If a nuclear power plant can buy 86% enriched fuel for $21000/lb and can buy cheaper less enriched uranium that is 80% pure and for $14000/lb still using as a mixer the 57% pure uranium at $5000/lb which fuel is

57,702 results

Algebra

If a nuclear power plant can buy 86% enriched fuel for $21000/lb and can buy cheaper less enriched uranium that is 80% pure and for $14000/lb still using as a mixer the 57% pure uranium at $5000/lb which fuel is going to be more cost effective for the plant?

AP Chem

Pretend you are a nuclear scientist and try to answer this bonus question. Uranium -235 (235U) is used as a fuel in nuclear power plants. However, natural uranium contains mostly U -238 (238U) and very little uranium -235. Therefore, it is necessary that the natural uranium be...

11th grade AP Chemistry

Pretend you are a nuclear scientist and try to answer this bonus question. Uranium -235 (235U) is used as a fuel in nuclear power plants. However, natural uranium contains mostly U -238 (238U) and very little uranium -235. Therefore, it is necessary that the natural uranium be...

Chemistry

What is the difference between natural uranium and enriched uranium?

science help PLS

A nuclear power plant produces huge amount of electricity. However, it dumps radioactive wastes into the sea. This has led to an increase in illness among people living along the coast. Which of these is the best method to solve this problem? Increase public awareness to close...

Japan's Nuclear Crisis

How does nuclear fission create energy? Nuclear energy is produced through the splitting, or fission, of a uranium atom in the core of a nuclear reactor. When hit by a neutron, the atom divides and releases two other neutrons, as well as heat and radioactive particles. The ...

Chemistry

A1g sample of enriched water, a mixture of H2O AND D2O, reacted completely with Cl2 to give a mixture of HCl and DCl. The HCl and DCl were then dissolved in pure H2O to make a 1.00 L solution. A 25.00 mL, sample of the 1 L solution was reacted with excess AgNO3 and 0.3800g of ...

Nuclear FIssion

How does nuclear fission create energy? Nuclear energy is produced through the splitting, or fission, of a uranium atom in the core of a nuclear reactor. When hit by a neutron, the atom divides and releases two other neutrons, as well as heat and radioactive particles. The ...

chem please help!

The average energy released in the fission of a single uranium-235 nucleus is about 3. 10-11 J. If the conversion of this energy to electricity in a nuclear power plant is 45% efficient, what mass of uranium-235 undergoes fission in a year in a plant that produces 2000 megawatts

Chemistry

A 1.00 g sample of enriched water, a mixture of H2O and D2O, reacted completely with Cl2 to give a mixture of HCl and DCl. The HCl and DCl were then dissolved in pure H2O to make a 1.00 L solution. A 25.00 mL sample of the 1.00 L solution was reacted with excess AgNO3 and 0....

Physics

A centrifuge can be used to separate cells from a liquid. To increase the rate at which objects can be separated from solution, it is useful to make the centrifuge's speed as large as possible. If you want to design a centrifuge of diameter 1.4 m to have a force of 128,000 ...

Chemistry

Enriched uranium is produced via gaseous diffusion of UF6. Suppose a process were developed to allow diffusion of gaseous uranium atoms, U (g). Calculate the ratio of diffusion rates of U235 and U238, and compare it to the ratio for UF6 given in the essay.

chemistry

Any help with the following questions would be greatly appreciated! 1) What is the fuel source in nuclear power plants? How is that energy harvested from the source? 2) How does the fuel source used in power plants differ from the fuel source used in nuclear bombs? 3) What ...

Physical science

Why can't naturally occuring uranium be used in a nuclear power plant? A. Naturally occurring uranium decays too rapidly into thorium. B. The temperature of the uranium is too low. C. A sustainable chain reaction requires higher concentrations of U235 than naturally occuring U...

Math

Shoes are on sale, buy one and get the cheaper pair 50% off. Jane and Janette wants to buy shoes and share equal amount of discount. If the pair of shoes that Jane wants to buy is 120, and the pair that Janette wants to buy is 60, how much do they each have to pay? I tried to ...

CHEM

Pu-239 has a half-life of 24110 y. If 1.00 kg of this isotope is present in the used fuel rods of a nuclear power plant approximately how long will it take for this amount of Pu-239 to decay until there is less than 1 mg left ? Please help. I do not know how to do this question.

