Why do we use nuclear energy from power plants?

Answers

Answer 1

Answer:

Nuclear energy originates from the splitting of uranium atoms – a process called fission. This generates heat to produce steam, which is used by a turbine generator to generate electricity. Because nuclear power plants do not burn fuel, they do not produce greenhouse gas emissions.

Explanation:

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Related Questions

Show ur working:
What mass of sulfur trioxide is formed from 96g of sulfur dioxide?

2 SO2+O2 –> 2 SO3

Answers

Answer:

120 g SO3

Explanation:

128 g SO2  -> 160 g SO3

 96 g SO2  -> x

x= (96 g SO2 * 160 g SO3)/128 g SO2

x= 120 g SO3

The mass of sulfur trioxide, SO₃, formed is 120 g

The balanced equation for the reaction is given below:

2SO₂ + O₂ —> 2SO₃

Next, we shall determine the mass of SO₂ that reacted and the mass of SO₃ produced from the balanced equation. This can be obtained as follow:

Molar mass of SO₂ = 32 + (16×2)

= 32 + 32

= 64 g /mol

Mass of SO₂ from the balanced equation = 2 × 64 = 128 g

Molar mass of SO₃ = 32 + (16×3)

= 32 + 48

= 80 g /mol

Mass of SO₃ from the balanced equation = 2 × 80 = 160 g

Thus,

From the balanced equation above,

128 g of SO₂ reacted to produce 160 g of SO₃.

Finally, we shall determine the mass of SO₃ by the reaction of 96 g of SO₂. This can be obtained as follow:

From the balanced equation above,

128 g of SO₂ reacted to produce 160 g of SO₃.

Therefore, 96 g of SO₂ will react to produce = [tex]\frac{96 X 160}{128}\\\\[/tex] = 120 g of SO₃.

Therefore, the mass of SO₃ formed is 120 g

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Which of the following presents a safety hazard while working in the science laboratory?
A knowing how to use equipment
B wearing safety goggles
C following directions
D working alone

Answers

Answer:

D working alone

Explanation:

Working alone is the only option that could potentially be a safety hazard; if you have no one watching your back, errors could occur, like dropping glass or burning your hand, and no one is around to help you.

Choices A, B, and C are not correct because those are all good safety standards.



Which is usually associated with a faster reaction rate?
A. diluting a solution of the reactants
B. adding modeling clay to the reactants
C. removing heat energy from the reactants
D. using a solid with a high surface area in the reactants

Answers

Answer:

D. using a solid with a high surface area in the reactants, is your correct answer.

Explanation:

Using a solid with a high surface area in the reactants is usually associated with a higher reaction rate.

Which sentence best describes part of the process for generating electricity in a nuclear power plant?
A.Atoms Join together to produce water molecules.
B.An atom releases electrons, producing an electric current.
C.Protons and neutrons Join together to create atoms.
D.Heat is released when atomic nuclel split.​

Answers

Answer:it is D

Explanation: it is only one that makes sense


A calcium atom differs from a calcium ion in that the atom has a greater

A)
number of electrons

B)
number of protons

C)
atomic number

D)
mass number

Answers

Answer:

A) number of electrons

Explanation:

A calcium atom has 20 electrons while a calcium ion has 18 electrons since it loses 2 electrons to form a stable octet structure. The formula of a calcium ion is Ca2+.

The number of protons does not change, neither do the number of neutrons. Atomic number is the proton number which is equals to the number of protons, hence B and C is wrong. Mass number is the number of protons and neutrons. Hence it doesnt change too and D is wrong.

Only the number of electrons change when an atom forms an ion.

aight imma let you guys i

Answers

Answer:

b

Explanation:

it is right

Ksskskskdkejdidkk bysco sskkskskskskskskskskskkskskskskskskskkssk

What causes a molecule to have a net dipole moment?
A. The presence of only nonpolar bonds in the molecule
B. The presence of Van der Waals forces
C. The presence of a net charge that does not cancel out
D. The presence of both covalent and ionic bonds in the molecule

Answers

Answer:

Option C

Explanation:

Dipole moment being ac vector quantity has both magnitude and direction. All bonding forces have dipole moment ranging from partially positive to negative moment.  

Net dipole moment is the dipole moment arising after summation of all the existing dipole moments. On the basis of dipole moment it is determined whether the molecule is polar or non polar.  

Hence, option c is correct

Answer:c

Explanation:

A gas was held at a constant temperature in a closed system. The initial
pressure of the gas was 1.20 atm, while its initial volume was 2.30 L. The
final volume of the gas was 1.50 L. What was the final pressure of the gas
to the nearest hundredth of an atmosphere?*

Answers

Answer:

1.84 atm

Explanation:

P2=V1P1/V2

Temp is irrelevant because it is constant, so all you have to do is rearrange the ideal gas law.

You can check this by knowing P and V at constant T have an inverse relationship and therefore makes this the correct answer.

- Hope that helps! Please let me know if you need further explanation.

High levels of carbon dioxide in the blood trigger which of the following responses in the body?
Select one:
a decrease in the production of sweat
a decrease in the speed of the pulse
an increase in the rate of breathing
an increase in the rate of digestion

Answers

An increase in the rate of breathing.

what is an example of a strong base?

