, continually relying on foreign countries will only weaken this country. Corn ethanol fuel is an idea and a thought which the government thinks of to solve this situation. According to the Hahn and Cecot’s research, the production of corn ethanol is expected to increase by a large amount due to all the new energy policies that the government sets (Hahn and Cecot 275-276). The rise of the ethanol production will help the U.S. government reduces the risks that could possibly cause by the

  • Ethanol Vs Corn

    269 Words  | 2 Pages

    Most gasoline has 10-15% alcohol produced from corn. As a result, some say, the price of food has risen, causing hardship, increased food prices, and other problems. What are the real facts? Gasoline has ethanol inside, ethanol comes from corn. Corn is the main source of ethanol, many people spend 50% or more of their income on food. Which causes the price of food to increase, but if prices increase it will cause people with low incomes to starve because they would not be able to afford food for

  • Semicarbazide Hydrochloride Synthesis Essay

    809 Words  | 4 Pages

    (1) (0.1M) was dissolved in aldehyde free alcohol. This ethanolic aromatic aldehyde solution was added slowly to the solution of semicarbazide hydrochloride. The precipitate, which gets separated, was filtered, dried and recrystallised from 95% hot ethanol. Table 1: Quantity of aldehydes taken S. No. Aldehydes Molecular weight Quantity taken

  • The Pros And Cons Of Ethanol Fuel

    359 Words  | 2 Pages

    The article states that ethanol fuel which produce by plants, has been supplanted by some of people as replacement to gasoline in the United States and provides three reasons of support. However, the professor explains that ethanol fuel is a good alternative fuel instead of gasoline gas and refutes each of the author’s reasons. First of all, the author of the reading passage claims that ethanol fuel does not help to solve the major problem of environment such as global warming that release carbon

  • Distillation Lab Report

    1300 Words  | 6 Pages

    Abstract — This experiment was conducted to familiarize the students with the procedures regarding distillation—to be more precise, the separation of ethanol from an alcoholic beverage—using a distillation set-up consisting of boiling chips, a Bunsen burner, a condenser, a thermometer and several other materials. In the end, it was discovered that one may actually separate a homogeneous mixture, given that the components of said mixture differ in volatility and that they utilize a complete distillation

  • Synthesis Of 3-Nitrochalcone Lab Report

    391 Words  | 2 Pages

    The objective of this experiment was to use an aldol condensation reaction to synthesize 3-nitrochalcone from 3- nitrobenzaldehyde. This was accomplished with a Diels-Alder reaction that utilized 3-nitrobenzaldehyde, acetophenone, ethanol, and sodium hydroxide. The mechanism for the synthesis of 3-nitrochalcone is presented in Figures 1 and 2. The alpha carbon on the acetophenone is deprotonated. This is followed by the attack of the alpha carbon anion on the carbonyl carbon on the 3-nitrobenzaldehyde

  • Recrystallization Of Acetanilide Essay

    920 Words  | 4 Pages

    Introduction The purpose of this experiment was to purify acetanilide that was contaminated with relatively small amounts of impurities using recrystallization. The success of recrystallization was dependent on a suitable solvent being chosen and proper recrystallization technique being carried out. The solvent chosen had to have a different polarity than that of the molecule of interest. The technique used was dependent on the solubility of the solvent at higher temperature and the

  • Trigonometry Lab Report

    2061 Words  | 9 Pages

    drinking water and chloroform followed by dissolution and crystallization to form Crude Levofloxacin. • Crude Levofloxacin is decolorized by ethanol and charcoal which is then recrystallized and centrifuged to form Levofloxacin (Intermediate). Stage III: Preparation of Levofloxacin Levofloxacin (Intermediate) undergoes dissolution and decoloration in presence of ethanol and charcoal followed by recrystallization and centrifugation to form Levofloxacin. Stage IV: Drying and Packaging The final product is

  • Gas Chromatography In Alcoholic Beverages Lab Report

    967 Words  | 4 Pages

    DETERMINATION OF PERCENTAGE ETHANOL IN BEVERAGES 1. Introduction to Gas Chromatography Gas chromatography is a very powerful separation technique for compounds that are reasonably volatile. The components of a sample partitions into two phases, the 1st of these phases is a immobile bed with a great surface area, and the other is a gas phase that permeates through the immobile bed. The sample is evaporated and passed by the mobile gas phase or the carrier gas through the column. Samples separates

  • Ph Affect The Fermentation Of Yeast

    985 Words  | 4 Pages

    Introduction - Research Question: How does the change in pH affect the fermentation of yeast and its effect on the product ethanol? Yeast: Yeast are unicellular microscopic organisms that are able to by budding and are used to convert sugars into alcohol and carbon dioxide. It is a member of the kingdom of fungi where currently there are over 1500 different species and strains of yeast. Yeast can be found almost anywhere, whether it is animals plants or soil. The cellular structure of yeast is

  • Standard Gallic Acid Test Lab Report

    1875 Words  | 8 Pages

    extraction solvents is very important as it has important role in the determination of the amount and the type of phenolic compounds that will be extracted. Aqueous alcohols particularly acetone, ethanol and methanol are usually preferred for the extraction of the phenolic compounds from

  • Phosphoric Acid And Acetylsalicylic Acid Lab Report

    2007 Words  | 9 Pages

    V. Results and Discussion One of the objectives of this exercise is to synthesize acetylsalicylic acid (aspirin) from salicylic acid. The mechanism for this synthesis is through nucleophilic acyl substitution. Acetic anhydride was the acetylation reagent used with the salicylic acid. The mechanisms and the reaction involved in the synthesis are seen in the following figure. 1.00 gram of fine white salicylic acid powder was weighed in a clean, dry 125mL Erlenmeyer flask. 3mL of strong smelling

  • Recrystallisation Of Aspirin Lab Report

    1772 Words  | 8 Pages

    Experiment 4: Formal Report Preparation and Recrystallisation of Aspirin Aim of the experiment: In this experiment, a pure sample of aspirin is to be obtained through esterification to synthesise the sample, then purify the sample by recrystallisation. Lastly, determine the melting point of the sample to characterise the aspirin. Introduction: Background Aspirin (acetylsalicylic acid) is an aromatic compound that contains an ester- functional group and a carboxylic acid- functional group. Aspirin

  • Inula Racemosa Lab Report

    566 Words  | 3 Pages

    extracted three times under the following conditions: the ratio of material to solvent was 10:1, undergoing ultrasonic treatment 30 minutes at 25 °C, 100 kHz /450 W.31 Before large extraction, a small-scale extraction experiments were carried out: 95% ethanol and ethyl acetate as the extractive solutions was investigated, respectively. The extraction efficiency was evaluated according to the percent content of AL and IS contained in the dried roots of Inula racemosa and calculated