Question

Combination Reaction advantages and disadvantages

Answer 1

It forms a single product (advantage )
the product formed has entirely different properties than its costituents. ( disadvantage)

Answer 2

List of Advantages of Chemical Energy1. It is an abundant source of energy.Almost all sources of chemical energy, such as crude oil, wood, organic materials like wax and coal, can be found around the world, and humans are very dependent on these energy sources. This is the reason why worldwide economies are being affected when prices of these energy sources fluctuate.One of the most copious and common chemical energy sources available these days is crude oil, which is extracted from underlying sedimentary layers of our planet’s crust. It is produced from the process of chemical conversion that occurs in the fossilized remains of dead plants and animals under great pressure exerted by the Earth’s layer. According to statistics, people in many countries have a very high dependency on crude oil that the status of all global economies is affected directly by its price fluctuations.2. It produces high octane fuels that provide a substantial amount of power.The power packed in by high octane fuels that are derived by refining crude oil is substantially high in comparison to other energy sources, making it possible for cars, trucks and other vehicles attainment high speeds. The power that is released by chemical energy through combustion-induced bond breakage in gas is immense, and it is one of the biggest contributing factors to its popularity as a fuel source.3. It will combust easily.Easy combustibility is another great advantage of chemical energy. As compared to other sources of energy, chemical energy produces fuels that are simply combustible and are capable of giving out instant energy. It only requires the availability of air to ignite the source with sufficient oxygen content. Simply put, instant energy can be produced due to the easy combustibility of chemical energy.4. It will combust efficiently.The efficiency of combustion highly depends on the availability of oxygen. So if a system is designed well, for example a car engine, efficient combustion can be achieved.With chemical energy sources, the efficiency of combustion is definitely high. This is one excellent reason why the chemical energy, which is released through crude oil combustion, is highly preferred over any other power source. Certainly, the combustion’s efficiency is dependent on the oxygen’s availability, and so the system of a vehicle engine holds a huge impact on the efficiency of travel on the road or even in the air..List of Disadvantages of Chemical Energy1. It can be harmful to the environment.Before the sources are converted into useful energy, combustion is required and this can produce harmful by-products which can contribute to pollution. Since chemical energy is derived from organic materials, there is a high risk that the environment will be greatly affected by it, particularly because of too much combustion that is required for its production.However, we as users can do our part in controlling such effects. For example, governments can create some policies over the proper use of chemical energy to reduce carbon footprints. Also, private institutions within this industry can implement some new technologies to deal with such a downside.2. It comes with a high cost.This is another practical disadvantage of using chemical energy. The production of nuclear energy, in particular, needs a lot of money to invest and set up nuclear power stations. It is important to take note that it is not always possible by many developing countries to afford such a costly source of energy. Normally, nuclear power plants take five to ten years to construct and complete, as there is a wide array of legal formalities to be done, which is, most of the time, opposed by the people who are living near the area.3. It can produce radioactive waste.This is particularly the case with regards to nuclear power production. The waste produced by reactors needs to be disposed of properly to a secure area, since it is extremely hazardous and can leak radiations if not stored properly. The radiations emitted by this kind of waste can last to tens or even hundreds of years. This is the reason why the storage of radioactive waste has been a major bottleneck for expansions of nuclear programs.Nuclear wastes contain radioisotopes with long half-lives, which means that they stay in the atmosphere in some form or the other. These reactive radicals can make sand or water contaminated, which is known as mixed waste that can cause hazardous chemical reactions and can lead to dangerous complications.To manage such waste, plants would usually bury it under sand in a process known as vitrification. However, another danger this method brings is that the waste can be used to make nuclear weapons. This thought alone can make people nearby afraid of what the substance can impact their live