HCl
NaCl
NaOH
HF

Answers

Answer:

The answer is NaOH

Explanation:

Strong bases are characterized by the fact that they dissociate completely in an aqueous solution. In this case, sodium hydroxide, NaOH, is classified as a strong base because it dissociates completely in an aqueous solution to form sodium cations, Na+, and hydroxide anions, OH−. Also, it is strong because it totally breaks in its ion. And the base which breaks totally in its atom called the strong base and which doesn't it that is a weak base.

Answer:

NaOH

Explanation:

Got it right in the test. Please mark as brainliest

Which of the following units could not be used to measure density?
O A. Kilograms per liter (kg/L)
B. Grams per milliliter (g/mL)
C. Pounds per cubic inch (lb/in)
D. Grams per cubic centimeter (g/cm3)

Answers

Answer: Pounds per Cubic inch(lb/in3)

What is the molarity of a solution in which 0.45 grams of sodium nitrate (NaNO3) are dissolved in 265mL of the solution?

A. 29.8M
B. 87.2M
C. 0.02M
D. 0.52M

Answers

Answer:

M=0.02

Explanation:

85 g NaNO3  -> 1 mol NaNO3

0.45 g NaNO3 ->x

x=(0.45 g NaNO3 * 1 mol NaNO3)/85 g NaNO3       x= 5.3 x 10^-3 mol

265 mL= 0.265 L

M= mol solute/ L solution

M= 5.3 x 10^-3 mol NaNO3/0.265 L            M=0.02

A pelican is born with a larger bill than other pelicans of the same species. When this pelican
breeds, some of its offspring also have larger bills. What is the most likely explanation for the
larger bills in the pelican and its offspring?


Inheritance of an quoted trait

A mutation

Natural selection

A change in diet

Answers

Answer:

natural selection

Explanation:

it is a biological selection of genes, whether dominant or negative.

5.UT
---Urut points)
Which of the following explains the process of radiation?
5.1
when heat gets transferred through electromagnetic waves that move through
space
5.1
when heat gets transferred through objects that are touching
5.1
when heat gets transferred through a liquid or a gas
O when the measurement of heat in the atmosphere goes down

Answers

Answer:

when heat gets transferred through electromagnetic waves that move through

space

Explanation:

Radiation refers to the movement of energy through space without a material medium of propagation.

Electromagnetic waves have the ability to travel through space without a material medium for propagation. For instance, the rays from the sun reach us on earth without any intervening medium. Heat from a furnace can affect an object some distance away from the furnace without an intervening medium.

These are all examples of radiation. Energy is propagated through space without the intervention of any material medium.

The amplitude of a wave is the vertical distance from the midpoint to either the crest or the
trough of the wave
True
False

Answers

Should be true
Please mark it as brainliest

sonar measures underwater distances by using?

Answers

Answer:

By using the speed of sound in water

Explanation:

(Which is about 1500 m/s in sea depending on the sea water density )

A weather forecast shows 35 m/h on the weather map. Which weather component does this number represent?

A.Humidity
B. Precipitation
C.Wind direction
D.Wind speed

Answers

The answer is d I think. Don’t quote me if I’m wrong

Answer:

D. Wind Speed

Explanation:

When the question brings up 35 m/h, the m/h stands for Miles per Hour. What option can you measure the miles per hour. Here's a hint, it applies to cars as well when cops give your parents speeding tickets. Miles per Hour = Speed. So, you are measuring the wind speed.

How many moles of gas fill a 2.2 L vessel with a pressure of 1.2 atm at 25.0 °C?

P=

V=

n=

R=

T=

Formula:

Answers

Answer:

Do you still need this answer? If you do i can provide it for you still

Thank you

What is the freezing point of a 2.00 m solution with phenol as
the solvent?

Answers

Answer: 26.1 C

Explanation: Trust me

Answer:26.1

Explanation:

I did the ck12

Explain why a small magnet will stick to a refrigerator door, but a nail will not stick.

Answers

Answer:

Magnets stick to the fridge door because, underneath the paint, the door is made of steel. Magnets are attracted to certain metals, and if the attraction is strong enough they can hold on even when upside down. ... This means that a magnet will always be attracted to the door. But an iron nail does not have any magnetic properties. So it doesnt get attracted.

Hope this helps, Pls mark as Brainliest!!

A small magnet will stick to a refrigerator door, but a nail will not stick

because magnets attract certain types of metals.

Magnets have a strong magnetic field which is why it attracts metals such

as iron and steel. The refrigerator must have been made with iron or steel

which was why the magnet stuck to it.

Metals such as aluminium and copper aren't attracted by magnets which is

why the nails weren't attracted as a result of it being made with metals which magnets don't attract.

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How are electrons similar and different to the planet Earth?

Answers

Answer:

The planets themselves are composed of several trillions or quadrillions or more atoms. As far as hard science is concerned, it would be really hard to picture them as electrons. Conclusion: It can be said with a great accuracy that our planets are NOT huge electrons.