Enriched science

Engineers who are working to find alternative fuel sources hope to A. Reduce air pollution B. Use more fossil fuels C. Design microorganisms that will eat oil D. Increase the yeild of food crops

Science

Uranium-238 is less stable than oxygen-16. What accounts for this difference? (A) Uranium is a solid, while oxygen is a gas. (B) Unlike oxygen-16, uranium-238 has a nucleus in which repulsive electric forces surpass the strong nuclear forces. (C) Oxygen-16 has fewer electrons ...

Biology

why did the nuclei enriched fraction appear in the centrifuge fraction spun at the slower speed? Why didn't this fraction contain only nuclei(Why wasn't it pure?)?

Chemistry

The uranium used for nuclear fuel exists in nature in several minerals. Calculate how many moles of uranium are in 6.0 moles of the following: Carnotite; K2(UO2)2(VO4)2*3H2O Uranophane; CaU2Si2O11*7H2O Autunite; Ca (UO2)2(PO4)2*10H2O

chemistry

Which of the following is NOT true about a nuclear power plant? A. They can explode like a nuclear bomb. B. They produce radioactive waste that must be safely stored for many years. C. They produce fewer carbon emissions than a coal-fired power plant. D. They are a relatively ...

science

In a serious accident, nuclear power plants reactor vessel cracks and all of the cooling water drains out. Although nuclear fission stops, radioactive decay continues to heat the reactor's 2.5× 10 to the 5 power kg uranium core at rate of 120 Mega-Watts. Once the core reaches...

math ( percentages)

Alisha used to earn a salary of £14000. How much does she get after the 7% rise? i tried doing 7%*14000, but i kept getting a number less then 14000. Is that suppose to happen?

Chemistry

The most abundant isotope of uranium,238U , does not undergo fission. In a breeder reactor, however, a 238U atom captures a neutron and emits two beta particles to make a fissionable isotope of plutonium, which can then be used as fuel in a nuclear reactor.Write the balanced ...

business

A company has the following alternatives on some real estate that it needs for its new plant. It can lease the facility for $10,000 a month for 15 years, or it can buy the facility now for $800,000. The company’s weighted average cost of capital is 12% and payments are made ...

business

A company has the following alternatives on some real estate that it needs for its new plant. It can lease the facility for $10,000 a month for 15 years, or it can buy the facility now for $800,000. The company’s weighted average cost of capital is 12% and payments are made ...

Physics

Before a nuclear reaction, there is 0.01000 kg of uranium. After the nuclear reaction, there is 0.00950 kg of uranium. How much energy was released? (h = 6.63 × 1034 Js)

science

What fuel other than uranium can be used in a nuclear reactor? Is the answer: Neptunium and plutonium, which are transuranium elements.

Calculus disaster

Uranium ore has two main isotopes, mostly U-238 with just a trace amount of U-235. In a sample of Uranium ore, 99.85% of the atoms are U-238 atoms and 0.15% are U-235 atoms. Before the Uranium can be used in a nuclear power plant, the proportion of U-235 must be increased to ...

Enriched Geometry

Rotate (0,1) counter clockwise 18000 degrees

11th grade

How many uranium atoms are there in 9.5 g of pure uranium? The mass of one uranium atom is 4 × 10−26 kg

Physics

How many uranium atoms are there in 8.2 g of pure uranium? The mass of one uranium atom is 4 × 10^−26 kg.

physics

Are the nuclear fission power plants operating around the world today safe? How does the radiation from a nuclear power plant compare to other sources of radiation?

Physics

How many uranium atoms are there in 8.4 g of pure uranium? The mass of one uranium atom is 4 x 10^-26

Math

You need to buy some chicken for dinner tonight. You found an ad showing that the store across town has it on sale for $2.89 a pound, which is cheaper than your usual neighborhood store, which sells it for $2.99 a pound. Is it worth the extra drive? First, determine what ...

intro of my essay

Nuclear power plants have been a controversy issue in our world for many years and it will continue to be so in the years to come. The issue of whether people should or shouldn’t accept power plants to be operated has been widely debated among communities, especially in San ...

Science

In order to sail through the frozen Artic Ocean, the most powerful icebreaker ever built was constructed in the former Soviet Union. At the heart of the ship's power plant is a nuclear reactor with a power output of 5.60X10^7 W (5.60 times ten to the power of seven W) How long...

Physics

A nuclear power plant has an electrical power output of 1200 MW and operates with an efficiency of 31%. If excess energy is carried away from the plant by a river with a flow rate of 1.0 x 10^6 kg/s, what is the rise in temperature of the flowing water?

