please help me on this question plizzźzz

what is the green colouring matter found in plants called​

Answers

Answer 1

Answer:

the answer is chlorophyll....

Explanation:

if u need it's purpose just let me know

Answer 2

Explanation:

the green colouring matter found in plants is called chlorophyll.


Related Questions

Which statement best describes redox behavior in an electrochemical cell?
Electrons are produced at the copper rod.
Electrons flow from cathode to anode.
Reduction occurs at the zinc electrolyte.
Charges are balanced during redox.

Answers

Answer:

The last one

Explanation:

Charges are balanced in a redox reaction

which of the following represents a beta particle?

Answers

Answer:

[tex]{ \sf{A. \: \: { _{ - 1}{}^{0} e }}}[/tex]

A beta particle is an electron.

Explanation:

[tex]{ \tt{ {}^{4}_{2}He \: \: is \: an \: alpha \: particle.}} \\ { \tt{ \gamma \: \: is \: gamma \: rays}} \\ { \tt{ \alpha \: is \: same \: as \: alpha \: particle}}[/tex]

The beta particles are the high energy electron radiations, with the representation as  as [tex]\rm ^0_{-1}e[/tex].

What are nuclear reaction radiations?

The nuclear radiations result in the release of the mass in the form of varying types of particles. The particles ejected in nuclear reaction are alpha, beta, or gamma particles.

Beta particles are high energy particles with the presence of negative charge with the loss of electron.

The beta particle can be represented as [tex]\rm ^0_{-1}e[/tex]. Thus, option A is correct.

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The elements in groups 1A, 6A, and 7A are called, __________, respectively. Group of answer choices alkaline earth metals, halogens, and chalcogens alkali metals, chalcogens, and halogens alkali metals, halogens, and noble gases alkaline earth metals, transition metals, and halogens halogens, transition metals, and alkali metals

Answers

Answer:

1A Alkali Metals

6A Chalcogens

7A Halogens

Answer:

alkali metals, chalcogens, halogens

Explanation:

Group 1A is alkali metals

Group 6A is chalcogens

Group 7A is halogens

PLZ HELP ME WITH MY WORK
Which is an example of using a physical model to represent an earthquake?
O A. Using a computer to measure what happens during an earthquake
O B. Thinking of an earthquake as someone jumping on the bed next to YOU
C. Calculating the movement of the ground during an earthquake
O D. Shaking a cake that has models of buildings on it SUBMIT​

Answers

Answer:

D. Shaking a cake [...]

Explanation:

None of the rest are actual physical models representing earthquakes.

Hope that's right! :D

What is reduced in the reaction below?
2H2 + 02 → 2H20
A. H20
B. 02
C. Reduction does not occur.
D. H2
SUBMIT

Answers

Answer:

[tex]{ \underline{ \sf{O _{2} \: is \: reduced}}}[/tex]

Explanation:

Reduction means when a reactant loses oxygen or gains hydrogen.

In the equation:

Hydrogen molecule, it neither gains nor loses hydrogen, but it gains oxygen. so :

[tex]{ \sf{H _{2} \: is \: excluded}}[/tex]

Oxygen molecule loses one oxygen atom, and gains four hydrogen atoms, hence it is reduced.

Fe + HNO₃ -> Fe(NO₃)2 + H₂​

Answers

Fe + 2HNO3 -> Fe(NO3)2 + H2

What is required for dynamic equilibrium?
A. A closed system.
B. The forward and backward reactions occur under the same conditions.
C. A reversible reaction.
D. All of these

Answers

Answer:

A. all of them

Explanation: Edtell

describe two ways in which gases are similar to liquids in properties​

Answers

Answer:

they have weak intermolecular forces

What is the purpose of a catalyst in the production of hydrogen?
Select the correct answer.
- to increase the rate at which water molecules decompose
- to decrease the amount of oxygen produced
- to decrease the temperature of the reaction
- to increase the activation energy of the reaction

Answers

The purpose of a catalyst in the production of hydrogen is to increase the rate at which water molecules decompose.

