5.1 Homework PG178 Questions: 2, 3, 5, 8, 9 2. Classify each of the following observations as an example of either a chemical or physical property a. Liquid nitrogen boils at -198˚C This is a physical property because it is a matter of changing state. b. Propane leaking from a damaged tank, ignites easily This is a chemical property because it is flammable. c. Silver jewelry tarnishes (darkens) in air This is a chemical property because the silver becomes dark because of oxygen d. Spilled oil generally floats on the surface of water This is a physical property because it does not mix to create a new substance e. Meat darkens when it is heated on a grill This is a chemical property because something new is created.…
Many people around the world ask themselves what are the disadvantages of adopting an alternative solution to solve the consumption of global nuclear energy? Based on what we have experienced through events with major disasters and the aftermath of many casualties, it has summed up to result in having failures outgrowing expectations. Therefore, global nuclear power usage is to be opposed due to the fact that it comes with high financial costs, nuclear waste management complications, and the fact that thousands in populations are mass numbers of casualties.…
First off all, what is the nuclear? Many countries use nuclear energy to generate electricity. “Unclear is the energy stored in the center or the nucleus of an atom. After we bombard the nucleus into two parts, two different elements are formed along with the emission of high energy. The process generally followed is called fission. Fission is the chain reaction which needs uranium-235.”(“Fission and fusion”)The nuclear energy is considered as the worthiest alternative resource of energy after fossil fuels, but it also has a lot of potential problems.”(“Nuclear Energy”)…
Nuclear power plants do not release harmful carbon dioxide into the environment like the fossil fuels that are mostly used. Therefore, it can actually help with the problem of global warming around the world and even here. Nuclear power plants are also considered more reliable since they do not depend on the wind or the sun in order to produce energy. This means that nuclear energy can provide a more reliable base load of energy even when the demand for energy is very high like during the summer months when everyone is using their air conditioners.…
Nuclear power does not put out green house gasses, nuclear power does not pollute our water, and unlike some people believe nuclear power does not release toxic gasses into the air. Some people believe that it produces toxic gases into the air because they see the white clouds that come out of the top of the power plant cooling towers, but in fact those white clouds are actually just the water vapor that has been used to cool the systems, it is not toxic and therefore does not pollute the air. Nuclear energy uses either plutonium or uranium, depending on the type of the reactor. Nuclear reactors produce less waste than any other type of energy source. One pound of plutonium can produce the same amount of energy as 50,000 barrels of oil. The number of deaths caused by coal powered plants is about 24,000 a year. There were only 56 direct deaths caused by the Chernobyl reactor meltdown. Fukushima had no direct deaths, and the only other reported deaths were of the 3 men who were testing a portable reactor in Arco, Idaho. Arco was also the very first city in the world to be powered by nuclear…
With nuclear power came what was thought to be a more clean alternative to burning coal and other fossil fuels; Nuclear power does not produce nearly as much of the greenhouse gases as coal produces. People and society have given nuclear power a bad name, considering the amount of accidents that have happened. Although when you look at statistics it’s not as many as you would believe, or expect. When nuclear power is put head to head with coal power, nuclear power is the more efficient, and the safest way of power production. There are several reasons for this like the amount of fuel burned, pollution levels, and the effect it has on the environment.…
Nuclear energy leads to an unsafe, unstable and unclean environment. The producing of nuclear energy can lead to both good and bad things, but two thing that come with producing nuclear energy are the high dangers and expenses. Many risks and high dangers of producing nuclear energy are any where from health issues to major meltdowns of nuclear plants. Expenses of nuclear energy plants are very expensive to build and to sustain them through the years. Renewable energy is a safer option for the environment and the economy, with no chances of major melt downs and expenses.…