Rutherford's experiments showed that the mass of atoms was mostly concentrated in a very small region, with charge equal to the atomic number- the nucleus. He absolutely did not show, nor is it true, that electrons orbit the nucleus as if they were planets. That was a guess people made in trying to figure out how to picture the atom.

(Hope this helps) Sky

's A pitcher contains 1 gallon of
lemonade. All of the lemonade will be
poured into 4 empty glasses. If an equal
amount is poured into each glass, how
much lemonade will be in the first glass?​

Answers

Answer:

1 quart of lemonade will be in the first cup

Explanation:

1/4th of a gallon is a quart

What improvements have been made in modern farming? Select all that apply.

1. machines can do more work over less time
2. better seeds sprout and grow much more quickly
3. trains can transport food over long distances faster
4. trains can transport the machines to rural farms once built
5. insecticides used to keep insects off the crops

Answers

Answer:

all of them except number 2

Explanation:

Answer:

1,3,4,5  the other perosn is correct

Explanation: That what my quiz said

Calculate the molarity of a KCl solution if 37.3 g of KCl are dissolved in water to give a
final solution volume of 500 ml.

Answers

The molarity of a KCl solution if 37.3 g of KCl are dissolved in water to give a final solution volume of 500 ml is 1 M.

What is Molarity?

Molarity of a given solution is known as the total number of moles of solute per litre of the solution.  A solution that is 1.00 molar (written 1.00 M) contains 1.00 mole of solute for every liter of solution.

Molarity = (No. of moles of solute ÷ Volume of solution in liters)

The unit of molarity is mol L⁻¹.

Molarity is temperature dependent because as temperature changes, volume of the solution also changes.

Given, Mass of KCl = 37.3 g

Molar mass of KCl = 74.5 g/mol

Volume of solution = 500ml = 0.5 L

No. of moles = Mass / Molar mass = 0.5

Molarity = 0.5/0.5 = 1 M

Therefore, The molarity of a KCl solution if 37.3 g of KCl are dissolved in water to give a final solution volume of 500 ml is 1 M.

Learn more about Molarity, here:

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An ion with a -2 charge has? A) one missing protein B) two missing protons c) two missing electrons D) two extra electrons

Answers

Answer:

D.

Explanation:

It would not be gain because it would say +6 instead of -2. Having a -2 charge means it wants to loose 2 electrons so it can form a full shell of 8 electrons. It wants to be inert (stable).

- Hope that helps! Please let me know if you need further explanation.

The correct answer is d

Write the beta decay equation for the following isotope: 91 38 Sr? Please write out steps

Answers

Answer:

[tex]\rm _{38}^{91}Sr \longrightarrow \, _{-1}^{0}e + \, _{39}^{91}Y[/tex]

Explanation:

The unbalanced nuclear equation is

[tex]\rm _{38}^{91}Sr \longrightarrow \, _{-1}^{0}e \, + \, ?[/tex]

Let's write the question mark as a nuclear symbol.

[tex]\rm _{38}^{91}Se} \longrightarrow \, _{-1}^{0}e \, + \, _{Z}^{A}X[/tex]

The main point to remember in balancing nuclear equations is that the sums of the superscripts and the subscripts must be the same on each side of the equation.  

Then

98 =  0 + A, so A =  98 -  0 = 98, and

38 = -1 + Z, so Z  = 38 + 1 = 39

Then, your nuclear equation becomes

[tex]\rm _{38}^{91}Sr \longrightarrow \, _{-1}^{0}e + \, _{39}^{91}X[/tex]

Element 39 is yttrium, so the balanced nuclear equation is

[tex]\rm _{38}^{91}Sr \longrightarrow \, _{-1}^{0}e + \, _{39}^{91}Y[/tex]

I need an answer ASAP!!

Answers

Answer:

C:

Explanation:

Current flows from negative to positive.So the electrons will be moving left.

when a current is applied, positive charged copper ions (called cations) leave the anode (positive electrode) and move to the cathode (negative electrode).

Why is wind named from where the wind is blowing from?

Answers

Winds are always named from the direction it blows from

Uneven heating of Earth's surface,in turn,causes differences in air pressure at various locations. Heated air rises,creating an area of low pressure beneath. Cooler air descends, creating an area of high pressure

EMERGENCY OR I WILL FAIL PLS HELP I WILL MARK BRAINLIEST!!!!

Answers

Answer:

1. sublimation

2.melting

3.melting  

4.sublimation

Explanation:

melting is a process when solid changes to liquid

Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.

What Le Chatelier’s factors cause an increase in the concentration of Hb(CO)4(aq) in the Hb(CO)4(aq) + 4O2(g)Hb(O2)4(aq) + 4CO(g)

Answers

Answer:

Explanation:

Hb(CO)4(aq) + 4O2(g)  ⇄  Hb(O2)4(aq) + 4CO(g)

1 )  If we increase the concentration of CO(g) , the reaction above will proceed in reverse direction to decrease its concentration,  according to Le Chatelier principle. Hence more of Hb(CO)4(aq) will be formed.

2 )  If we decrease the concentration of O₂ , then also , reaction will proceed in reverse direction . Hence concentration of Hb(CO)4(aq) will be increased .

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