What is a catalyst-A catalyst is a substance that increases the rate of a chemical reaction without itself being consumed or produced during the reaction. As a result, catalysts assist in speeding up chemical reactions while also decreasing the amount of energy needed for the reaction to occur. In hydrogen production, catalysts are used to speed up the decomposition of water into hydrogen and oxygen. The use of catalysts lowers the activation energy required for the reaction to occur, resulting in a faster reaction rate and lower operating temperatures.What is the process of hydrogen production?Hydrogen production has various methods, and one of the most commonly used methods is water electrolysis. In this method, water molecules are split into hydrogen and oxygen using an electric current passed through an electrode. Water is broken down into hydrogen and oxygen during the process, with the assistance of a catalyst. During this process, a catalyst like platinum or nickel is employed to speed up the chemical reaction of water decomposition.

When an electric current is applied to the catalyst, water molecules are broken apart, releasing hydrogen and oxygen atoms.Catalysts lower the activation energy of the reaction, allowing it to occur faster than it would otherwise. In hydrogen production, catalysts are crucial since they enable the reaction to occur at a lower temperature, reducing energy consumption and minimizing operating costs. As a result, the use of catalysts is essential to the production of hydrogen.

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What produces the large amount of energy released by a nuclear reaction?
A. the "disappearance" of a small number of electrons.
B. the "creation" of a small amount of mass.
c. the "disappearance" of a small amount of mass.
D. the "creation" of a small number of electrons.

Answers

Fusion power is the power generated by nuclear fusion processes. In fusion reactions, two light atomic nuclei fuse together to form a heavier nucleus. In doing so, they release a comparatively large amount of energy that arises from the binding energy, creating an increase in temperature of the reactants.

Answer: C the “disappearance” of a small amount of mass.

Explanation:

Define symbol and compound with an exomple.​

Answers

Symbol: A symbol is a mark, sign, or word that indicates, signifies, or is understood as representing an idea, object, or relationship. For example, a red octagon is a common symbol for "STOP"; on maps, blue lines often represent rivers; and a red rose often symbolizes love and compassion.

Compound: a thing that is composed of two or more separate elements; a mixture.
For Example: water (H2O), salt (sodium chloride, NaCl), methane (CH4).

"Every action force creates a reaction force that is equal in strength and opposite in direction." This statement summarizes Newton's

Answers

Answer: Newton's Third Law of Motion.

Explanation:

Newton's Third Law of Motion simply states that every action force creates a reaction force and then, this reaction force will be equal in strength and opposite in direction.

The statement simply implies that in every interaction, there will be a pair of forces that is acting on the two interacting objects. An example of Newton's third law of motion can be seen when a person jumps, thenlegs of the person will apply a force to the ground which will then propel the person into the air.

ASAP
The concentration of reactants and products and the rate of reaction were measured during a chemical reaction. After the first 3 seconds, the rate of reaction was 1.8 x10−6 M/s. Which of the following would explain a lower rate after another 3 seconds?

A - The concentration of reactants increased while the concentration of product decreased.
B - The concentration of reactants decreased while the concentration of product increased.
C - All concentrations of reactants and products decreased.
D - All concentrations of reactants and products increased.

Answers

Answer:

B

Explanation:

During the first half of the reaction there was an increase in the rate of reaction due to the high concentration of the reactants. But as the reaction continues we witness a decrease in the amount of reactants which lowers the rate.

Answer:

B.  The concentration of reactants decreased while the concentration of product increased.

Explanation:

took the test :)

Sodium is dissolved under kerosene oil or paroffin to protect it from the air. 3) State. Huckle's rule for aromaticity with example. How does benzene react with Chlorine in presense of Sun light​

Answers

Answer:

His rule states that if a cyclic, planar molecule has 4n+2 π electrons

distinguish between sugar and non-sugar with examples.

Answers

Answer:

Reducing sugars are sugars where the anomeric carbon has an OH group attached that can reduce other compounds. Non-reducing sugars do not have an OH group attached to the anomeric carbon so they cannot reduce other compounds. ... Maltose and lactose are reducing sugars, while sucrose is a non-reducing sugar

At 35.0°C and 3.00 atm pressure, a gas has a volume of 1.40 L. What pressure does the gas have at 0.00°C and a volume of 0.950 L?

Answers

Answer:

im just a child

Explanation:

Select the correct answer.
AB and BC form a right angle at point B. If A = (-3, -1) and B = (4, 4), what is the equation of BC?
A. x + 3y = 16
B. 2x + y = 12
C. -7x − 5y = -48
D. 7x − 5y = 48

Answers

The answer to your question the equation of the line BC is C [tex]-7x - 5y = -48[/tex]

Since AB and BC form a right angle at point B, it means that AB is perpendicular to BC.