Nuclear power is a concept that has been evolving and has become a key in the race for the newest and best source of renewable energy. Nuclear power generation involves the use of large nuclear fission reactors that generate electricity through fission reactions and heat generation. Nuclear energy has many positive externalities but in the past the technology has proven that it has major downfalls as well. For this reason only about 5% of the power in the world is generated from nuclear sources. This nuclear power is only produced in some of the richest countries due to the fact that the initial investment into producing nuclear energy is extremely high and the gains of energy are sometimes not worth the investment in the advanced technology.…
Produced by controlled non-explosive nuclear reactions, nuclear power accounts for 6% of the world’s energy and an approximate 13% of the world’s electricity supply (World Nuclear News 2010). Nuclear power has accumulated worldwide regards towards a positive move into the goal of sustainability. Conversely, the use of nuclear power has grown to become a major concern due to its obvious destructive effects on the environment, people and the world as a whole. Nuclear power although providing a positive approach in the production of renewable energy, it also provides the world extreme vulnerability to destruction. This essay will discuss and provide evidence of the threats and negative impacts nuclear power plants pose to the world.…
The first and also the most important advantage is that nuclear power has less pollution emissions. Nuclear power is considered one of the cleanest energy sources when it comes to emissions. Currently, the use of burning fossil fuels such as coal and oil as energy emits nitrogen oxide, sulfur dioxide and other dangerous gasses. Unlike using fossil fuels, nuclear power production emits almost no greenhouse gases into the atmosphere. Hence, nuclear power will reduce the problem of global warming. Although the Department of Energy (DOE), says that nuclear power do generate some carbon dioxide emissions during the production. However, according to the Swedish Energy Utility, Vattenfall, finds out that nuclear power emits less carbon dioxide than any other energy resources including hydro, wind, solar and biomass although all of these processes emit much less than fossil fuel generation of electricity. Hence, nuclear power is also considered green energy.…
Since Nuclear energy is man-made it almost little environmental impact if it is taken care of and put into the right hands. In a study from 1995-2015 it was seen that Sulfur Dioxide was reduced by -84%, Nitrogen oxides were reduced by -80%, and Carbon Dioxide was reduced by -15%. With Nuclear energy we also reduce coal emissions, which in a article by AL.com it is said Evironmental “Pollution from Alabama Power's coal-fired power plant…
Because Nuclear energy is the world's largest source of emission-free energy. Nuclear power plants produce no controlled air pollutants, such as sulfur and particulates, or greenhouse gases. The use of nuclear energy in place of other energy sources helps to keep the air clean, preserve the Earth's climate, avoid ground-level ozone formation and prevent acid rain. Of all energy sources, nuclear energy has perhaps the lowest impact on the environment, including water, land, habitat, species, and air resources. Nuclear energy is the most eco-efficient of all energy sources because it produces the most electricity relative to its environmental impact.…
On the other hand, nuclear power is still the strongest energetic source. Despite of the risk of using such energy, there are some countries which just have no choice. That’s all because of lack of other energy resources. For example, Japan which needs so much energy to provide the whole country that even alternative source of energy could not solve their problem.…
As it might be predicted, the use of nuclear power is controversial. Thus, many people are for nuclear power and many against it. Firstly, those who like the idea of using nuclear energy say that it is environmentally friendly because it does not use up fossil fuels or produce greenhouse gases. In addition, nuclear power is a sustainable energy source that reduces carbon emissions. Therefore, the air will not be polluted with different kind of man-made chemicals and waste products. Furthermore, if approximately every second country starts to use nuclear energy, the pollution will decrease remarkably.…
Secondly, the production of nuclear energy does not release greenhouse gases during the reaction. The production of nuclear energy is to be considered as carbon-free. A few examples of the greenhouse gases are carbon dioxide, methane, ozone and chlorofluorocarbon. These greenhouse gases are a huge threat in the current situation, as they cause global warming and climate change. The effect toward the environment is very minimal as there is no release of the greenhouse gases during the nuclear reaction.(Pandit, R, 2011,Advantages and Disadvantages of Nuclear Energy, para. 5)…