Identify And Explain What Is Meant By Polarity?

Water (H2O) is a good solvent because it is partially polarized. The hydrogen ends of the water molecule have a partial positive charge, and the oxygen end of the molecule has a partial negative charge. This is because the oxygen atom holds on more tightly to the electrons it shares with the hydrogen atoms. The partial charges make it possible for water molecules to arrange themselves around charged atoms (ions) in solution, like the sodium (Na+) and chloride (Cl−) ions that dissociate when table salt dissolves in water.

Switching from the expensive oil to alternative fuels has moved from a dream to reality. Today, there are dozens of alternatives to oil that are currently available us to be used. One alternative to oil that is being used more today is ethanol. Derived from plant materials, ethanol can be a cheaper, cleaner alternative to the gasoline that our vehicles run off. When going to gas pumps, one will notice that much of the gasoline is up to 10 percent of ethanol. According to our text, most ethanol in the U.S. is made from corn, yet ethanol can be made from any biomes-- including garbage. (Turk & Bensel, 2011)

The higher price of ethanol in many areas is made worse by ethanol’s second disadvantage that it, regardless of the price you pay for it, contains less fuel efficient energy than gasoline. In short, this means cars won’t travel as far on a tank of gas, and most cars fuel economy will decrease by 20-30 percent. This is very

The world's oil reserve is destined to deplete and expected to peak in 2020 as it is decreasing in volume oil prices will go up, eventually leading to a plateau of oil based production.PErhaps As oil goes 1 barrel will produce 5.8 million BTU, it takes 75 BTU to boil a cup of water. As a substitute for oil I came to ethanol as a solution. if 1 barrel of oil produces 5.8 million BTU a barrel of ethanol will produce 3.5 million BTU. Ethanol could provide roughly 2/3 of the world's energy. But $770,000,000,000 for 11 days of world operation plus the additional 1/3 of energy needed to fill the oil void would cost much more than oil. Ethanol is $70 per barrel versus Oil is $40 per barrel. Is the extra cost worth the renewability? I don't believe

There is no denying that we have a large amount of air pollution in The renewable fuel can damage the motor-engines that it is being used to power from the mixture of ethanol and alcohol, which is corrosive. Older models of automobiles are at the greatest risk for being ruined by the renewable fuel, however, engines in newer models of cars are capable of handling it. When an older engine has this new mixture of fuel go through it, there is a chance every time the automobile is turned on that the engine can explode causing injury or death (Top Ten). The Environmental Protection Agency is backing the Renewable Fuel Standards saying that it is protecting the environment. However, there are studies that disprove that statement by showing ethanol is more harmful than fossil fuels. Producing ethanol actually affects water because ethanol consumes 200 times the amount of water that corn crops do. Also, more people are farming corn to sell for ethanol usage which means there are more chemicals going into the soil (Top Ten).

The author expresses some reasons which indicate that Ethanol is not an appropriate replacement for gasoline. The lecturer, however, refutes the claim since he believes that the arguments are not persuading.

Gasoline is a better fuel to use compared to using a food fuel because of how much energy it gives us per mile. Gasoline has a lower energy content compared to ethanol, which means that we would need a bigger amount of ethanol to take us to the same destination. (“Types of

prices is modeled. Ethanol producers make a modest competitive profit in the mandate-induced region of production. A low price of gasoline increases the demand for blend ethanol and consequently increased the profit of ethanol producers. On the other hand, when gasoline becomes

Bashir Muttawa Ecology essay Nov 16 Should we burn our food for fuel? Contents Introduction 3 Why do we do this 3 Conclusion 4 Bibliography 4 Why do we burn fossil fuels Introduction   The Energy Independence and Security Act of 2007 mandates that by 2022 36 billion gallons of biofuels will be produced in the United States.  15 billion gallons of this biofuel is expected

Polarity is the separation of an electric charge, leading to a molecule or its chemical groups having a dipole moment. Polar molecules interact through dipole-dipole, intermolecular forces, and hydrogen bonds. In the five labs that we did, all of them were related to surface tension, in one way or another. Surface tension is the tension of a surface film of a liquid caused by the attraction of the particles in the surface layer by the bulk of the liquid. Therefore, polarity using hydrogen bonding, and a difference in electronegativity creates surface tension to hold a paperclip, cohesive and adhesive forces repelling and attracting a staple to oil and dish soap, and intermolecular forces diverting food coloring into different directions when dish soap was added to milk.

The two main categories in fuels are This essay will first discuss the advantages of using corn ethanol as the main source of fuel in the future, such as the renewable features of corn itself, and the benefits of using corn ethanol as an additive of gasoline instead of using gasoline alone. However, everything has its strengths and weaknesses. Therefore, the second part of the essay will discuss some of the weaknesses in applying the fuel into practical usage. For example, corn ethanol currently encounters technical limitations serving itself as a standalone fuel, meaning that corn ethanol can only function by combining itself with a certain amount of gasoline, while gasoline is a kind of fossil fuel. Lastly, this essay will conduct a comparison with other renewable resources in the world, including solar power, other biofuels, and hydrogen fuel.

Ethanol fuel has many positive features as an alternative to the use of liquid fuel. First, ethanol is renewable. A relatively safe fuel would show very few engine changes. Second, its energy density is much higher than with some of the other alternative fuels, such as methanol, which means there would be less volume required to go the same distance. With the third benefit of ethanol, it would be able to improve much of the agricultural economies by providing farmers with stable market crops, such as maize and sugar beets, and with

Water is commonly called a ‘universal solvent’ as it can commonly easily dissolve other natural charged molecules due to its hydrogen bonds and polarity. The polarity in water makes it easy for hydrogen bonds to form and dissolve polar molecules as the ions interact with the positively charged hydrogen and negatively charged oxygen.

Biofuel: Ethanol Alternative to Transportation For the past three decades Oil dominates the agenda of political discussion. With scares over price volatility, sizes of reserves, international imports and least of which are the environmental impacts due to carbon dioxide and other emissions.

1 Introduction Significant energy demands related to population growth together with environmental concerns about the effects of fossil fuel usage (e.g., global warming) resulting in more stringent legislation for engine pollutant emissions have been attracting new interest in renewable, sustainable and environmentally friendly energy resources. Many ways have been applied or employed to reduce emissions levels as well as improve engine efficiency. Some fuels additive are being investigated and they have potential of emissions limited to, keeping the extra cost to the minimum as can possible. Alcohol biofuel such as ethanol, butanol are extensively investigated and commercially used. The experimental results revealed that significantly