To find the equation of BC, we first need to find the gradient of BC.

Let m be the gradient of AB and m' be the gradient of BC, since AB is perpendicular to BC, mm' = -1. Thus m' = -1/m

So, we need to find the gradient of AB and thus find the gradient of BC.

To find the gradient of AB, we use the equation for the gradient of a line in slope-point form. Having point A = (x₁, y₁) = (-3, -1) and point B = (x₂, y₂) = (4, 4).

[tex]m = \frac{y_{2} - y_{1} }{x_{2} - x_{1}}[/tex]

Substituting the values of the variables into the equation, we have

[tex]m = \frac{4 - (-1) }{4 - (-3)}[/tex]

[tex]m = \frac{4 + 1 }{4 + 3}[/tex]

[tex]m = \frac{5}{7}[/tex]

Since m' = -1/m

m' = -1 ÷ 5/7

m' = -7/5

Since we know the gradient of the line BC and the line BC passes through the point B = (4, 4) = (x₂, y₂) we find the equation of the line BC using the equation of a line in slope-point form.

[tex]m' = \frac{y - y_{2} }{x - x_{2}}[/tex]

[tex]-\frac{7}{5} = \frac{y - 4 }{x - 4}[/tex]

cross-multiplying, we have

[tex]-7(x - 4) = 5(y - 4)[/tex]

Expanding the brackets, we have

[tex]-7x + 28 = 5y - 20[/tex]

Subtracting 28 from both sides, we have

[tex]-7x = 5y - 48[/tex]

Subtracting 5y from both sides, we have

[tex]-7x - 5y = -48[/tex]

So, the equation of the line BC is [tex]-7x - 5y = -48[/tex]

The answer to your question the equation of the line BC is C [tex]-7x - 5y = -48[/tex]

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Answer:

its C

Explanation:

Xà phòng hoá hoàn toàn 22,2g hỗn hợp gồm 2 este HCOOC2h5 và ch3cooch3 bằng dung dịch naoh 1m ( đun nóng) thể tích dung dịch naoh tối thiểu cần dùng là

Answers

Answer:

I can't understand your language? can you write in English

I'm sorry

Two unknown white, lustrous minerals were tested for hardness and streak. Both had a hardness of 4, and had a white streak. What can you conclude from these tests?

Answers

Answer: Fluorite

Explanation: Minerals are naturally occurring inorganic materials with definite chemical compositions and definite physical properties. Hardness and Streak are both physical characteristics used in identifying minerals. The colour of a mineral’s powder defines its streak (it does not change from mineral to mineral) and a streak of white shows that such mineral has a calcium fluoride making it a fluorite.  To check streak, one simply scrapes the mineral across an unglazed porcelain plate.

Hardness on the one hand, is the resistance to cutting, scratching, abrasion or indentation of minerals.  Mineral hardness is specified by the Mohs hardness scale when working with hand samples, and the scale ranges from 1 (very soft like talc) to 10 (as hard as diamond). A hardness of 4 also put such mineral into the fluorite range indicating that it is harder than calcite, but softer than feldspar.

In conclusion, the tests show that the mineral in question is a fluorite.

PLEASE URGENT HELP!! 30 POINTS!!!!!!

Answers

Answer:

CH³–C=CH——CH³–CH=CH²

Explanation:

THIS IS PROPYNE TO PROPENE

Please tell me the answer of what is unit? ​

Answers

Answer:

a quantity chosen as a standard in terms of which other quantities may be expressed.

Explanation:

Explanation:

Unit is a standard physical quantity defined and adopted by convention,with other quantity of same kind.

Wich one is it - this is biochemistry

Answers

Answer:

O=O is not a compound; it's a molecule.

Answer:

it is O double bond

Explanation:

because it is not attached with another different molecule like Hydrogen Carbon Sulfur etc. H2O or CO2(these are compounds)

: Axit sunfurơ (H2SO3) là axit yếu, ngay trong dung dịch H2SO3 cũng bị phân hủy thành chất X và H2O. X là:
A. H2S B. SO2 C. H2SO4 D. SO3

Answers

Answer:

DD

Explanation:

Consider two gases, A and B, which are in a container at room temperature. What effect will the following changes have on the rate of the reaction between these gases?


The temperature is decreased at a constant volume.