Algebra 1

You drive a car that runs on ethanol and gas. You have a 20-gallon tank to fill and you can buy fuel that it is either 25 percent ethanol or 85 percent ethanol. How much of each type of fuel should you buy to fill your tank so that it is 50 percent ethanol?

Environmental Science

A nuclear burning power plant produces a total power of 1.1kW. It serves a community that requires 2.85 x 107 kJ of power over the entire year. How many days per year does the power plant need to operate to provide all this power? 300 days 250 days 365 days 200 days 150 days

Science

what device in a nuclear power plant creates nuclear energy?

math

a boy has enough money to buy 20 exercisew book.if each book cost 25 paise less,he could buy 2 more books and still have 20 paise left.how much money did he have??? ans (48 rs)?

Physics

A nuclear power plant has an electrical power output of 1200 MW and operates with an efficiency of 31%. If excess energy is carried away from the plant by a river with a flow rate of 1.0 multiplied by 10^6 kg/s, what is the rise in temperature of the flowing water?

Physics

A nuclear power plant has an electrical power output of 1200 MW and operates with an efficiency of 31%. If excess energy is carried away from the plant by a river with a flow rate of 1.0 multiplied by 10^6 kg/s, what is the rise in temperature of the flowing water?

physics

A nuclear power plant has an electrical power output of 1900 MW and operates with an efficiency of 32%. If excess energy is carried away from the plant by a river with a flow rate of 1.0 106 kg/s, what is the rise in temperature of the flowing water? °C

Japan's Nuclear Crisis

I don't know why. Please help me. Why did the reactors at the Fukushima plant overheat? Because of Nuclear power generation?

math,correction

can someone correct this for me please. Business and finance. Linda Williams has just begun a nursery business and seeks your advice. She has limited funds to spend and wants to stock two kinds of fruit-bearing plants. She lives in the northeastern part of Texas and thinks ...

math - so confused can you help me

The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for$21 You can buy a barracuda and a carp for $32 You can buy a carp and a dogfish for $32 You can buy a dogfish and an eel for $37 You can buy an eel and ...

business law

im kind of confused about the concept on agency Tania had apparent authority to buy a car for Sharon, provided the price was less than $10,000. Tania has now entered into an agreement to buy a car, on Sharon's behalf, from Douglas for $15,000. the answer on the quiz was Sharon...

business law

im kind of confused about the concept on agency Tania had apparent authority to buy a car for Sharon, provided the price was less than $10,000. Tania has now entered into an agreement to buy a car, on Sharon's behalf, from Douglas for $15,000. the answer on the quiz was Sharon...

Math

Mr. R has some money to buy oranges, if he will buy 15 oranges he will need $90 more, if he will buy 10 oranges he will have $60 left. how much money has mr. R? Please kindly solve this using George Polya method.. guess and check...

math

The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for$21 You can buy a barracuda and a carp for $32 You can buy a carp and a dogfish for $32 You can buy a dogfish and an eel for $37 You can buy an eel and ...

algebra - Help!

The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for$21 You can buy a barracuda and a carp for $32 You can buy a carp and a dogfish for $32 You can buy a dogfish and an eel for $37 You can buy an eel and ...

To: Reiny- Math

Thank you so much for helping me but for #2 c.) is it yes or a no, though i did the rest of my questions but im stuck on this one so can you please help and explain a lot cause i have a test on this soon and i want to understand it, thanks :) Serena can rent a video game for $...

math same question as before with new questions to

The local fish market is having a sale on whole fish. the prices are as follows: You can buy an albacore and a barracuda for$21 You can buy a barracuda and a carp for $24 You can buy a carp and a dogfish for $32 You can buy a dogfish and an eel for $37 You can buy an eel and ...

Market economy/government

In a market economy, a high price will usually cause A) producers to offer less and consumers to buy less. B) producers to offer less and consumers to buy more. C) producers to supply more and consumers to buy less.*** D) producers to supply more and consumers to buy more The ...

quantum physics

A nuclear reactor generating plant supplies 53.0 MW of useful power steadily for a year. Assuming that, in addition, twice this power is wasted in heat production, determine the mass (in kilograms) converted to energy in a year at this plant.

