There is a trend in the United States toward using coal-fired power plants to generate electricity rather than building new nuclear fission power plants. Is the use of coal-fired power plants without risk? Make a list of the risks to society from the use of each type of power plant.

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In conclusion, both coal-fired and nuclear fission power plants pose risks to society. Coal-fired power plants carry risks such as air pollution, greenhouse gas emissions, land degradation, water usage, waste generation, and accidents. Nuclear fission power plants present risks including radioactive waste, accidents, limited fuel supply, nuclear weapons proliferation, cost and construction, and water usage. A balanced approach considering the long-term impact on the environment and human society is crucial while making decisions regarding power generation.

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01

Coal-fired Power Plants Risks

1. Air Pollution: Coal-fired power plants release a significant amount of harmful air pollutants, including sulfur dioxide (SO₂), nitrogen oxides (NOx), particulate matter, and mercury. These pollutants can have severe effects on human health and the environment, such as respiratory illnesses and acid rain. 2. Greenhouse Gas Emissions: The burning of coal releases large quantities of carbon dioxide (CO₂), which is a major contributor to climate change and global warming. 3. Land Degradation: Coal mining can lead to the destruction of ecosystems and strip mining can result in significant soil erosion and loss of biodiversity. 4. Water Usage: Coal-fired power plants require large amounts of water for cooling purposes, potentially leading to water scarcity in surrounding regions. 5. Waste Generation: Coal ash, a byproduct of coal combustion, contains harmful chemicals that may contaminate water sources and pose risks to both human health and the environment. 6. Accidents: Accidents can occur during the mining, transportation, and storage of coal, resulting in injuries or fatalities.
02

Nuclear Fission Power Plants Risks

1. Radioactive Waste: Nuclear fission power plants produce radioactive waste that needs to be safely disposed of and managed for thousands of years to prevent contamination of the environment and harm to human health. 2. Accidents: Accidents at nuclear power plants, although rare, have the potential to release large amounts of radioactive materials into the environment, resulting in long-term contamination and human health risks. Examples include the Chernobyl and Fukushima disasters. 3. Limited Fuel Supply: The uranium fuel used in nuclear fission power plants is a limited resource, which could make it difficult to sustain the use of nuclear power in the long run. 4. Nuclear Weapons Proliferation: The materials and knowledge used for nuclear power generation could potentially be used for the development of nuclear weapons, posing a global security risk. 5. Cost and Construction: Building and maintaining nuclear fission power plants are costly and time-consuming, which can be a barrier to their implementation and overall feasibility. 6. Water Usage: Similar to coal-fired power plants, nuclear power plants require large amounts of water for cooling purposes. In conclusion, both coal-fired and nuclear fission power plants come with their own sets of risks. Hence, a balanced approach must be considered, taking into account the long-term impact on the environment and human society while making decisions regarding power generation.

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Most popular questions from this chapter

A proposed system for storing nuclear wastes involves storing the radioactive material in caves or deep mine shafts. One of the most toxic nuclides that must be disposed of is plutonium-239, which is produced in breeder reactors and has a half-life of \(24,100\) years. A suitable storage place must be geologically stable long enough for the activity of plutonium- 239 to decrease to 0.1\(\%\) of its original value. How long is this for plutonium-239?

Predict whether each of the following nuclides is stable or unstable (radioactive). If the nuclide is unstable, predict the type of radioactivity you would expect it to exhibit. a. \(_{19}^{45} \mathrm{K}\) b. \(_{56}^{26} \mathrm{Fe}\) c. \(_{20}^{11} \mathrm{Na}\) d. \(_{194}^{81} \mathrm{TI}\)

The rate constant for a certain radioactive nuclide is $1.0 \times 10^{-3} \mathrm{h}^{-1} .$ What is the half-life of this nuclide?

Explain the difference between somatic damage from radiation and genetic damage. Which type causes immediate damage to the exposed individual?

The most significant source of natural radiation is radon-222. $^{222} \mathrm{Rn},\( a decay product of \)^{238} \mathrm{U},$ is continuously generated in the earth's crust, allowing gaseous Rn to seep into the basements of buildings. Because \(^{222} \mathrm{Rn}\) is an \(\alpha\) -particle producer with a relatively short half-life of 3.82 days, it can cause biological damage when inhaled. a. How many \(\alpha\) particles and \(\beta\) particles are produced when $^{238} \mathrm{U}\( decays to \)^{222} \mathrm{Rn}$ ? What nuclei are produced when \(^{222} \mathrm{Rn}\) decays? b. Radon is a noble gas so one would expect it to pass through the body quickly. Why is there a concern over inhaling \(^{222} \mathrm{Rn}\) ? c. Another problem associated with \(^{222} \mathrm{Rn}\) is that the decay of \(^{222} \mathrm{Rn}\) produces a more potent \(\alpha\) -particle producer $\left(t_{1 / 2}=3.11 \mathrm{min} \text { ) that is a solid. What is the identity of the }\right.$ solid? Give the balanced equation of this species decaying by \(\alpha\) -particle production. Why is the solid a more potent \(\alpha\) -particle producer? d. The U.S. Environmental Protection Agency (EPA) recommends that 222 Rn levels not exceed 4 \(\mathrm{pCi}\) per liter of air $\left(1 \mathrm{Ci}=1 \text { curie }=3.7 \times 10^{10} \text { decay events per second; }\right.$ \(1 \mathrm{pCi}=1 \times 10^{-12} \mathrm{Ci}\) . Convert 4.0 \(\mathrm{pCi}\) per liter of air into concentrations units of \(^{222} \mathrm{Rn}\) atoms per liter of air and moles of \(^{2222} \mathrm{Rn}\) per liter of air.

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