Statement 1: The reaction follows the mass energy equation E= mc". Statement 2: A large amount of energy is produced during the reaction.
Which statement(s) are true for both fusion and fission reactions? (1 point)
a. Only 1
b. Only 2
c. Both 1 and 2
d. Neither 1 nor 2

Answers

Answer 1

Answer:

Neither

Explanation:

Answer 2

The statements are true for both fusion and fission reactions are the fission is the breaking of a heavy, unstable nucleus into two lighter nuclei, and fusion is the process where two light nuclei join together releasing large amounts of energy. Therefore, option D is correct.

What do you mean by fission ?

The term fission is defined as when a neutron slam into a larger atom, forcing it to excite and split into two smaller atoms.

Additional neutrons are released, which can set off a chain reaction. A tremendous amount of energy is released when each atom splits.

When a neutron strikes an atom of uranium-235, it splits into two lighter nuclei, krypton and barium.

Both fission and fusion reactions involve the conversion of some mass into energy in order to form a new nucleus or nuclei, which requires some nuclear binding energy.

Thus, option D is correct.

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Related Questions

Pls help I dont get science so pls help me

Answers

Is there more to this? Was this an entire experiment and do you have pictures of it?

The phase of matter most likely to be present at absolute zero would be:

A)
plasma
B)
gas
C)
liquid
D)
solid

Answers

Answer:

D solid

Explanation:

If you added an excess of sodium phosphate dodecahydrate to 4.512 g barium chloride dihydrate, how many grams of barium phosphate could you synthesize

Answers

Answer:

3.35g of Ba3(PO4)2

Explanation:

The balanced chemical equation is given as;

3 BaCl2 + 2 Na3PO4 → 6 NaCl + Ba3(PO4)2

Fro the reaction;

3 mol of BaCl2 (624g) reacts wth 2 mol of Na3PO4 (327.88g) to form 1 mol of Ba3(PO4)2 (601.93g)

Since Na3PO4 is in excess, the limiting reactant is; BaCl2. It would determine how much of Ba3(PO4)2 is formed.

624g of BaCl2 = 601.93g of Ba3(PO4)2

4.512g of BaCl2= xg of Ba3(PO4)2

x = 4.512g * 601.93g / 624g

x = 3.35g of Ba3(PO4)2

The mass of barium phosphate synthesized is 3.612 g.

The equation of the reaction is;

3 BaCl2.2H2O + 2 Na3PO4.12 H2O → 6 NaCl + Ba3(PO4)2 + 14H2O

Molar mass of barium chloride dihydrate = 244.26 g/mol

The number of moles of barium chloride dihydrate =  4.512 g/244.26 g/mol

= 0.018 moles

From the balanced reaction equation shown;

If 3 moles of barium chloride dihydrate yields 1 mole of  barium phosphate

0.018 moles of  barium chloride dihydrate yields 0.018 moles × 1 mole/3 moles

= 0.006 mole of barium phosphate

Mass of barium phosphate = 602 g/mol × 0.006 mole

= 3.612 g

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A solution that holds more solute than it normally can under the conditions at a given temperature is _____. supersaturated unsaturated saturated diluted

Answers

Answer:

Supersaturated !

Explanation:

Photons are emitted as electrons in the atom jump up in energy. true or false?

Answers

Answer:

true

Explanation:

photons are emitted when electrons move from from a lower energy level to a higher energy level

When all colors of light are absorbed, what do you see?

Black
Orange
Pink
Yellow

Answers

Answer:

Black

Explanation:

hope it helps

have a nice time ..,

What was the average speed of the truck for this trip?

Answers

Answer:

31.67 mph

Explanation:

To calculate the average speed of the truck, we must first obtain the total distance travelled by the truck followed by the total time taken for the truck to cover the distance travelled.

The following data were obtained from the question include:

Total distance) = 30 + 45 + 50 + 65 = 190 miles

Total time = 1 + 2 +1 +2 = 6 hours

Average speed =.?

Average speed = Total distance / Total time

Average speed = 190 /6

Average speed = 31.67 mph

Therefore, the average speed of the truck is 31.67 mph

Which phrase is not an example of intercellular communication?