Enriched Literature

If anyone has ever Superstition from the great books round table could you help me. Why does Frances make up her own rules and rituals? Thank you.

chemistry

Which of the following statements are true? Fusion reactions result in nuclei with higher Z. To keep a nuclear power plant going, a chain reaction must be maintained. Nuclear fusion produces no long-lived radioactive by-products. The Sun is a nuclear fusion reactor.

science

Which statement is true regarding nuclear energy? (Points : 1) Nuclear power produces no greenhouse gasses and thus poses no environmental threats. Nuclear plants rely on a massive industrial infrastructure using fossil fuels. Due to strict safety regulations, nuclear power ...

Math

You can buy three bottles of dishwashing liquid, each containing 1 pt 5 fl oz, on sale for $2.30. Let say for the same price you can buy a large container holding 2 qt. Which is the better buy?

Geography

1-What is a benefit of nuclear power? 2-How does nuclear compare to coal? 3-What are some problems with nuclear power? 4-What does rector do? 5-What does a generator do? 6-What is the waste of these power stations, what is the problme with it? 7-What must be considered when ...

English

1. Where do you buy a scarf? -I buy it at the department store. 2. Where do you buy the scarf? -I buy it at the department store. 3. Where do you buy scarves? -I buy them at the department store. (Which question is correct grammatically?)

Last Question...

Roman Noodles are enriched refined wheat flour and was wondering if anyone knows if this kind of pasta is considered low-glycemic complex carbohydrate.

Science

How does a nuclear power plant produce energy? A. Through solar panels B. Through nuclear fission reactions C. Through geothermal heat D. Through nuclear meltdown reactions I am not really sure what the answer is but I am thinking…c? Or I guess d?

math

The tires mary wants to buy for her car cost $200 per tire. A store is offering the following deal: Buy 3 tires et the 4th tire for 75% off ! Mary will buy 4 tires using the deal . The sales tax is 8%. how much will mary save using the deal versus paying the full price for all...

GED-Word Problems

Roland drives a mixer for a cement company. The mixer is a cylinder 10 feet long with a diameter of 9.5 feet. What is the volume of the mixer?

LIB

The International Atomic Energy Agency (IAEA) 1. controls nuclear weapons stockpiles. 2. inspects nuclear power plants. 3. tests nuclear weapons. 4. builds nuclear power stations. I think it's number 4

Chemistry

I Posted this question the other day: A 1.00 g sample of enriched water, a mixture of H2O and D2O, reacted completely with Cl2 to give a mixture of HCl and DCl. The HCl and DCl were then dissolved in pure H2O to make a 1.00 L solution. A 25.00 mL sample of the 1.00 L solution ...

math

The tires mary wants to buy for her car cost $200 per tire. A store is offering the following deal: Buy 3 tires et the 4th tire for 75% off ! Mary will buy 4 tires using the deal . The sales tax is 8%. how much will mary save using the deal versus paying the full price for all...

English

1. If you want to buy books, to which floor do you have to go? - I have to go to the 4th floor. 2. On which floor can you buy a shirt? - I can buy a shirt on the 3rd floor. 3. Where can you buy shoes? - On the first floor. 4. At which store can you buy shirts and ties? - At a ...

physic

In a serious accident, a nuclear power plant's reactor vessel cracks, and all of the cooling water drains out. Although nuclear fission stops, radioactive decay continues to heat

AlGEBRA

Sara needs to buy some tuna. Each can costs .79 and she has a coupon for $2 off entire purchase, how many cans of tuna can she buy for less than $7.? (translate into inequality and solve)

Statistics

James has $78. He nees to buy some cds and tapes. He can buy 4 cds and 3 tapes and has $3 left or buy 3 cds and 5 tapes and has $13 left. Using system equation, find the cost of each.

college

The manager of a Drug Store knows that 50% of the customers entering the store buy prescription drugs, 65% buy over-the-counter drugs, and 18% buy both types of drugs. What is the probability that a randomly selected customer will buy at least one of these two types of drugs? ...

English

1. If I had a lot of money, I could buy a car. 2. If I could buy a house, I would be happy. 3. If I were a rich person, I could buy a smart phone. 3-2. If I " was" a rich person, I could buy a smart phone. -------------------------------- Are they all grammatical? Can we use '...

Math

Find the unit price and tell which is the better buy: Buy one 10 pack of AAA batteries for $5.49 and get one free, or buy two 4 packs for $2.98.

real estate finance

Evan is borrowing $130,000 to buy a home priced at $144,500, and wants to do a permanent buy-down on his interest rate. His loan officer informs him the buy-down will cost 3 1/2 points to reduce his rate from 5 1/2% to 5%. How much will Evan have to pay at closing to do the ...

algebra

you buy a storage rack that holds 40 cds. you have 27 cds. write an inequality that describes how many more cds you can hold. you buy 15 cds. will they all still fit?

