Essays Tagged: "Ethanol"

Gram Staining to Distinguish Between Different Types of Bacteria

paratus( Stain: : Crystal Violet solution (0.5% aqueous)( Mordant : Iodine solution( Decolouriser : Ethanol 95%( Counterstain : Safranin solution (1% aqueous)( Culture of Bacillus Subtilis( Culture of ... issues( MicroscopeMethod(1) Take a microscope slide and using a dropper place two or three drops of ethanol on the slide. Using a clean tissue wipe the slide. Replace the dropper in its dropping bottl ...

(2 pages) 50 0 5.0 Jan/1995

Subjects: Science Essays > Biology

The following is a lab report on fermentation and its inhibitors.

ermentation is better inhibited using microbial inhibitors such as clove,than the natural inhibitor ethanol.INTRODUCTIONMicroorganisms are capable of an amazing array of different types of fermentatio ... oducts depend upon thesubstrate but can include organic acids (lactic acid, acetic acid), alcohols (ethanol,methanol, butanol), ketones (acetone) and gases (H2 and CO2).Fermentation is defined as an e ...

(4 pages) 100 0 5.0 Nov/2003

Subjects: Science Essays > Biology

Contents of different liquors

r of the MaltINTRODUCTION:All spirits have a given percentage of the primary ingredients, water and ethanol. The differences between cheap and expensive liquors, therefore, arise in the unique flavors ... ilent experiment, as well as nine standard compounds. The nine organic compounds we chose included: ethanol, methanol, 1-propanol, iso-butanol, ethyl acetate, acetic acid, 1-pentanol(n-amyl alcohol), ...

(4 pages) 48 0 3.7 Dec/2003

Subjects: Science Essays > Chemistry

The effect of the halogen atom on the rate of hydrolysis

nitrate.Method. Three test tubes will be placed in a test tube holder. Into each test tube 1 cm" of ethanol will be added. The test tubes will be numbered 1 to 3 and the same molar mass of 1-chlorobut ...

(2 pages) 26 0 4.0 Mar/2004

Subjects: Science Essays > Chemistry

Informative speech outline for communication's class. This is about the dangers of alcohol.

term denoting a family of organic chemicals with common properties. Members of this family include ethanol, methanol, isopropanol, and others. This introduction discusses the physical, chemical, and ... iscusses the physical, chemical, and physiological aspects of the most commonly ingested of these - ethanol. I will give a speech to explain what alcohol can do to you and those around you, both physi ...

(2 pages) 442 1 4.6 Apr/2004

Subjects: Humanities Essays > Linguistics

Investigate the amount of energy released when different fuels burn

stigation I will be burning alcohol's to heat up a can of water. I will be burning four alcohol's, methanol, ethanol, propanol and butanol. The aim is to find out how much energy is produced when burn ... · The type of alcohol used.The formulae of the alcohols that I will be using are...· Methanol C H OH· Ethanol C H OH· Propanol C H OH· Butanol C H OHPredictionI pred ...

(5 pages) 35 0 0.0 May/2004

Subjects: Science Essays > Chemistry

Strong drink is a greater menace to man kind than drugs? do you agree?

Alcohol consists of one substance only, ethanol. Dagga contains 400 different chemicals, 60 of these have been proven to cause cancer. Alcoh ...

(2 pages) 39 1 4.3 May/2004

Subjects: Humanities Essays > Health & Medicine

Fuels for the Future

d's dependence on petroleum and this has consequently driven the shift to alternative fuels such as ethanol, methanol, electricity, liquefied petroleum gas (LPG), bio-diesel, hydrogen, compressed natu ... cit, create jobs, and promote economic activity. This article will focus on two alternatives fuels, ethanol and compressed natural gas.EthanolThe liquid ethanol or ethyl alcohol can be used as a fuel ...

(6 pages) 231 0 1.0 Jun/2004

Subjects: Science Essays > Chemistry

Fossil Fuels Alternatives

ed to innovations such as: solar, wind, hydro-electrical, nuclear, hydrogen, coal, natural gas, and ethanol. All of these are noble attempts at concocting an alternative to oil, but all fall short at ... effective replacement for our beloved oil.A suggested hope for the energy-demanding future is also ethanol. Ethanol is a plant-derived fuel, which typically comes from corn. This fuel is tremendously ...

(8 pages) 257 0 4.6 Jul/2004

Subjects: Science Essays > Environmental Science


EthanolAn Overview of EthanolEthanol, (CH CH OH), is a clear, colourless liquid with a characteristi ... Overview of EthanolEthanol, (CH CH OH), is a clear, colourless liquid with a characteristic odour. Ethanol is an alcohol. In a dilute aqueous solution, it has a sweet flavour, but in more concentrate ... s later applied the term to the refined products of distillation, and this led to its current usage.Ethanol melts at -114°C, boils at 78.5°C, and has a density of 0.789 g/mL at 20°C. Becau ...