A. Increase
B. Decrease

Answers

Answer:

A. The rate of reaction will increase or go up

B. The rate of reaction will decrase or go down.

Explanation:

Increasing the temperature will make the gas particles move faster. Faster movement will increase rate of collision between particles to cause a reaction. Decreasing the temperature will cause the opposite to happen.

57:17
A ball that has a mechanical energy of 65 J has 12 J of kinetic energy. The ball has blank
energy.
J of potential energy

Answers

Answer:

53 Joules

Explanation:

Applying the law of conservation of mechanical energy.

Law of conservation of mechanical energy: States that energy although, energy can not be transformed from one form to another, the total energy of the system remain the same.

I.e,

Mechanical Energy = E.K+P.E..................... Equation 1

Where E.K = Kinetic energy, P.E  = Potential energy.

From the question,

Given: Mechanical energy = 65 Joules, K.E = 12 J

Substitute these values into equation 1 and solve for P.E

65 = 12+P.E

P.E = 65-12

P.E = 53 Joules

Determine the mass in grams of 3.60 mol of H2 SO4

Answers

Answer:

Explanation:

There are 353 grams of H2SO4 in 3.60 moles of H2SO4.

the element of group 1 hour reactive but those of group 18 are inert, why?​

Answers

Answer:

The noble gases (Group 18) are located in the far right of the periodic table and were previously referred to as the "inert gases" due to the fact that their filled valence shells (octets) make them extremely nonreactive.

what is the gram formula of na2co3

Answers

Answer:

106 gfm

Explanation:

element. number masses

Na. 2 23×2

C. 1. 12

O. 3. 16×3

then add

106 gfm

Can someone do these? Brainliest included

Answers

Answer:

Explanation:

6.         p⁺      e⁻

Ca²⁺    20     18

F⁻          9      10

O²⁻        8      10

Na⁺       11      10

7. Physical properties of matter are properties that can be measured or observed without matter changing to an entirely different substance. These include odor, boiling point, melting point, density, electrical conductivity and heat conductivity.

Separation of mixture:

Chromatography involves solvent separation on a solid medium.

Distillation takes advantage of differences in boiling points.

Evaporation removes a liquid from a solution to leave a solid material.

Filtration separates solids of different sizes.

Funnel partitioning with solvents. Solvent dissolves one component but not the other.

8.Bulk Elements => Carbon, Hydrogen, Oxygen, Nitrogen, Sulfur & Phosphouous

Microminerals are those minerals needed in less than 100 mg quantities. Trace minerals or trace elements are usually needed in microgram quantities. Microminerals include iron, zinc, copper, iodine, fluoride, chromium, cobalt, selenium, manganese, and molybdenum.

Diatomic Molecules => H₂, N₂, O₂, F₂, Cl₂, Br₂, I₂

9. Electron Configurations

    Na: 1s²2s²2p⁶3s¹ => valence = 3s¹

    N:   1s²2s²2p³ => valence = 2s²2p³

    Al:  1s²2s²2p⁶3s²3p¹ => valence = 3s²3p¹

Valence is the highest principle quantum number (or, principle energy level  ~ ring) in the electron configurations.

10.moles of glucose = 450g/180.16 g/mol =2.50 moles

   C₂H₆O₂ = 2(12) + 6(1) + 2(16) = 24 + 6 + 32 = 62 g/mole

1. In regards to curly hair, which of the following statements
are TRUE? (select 2 answer choices).
A. Curly hair develops over time. It is not acquired at birth.
B. Curly hair can lead to harmful mutations in the body.
C. Curly hair results from a change in the gene that
codes for hair structure.
D. People with curly hair have different hair protein structures than people with
straight hair.
Answer here:

Answers

Answer:

A and D are the answers

Explanation:

the other two don't make sense

The statements C and D are correct, i.e., curly hair have different protein structure from straight hair and curly hair results from a change in the gene.

What is protein?

Proteins are biomolecules made of amino acids. Proteins are very essential to all living things and contributes the body structure. Proteins are mainly up taken through diet and they are the main source of energy.

Hair is made of keratin protein. Keratin makes up our skin and nails too.Curly hair is originating by birth not developing over time. Curly hair is more likely to be occurring through inheritance.

The protein structure the hair follicle is some more bend for curly hair. Curly hair and straight hair originates from different gene traits. The gene type is inherited from the parents.

Hence, for people with curly hair have different protein structure and it result from a change in gene that code for hair structure. Thus options C and D are correct.

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