A chemical messengers dock onto receptors of adrenal gland

B chemical signal from pituitary gland to adrenal gland

C electrical signals pass between heart cells

D a vesicle encloses over a nutrient molecule

Answers

Answer: The answer is D

Explanation: I took the quiz just now and got it right

The correct answer is:

D.(a vesicle encloses over a nutrient molecule)

I took the test, hope this helps!

At what time was the frog sitting still or at rest

Answers

Answer:

What are the times and is that your question?

Explanation:

30 POINTS
Why would a scientist revise a model? (choose the best answer)
Group of answer choices

to cover up evidence from a previous experiment

to show off to other scientists

to add unnecessary details to the model

in order to better explain what is happening during a phenomenon

When modeling it is important to (pick two)
Group of answer choices

show beginning, middle and end if it fits the phenomenon

only use one color

make sure there is only drawings and nothing written

use zoom in bubbles to show the unobservable

Which of the following is NOT a limitation of a model
Group of answer choices

inaccurate colors

the type of material used to create the model

a messy model

shapes that are an approximation

Answers

Answer:

First Question: in order to better explain what is happening during a phenomenon

Second Question: show beginning, middle and end if it fits the phenomenon; use zoom in bubbles to show the unobservable

Third Question: the type of material used to create the model

Explanation:

First Question: You would not revise a model to "cover up evidence," that's scientifically immoral and should not be done, and showing off to other scientists is not the point of revising something.

Second Question: You should use more than one color to differentiate different parts of the model, but don't overwhelm it with color. There should be some labels in the model, so some writing is necessary.

Third Question: Inaccurate color representation does not technically limit a model unless color scheme is important, so this could be an answer, but not likely. A messy model limits a model because it makes it hard to read. Approximating shapes is a limitation because it portrays an incorrect representation of what system the model is of. The type of material used to create the model is most likely the right answer.

What type of bond is present between two atoms of zinc in a nickel

Answers

Answer:

Pure covalent

Explanation:

To know the type of bond between two atoms you must find the electronegativity difference of them:

If electronegativity difference is:

< 0.4: Pure covalent.

Between 0.4 and 1.8: Polar covalent.

> 1.8: Ionic.

The electronegativity of Zn is 1.65 and Ni is 1.91. Electronegativity difference is:

1.91 - 1.65 =  0.26

That means the type of bond is:

Pure covalent

A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the door of the cabinet says the cabinet is used to store bottles of pentane, tetrahydrofuran, carbon tetrachloride, methyl acetate, and ethanolamine. The chemist plans to try to identify the unknown liquid by measuring the density and comparing to known densities. First, from his collection of Material Safety Data Sheets (MSDS), the chemist finds the following information: liquid density pentane tetrahydrofuran carbon tetrachloride methyl acetate ethanolamine Next, the chemist measures the volume of the unknown liquid as and the mass of the unknown liquid as . Calculate the density of the liquid. Round your answer to significant digits. Given the data above, is it possible to identify the liquid

Answers

Answer:

The liquid can be identified

Explanation:

Given that density is defined as mass per unit volume.

We have the following information regarding the unknown liquid;

Mass= 1.40 kg = 1400 g

Volume = 1378 cm^3 = 1378 ml

Density of unknown liquid = 1400/1378 = 1.012 g/ml this is approximately 1.0 g/ml

It is possible to identify the liquid, the liquid is ethanolamine

Need help ASAP..... (0.567 liters of H2O is how many moles of H2O? HINT: 1 mL H20 = 1 gram
H20)

Answers

Answer:

31.5 moles

Explanation:

Volume of H2O = 0.567 L

Number of mole of H2O =.?

Next, we shall convert 0.567 L to millilitres (mL). This can be obtained as follow:

1 L = 1000 mL

Therefore,

0.567 L = 0.567 L × 1000 mL / 1 L

0.567 L = 567 mL

Thus, 0.567 L is equivalent to 567 mL.

Next, we shall convert 567 mL to grams (g). This can be obtained as follow:

1 mL of H2O = 1 g

Therefore

567 mL of H2O = 567 g of H2O

Finally, we shall determine the number of mole in 567 g of H2O. This can be obtained as follow:

Mass of H2O = 567 g

Molar mass of H2O = (2×1) + 16

= 2 + 16 = 18 g/mol

Mole of H2O =?