SCIENCE

Is this true or false? I am confused. Tests have been conducted to mine uranium from seawater. My book says that at one time or another Japan, Germany, and the United States have expressed interest in the extraction of uranium. Japan set up a land-based test plant in 1986 to ...

chem

can anyone help me with this question what is the advantages and disadvantages of hydrogen power as opposed to hydrogen fuel, also what is the equation for hydrogen feul? I do not understand your first question. Hydrogen power REQUIRES hydrogen fuel. Hydrogen fuel is H2; ...

Math

Samina spent 1\8 of her money to buy books ,1\5 to buy clothes or 1\10 give to charity, if she had still rupees 15 ,more than half of her money ,find the amount she originally had

Algebra

Samina spent 1\8 of her money to buy books ,1\5 to buy clothes or 1\10 give to charity, if she had still rupees 15 ,more than half of her money ,find the amount she originally had

math

Andrew has $40. He wants to buy a $15 cd and as many $6 posters as he can. What is the greatest number of posters he can buy? I did 40>or=15+6x -15 to each side 25/6> or=6x/6 4.17> or = x so he can buy 4 at most Is this correct? Thanks

brown

parker wants to buy as many toys as she can with her 10$she can buy individule ponies for 2$ each or a set of 2 dolls for $3 what she she buy and why what do you need to find out what operations will you use why write a number sentence to show how you solved the problem label ...

phyiscs

In a nuclear power plant, _

Fitness

If your use soymilk on regular basic, you should select a variety that’ A. fortified with protein. B enriched with calcium and vitamins. C. chocolate or vanilla flavored. D. Naturally fat fee I think the answer is "A"

physics

a large nuclear power plant generates electric energy at the rate of 1000 MW. how many joules of electricity does the plant generate in one day? what is the mass of this much energy?

Macroeconomic 668

If the mortgage rate rises from 5% to 10% yet the appreciation of houses that consumers can buy rises from 2% to 9% would you be more likely or less likely to buy a house as an investor?

English

1. Find the way to do it 2. Find the way in which you can do it 3. Find the way in which to do it. (Can we use all the expressions? Are they the same?) 4. Give me the money to buy food. 5. Give me the money with which you may buy food. 6. Give me the money with which to buy ...

Physics of Modern Technology

1) In a conventional explosion, when each molecule of high explosive chemically reacts, it produces about 4 x 10-18 J (joules) of energy. If each molecule of high explosive weighs as much as a single uranium 235 atom, and each uranium atom releases about 4 x 10-11 J in a ...

Physics of Modern Technology

1) In a conventional explosion, when each molecule of high explosive chemically reacts, it produces about 4 x 10-18 J (joules) of energy. If each molecule of high explosive weighs as much as a single uranium 235 atom, and each uranium atom releases about 4 x 10-11 J in a ...

Chemistry

Which of the following statements are true? Fusion reactions result in nuclei with higher Z. To keep a nuclear power plant going, a chain reaction must be maintained. Nuclear fusion produces no long-lived radioactive by-products. The Sun is a nuclear fusion reactor. I tried ...

Chemistry

This question looks at the relationship between the molecular structure, polarity and solubility of ethanol (wikipedia ethanol), water and petrol (Wikipedia Petroleum). This posting was made on a discussion board: "Ethanol mixs in fuel are not a bad thing if pure. What they ...

Enriched science

Which of the following would be an engineering project that could help protect the planet? A. Finding a new landfill site B. Designing a better trash compactor C. Deciding which products can be recycled D. Growing microbes that eat oil

Physics

A fossil-fuel power plant that generates 1000MW of electrical power discharges 1600MJ per second as waste heat into the river. A)At what rate(in MW) is thermal energy obtained fromt the burning of coal? B)What is the thermal efficiency(power output/heat input) of the plant? C...

Ecology

What are the 4 major parts of a Nuclear power plant?

science,

how does a nuclear power plant produce energy

Chemistry

will acidic foods cooked in a cast iron skillet become Fe+2 enriched because of a reaction beteen the acidic food and the skillet?

math 156

Liz needs to buy soft drinks for 30 people. At the store she finds that she can buy 6 cans for $2.10. She assumes that each person would drink 2 cans each. WHen she checks her wallet she finds that she only has $20. Does she have enough money to buy soft drinks? No, because ...

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