(9 pages) 152 0 4.3 Aug/2004

Subjects: Science Essays > Chemistry

Organic chemistry - ethanol

All alcohols' consist of a hydrocarbon named 'ethanol', now ethanol is a strand made up of two carbons five hydrogen's and one OH group (hydroxol) ... y different types of sugars some include:Starches:Cellulose:All three of these compounds added with ethanol can create a wide range of alcohols, anything from beer (left) to wine (right).So with any c ... eaner/burning fuel but it is most prominent for being a popular drink at home or anywhere.ProductionEthanol can be produced synthetically from ethylene (hydration) or through alcoholic fermentation of ...

(1 pages) 47 0 4.0 Sep/2004

Subjects: Science Essays > Chemistry

The Effects of Alcohol

order to understand how alcohol is broken down in our body, we need to understand what alcohol is. Ethanol is the type of alcohol found in alcoholic beverages and is diluted with water and other subs ... that the liver breaks down as it enters. Liver oxidizes alcohol at the rate of 1/4-1/3 oz. of pure ethanol an hour; meanwhile the unmetabolized alcohol continues to circulate in the bloodstream (Herb ...

(9 pages) 148 0 5.0 Sep/2004

Subjects: Humanities Essays > Health & Medicine

How Drinking Affects Driving (this is a final copy and a typed outline)

alcohol is that of drunk driversFacts About AlcoholAlcohol is a common name for chemical substances ethanol, grain alcohol or ethyl alcoholNot digested but absorbed into the bloodstreamAlcohol is a ma ... top safety problem. Here are some facts about alcohol. A common name for chemical substances ethanol, grain alcohol, or ethyl alcohol is alcohol. This drug is not digested but absorbed into the ...

(3 pages) 43 1 3.0 Jan/2005

Subjects: Social Science Essays > Society and community > Children and Youngsters

Alternative and Renewable Energy Includes Bibliography

energy represented by vertical temperature difference in the sea. Hydrogen fuel cells, Geothermal, Ethanol & Biodiesel, hydro-electric power and thermal depolymerization are several types of rene ... gy are municipal solid waste (MSW), manufacturing waste, and landfill gas. Biomass alcohol fuel, or ethanol, is derived almost exclusively from corn. Thermal depolymerization, a form of Biomass which ...

(8 pages) 207 0 3.2 Mar/2005

Subjects: Science Essays > Technology

Alcohol and Cancer.

or the purposes of this review, I have chosen to discuss alcohol in terms of units where 9 grams of ethanol equates 1 unit (?).Alcohol consumption has been linked to a wide variety of cancers, the mai ... is due to these particular organs being subjected to the highest concentrations of alcohol and the ethanol may be to blame for carcinogenic effects leading to cancers.Gronbaek's study into alcohol co ...

(3 pages) 23 0 2.3 Dec/2005

Subjects: Science Essays > Mental Health

Assessment for Lotus Rental Car's on the feasibility of adding alternative fuel vehicles to the fleet

ind something.)I cannot find anything to back this up. These alternative fuels include electricity, ethanol, methanol, natural gas (methane), Liquefied Petroleum Gas, hydrogen, propane and reformulate ...

(3 pages) 145 0 3.4 Jan/2006

Subjects: Businesss Research Papers > Case Studies

Position Paper

as interrupted by either a power jolt or even an extreme change in weather condition effecting the methanol or ethanol. In 1993 there was a circumstance in a rural area of Pennsylvania when a certain ...

(3 pages) 25 0 5.0 Jan/2006

Subjects: Businesss Research Papers

The Effect of Alcohol on the Heart Rate of a Gammarus

terference with nerve pulses. For example, an experiment was conducted when a Daphnia was placed in ethanol. The heartbeat of a Daphnia is regulated by nerve impulses, which are generated by pacemaker ... rred to larger follower neurons, which carry the signal to the cardiac muscle (causing it to beat). Ethanol interferes with this process by binding to nerve receptors and decreasing the impulses gener ...

(3 pages) 17 0 5.0 Apr/2006

Subjects: Science Essays > Biology

Experiment write up, including method and discussion on testing food substances for the presence of lipids (fats)

ds, will contain lipids.Introduction:Lipids are insoluble in water but soluble in organic solvents. Ethanol is an example of an organic polar solvent which will dissolve lipids to a limited extent. Ho ... lipids to a limited extent. However ethanol is miscible with water so when a solution of lipid and ethanol is added to water the ethanol will combine preferentially to the water, leaving the ethanol ...

(9 pages) 36 0 3.0 Oct/2006

Subjects: Science Essays > Biochemistry

To detemine the heat of combustion of ethanol and methanol. Procedures and conclusion.

EXPERIMENTAIM: To determine the experimental heat of combustion of methanol (CH3OH) and ethanol (CH3CH2OH). To decide which would be a better choice to take on a campin ... etter choice to take on a camping trip.MATERIALS: 1 Copper container 1 Clamp1 Spirit Lamp with Wick Ethanol1 Retort Stand Methanol1 Box of Matches Water1 Electronic Balance ThermometerPROCEDURE:Firstl ... d to the retort stand.Fourthly, Measure the weight of the spirit burner containing known amount of Methanol (CH3OH).Fifthly, Measure the initial temperature of the water with the thermometer. Then lig ...

(5 pages) 15 0 0.0 Nov/2006

Subjects: Science Essays > Chemistry