Mole = mass /Molar mass

Mole of H2O = 567 /18

Mole of H2O = 31.5 moles

Predict: Note the type of reaction you expect for the reactants Kl and Pb(NO3)2

Answers

Answer:

double replacement

Explanation:

just did it

Answer:

Double replacement

Explanation:

Photosynthesis happens in the _____
O: lower epidermis
O: upper epidermis
O: palisade layer
O: spongy layer

Answers

O: palisade layer and please answer the question I am gonna post right now pleaseeee

illustrate the respiratory system​

Answers

I hope this has the information that you need

Which would most likely be the pH of a highly-corrosive acid? 1 5 8 11

Answers

Answer:

it is 1 because of it is below 7 then it will be dangerous for humans

The pH of the highly corrosive acid, given the data from the question is 1

What is pH ?

This is simply a measure of the acidity / alkalinity of a solution.

The pH measures the hydrogen ion concentration while the pOH measures the hydroxide ion concentration

pH scale

The pH scale is a scale that gives an understanding of the variation of the acidity / alkalinity of a solution.

The scale ranges from 0 to 14 indicating:

0 to 6 indicates acid 7 indicates neutral 8 to 14 indicate basic

NOTE: The lesser the pH of a substance, the more acidic (corrosive) it is and the greater the pH of the substance, the less acidic (corrosive) it is.

With the above information about pH, we can conclude that the pH of the highly corrosive acid, given the data is 1

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3.) Why is argon (Ar) larger than neon (Ne)?​

Answers

Answer: Here u go!

Explanation:

The electron cloud of argon is thus larger and more polarized, able able to express mawr inter molecular forces Vander Waals forces, which results in a higher boiling point due to these increase forces. Due to this, the boiling point of argon is higher are gone. We can see its boiling point is 87.2 Kelvin's, whereas a neon and spoiling point is 24.5.

Hope this helps!

Explanation:

Argon has an atomic number of 18, while neon has an atomic number of 10.

The atomic radius is comprised of the atom’s nucleus and electron cloud. As you go down on the periodic table, the effective nuclear charge decreases. This results in more screening of the electrons

from the nucleus (decreasing the attraction between the nucleus and the electrons) resulting in a larger atomic radius.

However, because they’re both noble gasses, the size difference in this case can be easier described by the number of particles in each atom.

Argon has 18 protons, 18 electrons and 22 neutrons.

Neon has 10 protons, 10 electrons and 10 neutrons.As you can see, argon has more “stuff.”

The increase in protons and electrons in particular results in a larger electron cloud, which means a much larger atomic radius than in neon.

i hope it helps u :)

Which of the following is an example of a pure substance?
A. beer
C. halo-halo
B. ethyl alcohol
D. silver spoon​

Answers

Sliver spoon is an example of a pure substance

A sample is left on the desk over several hours. On examination, the crystals appear moist, andliquid is forming around them. The compound is classified as:

a. Stableb.
b. Deliquescent
c. Efflorescentd.
d. Hygroscopic

Answers

Answer:

c. Efflorescent

Explanation:

Some hydrated salts, when exposed to the atmosphere, give off part of all of their water of crystallization spontaneously to form a lower dehydrated or anhydrous salt. Such salts are known as efflorescent and the phenomenon is called Efflorescence.

Efflorescence occurs when the hydrate's aqueous vapor pressure is greater than the water vapor's partial pressure in the air. For example, because the vapor pressures of washing soda (Na2CO3·10H2O) and Glauber's salt (Na2SO4·10H2O) normally exceed that of the water vapor in the atmosphere, these salts effloresce (i.e., lose all or part of their water of hydration), and their surfaces assume a powdery appearance.

What is the function of the esophagus?

Answers

The esophagus functions primarily as a transport tube that directs the progression of food and fluids from the mouth to the stomach.

The function of the esophagus is to help with food consumption (correct me if I’m wrong)

The purpose for witch something is designed or exists

Answers

Answer:

to help

Explanation:

to help

Which reason best explains why metals are malleable?
A. because they have delocalized electrons
B. because they have localized electrons
C. because they have ionic bonds
D. because they have rigid bonds

Answers

Answer:

A

Explanation:

because they have delocalized electrons

Metals are malleable because they have delocalized electrons which are capable of forming ionic bonds.

What is an ionic bond?

Ionic bond or electrovalent bond is a type of bond which is formed between two elements when there is an exchange of electrons which takes place between  the atoms resulting in the formation of ions.

When the atom looses an electron it develops a positive charge and forms an ion called the cation while the other atom gains the electron and develops a negative charge  and forms an ion called the anion.

As the two atoms are oppositely charged they attract each other which results in the formation of a bond called the ionic bond.Compounds having ionic bonds are malleable and have high melting points.They are also brittle in nature.

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In models of molecules, spheres of different colors and
sizes represent different types of atoms.
Which model shows a molecule of a substance that is made up of three
elements?

A
B
C
Or
D ?

Answers

Answer:

D

Explanation:

According to this question, each model of molecules in the options contains spheres of different colors and sizes representing different types of atoms. The atoms of the same element are the spheres of same color and size while atoms of different element are of different color or size.

Therefore, the model showing a molecule of a substance that is made up of three elements is model D because it is made up of three distinct spheres representing atoms of each element.

- The red sphere is the atom of the first element

- The big dark sphere is the atom of the second element

- The small white sphere is the atom of the third element

Answer:

D

Explanation:

What is the law of conservation of matter?
A.Matter can never be changed.
B.Matter can never mix or rearrange.
C.Matter cannot be created or destroyed.
D.matter will always break down.

Answers

Considering the definition of the law of conservation of matter, the law of conservation of matter establishes that matter cannot be created or destroyed (option C).

Law of conservation of matter

The law of conservation of matter holds that, within a closed system, the amount of matter involved in a chemical reaction is constant, meaning a closed system means an environment that isolates the components involved in the reaction from the outside.

In other words, this law establishes that the mass of the reactants consumed is equal to the mass of the products obtained, even though they have been transformed into each other.

In other words, the law of conservation of matter states that matter is neither created nor destroyed during a chemical reaction, it is only transformed.

Summary

In summary, the law of conservation of matter establishes that matter cannot be created or destroyed (option C).

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14. Identify the type of reaction: Pb + 2 AgCl → 2 Ag+ PbCl2
a. Combination/synthesis
b. Decomposition
c. Double replacement
d. Single replacement

Answers

Single displacement!

Sanjay is learning about the elements that make up Earth’s crust. Ms. Richards, his Earth science teacher, gives him an element and asks him to determine which element from Earth’s crust it is. She also provides Sanjay with this table. Sanjay weighs the element and finds that it has a mass of 17.98 g. By placing the element in water, he determines the volume of the substance to be 2.2835 mL.

Based on the table from Ms. Richards, what element from Earth’s crust did Ms. Richards gave to Sanjay?
A) iron
B) calcium
C) aluminum
D) silicon

Answers

Answer:

Iron

Hope this helps! Stay safe!

(Plz vote me as brainliest)

Answer:iron

Explanation:


List the factors that cause low oxygen levels.

Answers

Answer:

Common causes of hypoxemia include:

Anemia.

ARDS (Acute respiratory distress syndrome)

Asthma.

Congenital heart defects in children.

Congenital heart disease in adults.

COPD (chronic obstructive pulmonary disease) exacerbation — worsening of symptoms.

Emphysema.

Interstitial lung disease

and many more.....

When ignited, a uranium compound burns with a green flame. The wavelength of the light given off by this flame is greater than that of _____.

Answers

Answer:

Ultraviolet light.

Explanation:

Uranium is a natural radioactive chemical element with the chemical symbol "U" and an atomic number of 92. Uranium is used for generating nuclear fuels which are typically used in powering atomic bombs and nuclear reactors in the field of electricity generation.

When ignited, a uranium compound burns with a green flame. The wavelength of the light given off by this flame is greater than that of ultraviolet light which typically ranges from 100nm to 400nm. Where, nm is represents nanometer.

Basically, when ignited, a uranium compound burns with a green flame having a wavelength of 4.30 x 10^-7m to 5 x 10^-7m.

What does the name "atom" mean in
Greek?

Answers

It means indivisible

Answer:

The Greek root of atom is atomos, which means "indivisible," since the scientists who first gave the atom its name imagined it couldn't be split or divided into smaller pieces.

Explanation:

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Changes in the periodic table from 1800's to the present are based on all BUT ONE of these factors.A)peer reviewB)empirical dataC)fact verificationD)journal publication A balance in the body is called? 8 is subtracted from the square of a number. what is the fraction of 1578 simplify the expression (3/5)^3 Domain?Range?Function? Find the quotient.546 What does Libber means? 75 g of a metal is heated to a temperature of 99C. The metal is then placed in a calorimeter containing 145 g of water at a temperature of 25C. The temperature of the water in the calorimeter increase to a final temperature of 28C. What is the specific heat of the metal? Find the value of the expression 3m2 + 2p2 15 when m = 3 and p = 10. (5 points)A.) 27B.) 200C.) 212D.) 225 is this a balanced equation yes or no?Na(g)+2HCl(g)H2+2NaCl(s) giving 70 points please help I only have 20 minutes to get It....... 1.Who is the speaker 2. How does the speaker describe her life in the first several lines 3.What would it be like to climb a strange stair case in the darkMother to son poem Hilary sells bottled water from a small stand by the beach. On the last day of summer vacation, many people are on the beach, and Hilary realizes that she can make a lot more money this day if she hires someone to walk up and down the beach selling water. She finds a college student named Edison and makes him the following offer: They'll each sell water all day and split their earnings (revenue minus the cost of water) equally at the end of the day. Hilary knows that if they both work hard, Edison will earn $90 on the beach and Hilary will earn $240 at her stand, so they will each take home half of their total revenue: If Edison shirks, he'll generate only $60 in earnings. Hilary does not know that Edison estimates his personal cost (or disutility) of working hard as opposed to shirking at $30. Once out of Hilary's sight, Edison faces a dilemma: work hard (put in full effort) or shirk (put in low effort).In terms of Edison's total utility, it is worse for him to ____(work hard or shirk). Taking into account the loss in utility that working hard brings to Edison, Hilary and Edison together ___ (are or are not) better off if Edison shirks instead of working hard.Hilary knows Edison will shirk if unsupervised. She considers hiring her good friend Carrie to keep an eye on Edison. The most Hilary should be willing to pay Carrie to supervise Edison, assuming supervision is sufficient to encourage Edison to work hard, is ____ .a. 55.b. 30.c. 25.d. 20.It turns out that Hilary's friend Carrue is unavilable that day, so Hilary cannot find a reliable person to watch Edison. Which of the following arrangements will ensure that Edison works hard without making Hilary any worse off than she is when Edison shirks?A. Pay Edison $20, regardless of how many bottles of water he sells.B. Allow Edison to keep 75% of the revenue from the bottles of water he sells instead of 50%.C. Allow Edison to keep 57% of the revenue from the bottles of water he sells instead of 50%.D. Make Edison promise to work hard. MARKING BRAINLIEST sports car accelerates from rest to 26.8 m/s (roughly 60 mi/h) in 5.1 seconds. What is the acceleration of the car?One minute after takeoff, a rocket carrying the space shuttle into outer space reaches a speed of 447 m/s. What was the average acceleration of the rocket during that initial minute? Please match the correct person to what they did. Question 7 options: A Puritan Minister banished from Massachusetts for his beliefs and tolerance of other religions and Native Americans. Started the colony of Providence that became the capital of Rhode Island. was hanged for speaking up and not following Puritan rules. spoke against the approved message of the church and was banished from the Massachusetts Colony 1. Roger Williams 2. Anne Hutchinson 3. Mary Dyer this is sience Question 5 (5 points)Which of the following technologies was a reason for the increasing urbanpopulation in the late 1800s?-Radio-Television-Electricity-Shipping HURRY!!! NEED IT FAST ! WILL MARK BRAINLIEST!!! What are the speaker's Reflection on the topic? Select the correct answer.Which property of equality was used to solve this equation?x 5 = -14x 5 + 5 = -14 + 5x = -9A. addition property of equalityB. subtraction property of equalityC. multiplication property of equalityD. division property of equality