plz help with this........​

Answer:

See explanation

Explanation:

A gene mutation can be defined as a permanent change in the DNA sequence that composes a gene, resulting in the observation that the sequence differs from what is obtainable in most individuals that make up the  population. Mutations range from a change in a single DNA building block (change in the sequence of base pairs) to changes in a large segment of a chromosome that includes multiple genes.

Mutation in the color of the wings of the housefly can be passed on to the next generation. If this trait enhances survival of the butterflies, the orange winged butterflies will eventual become extinct and become entirely replaced by the white winged butterflies. This implies that gene pool has been completely modified.

If same kind of mutation of pigmentation of wings is observed in the butterfly then they will result in a white butterfly.

If a gene of the DNA get damaged or changes in such a way that it also results in the changing of genetic message carried by that gene and this process is known by the name of mutation.

In the given question by breeding orange butterfly with a white butterfly in the latest generation of animals, notices a mutation in the genes that calls for pigment in the wings. If the mutation of pigmentation of wings is passed to the next generations with the  same changes in the gene of DNA, then after some generation we would get white butterfly.

Hence, if the same changes observed in the mutation of pigmentation of wings then we get a white butterfly.

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Answer: (1)CaSO4 -> (2)O2 + (1)CaS

Explanation: edge 2020 chem

Answer:

The beginning

Explanation:

In a nuclear reaction, the  rate of decay is fastest at the beginning of the process.

There are two types of nuclear reactions which are nuclear fusion and nuclear fission .They involve the combination and disintegration of the element's nucleus respectively.

In nuclear fission, the nucleus of the atom is bombarded with electrons of low energy which splits the nucleus in to two parts .Large amount of energy is released in the process.It is used in nuclear power reactors as it produces large amount of energy.

In nuclear fusion,on the other hand, is a reaction which occurs when two or more atoms combine to form a heavy nucleus.Large amount of energy is released in the process which is greater than that of the energy which is released in nuclear fission process.

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Changes in shape and state are the two characteristics  which indicate a physical change.

Physical changes are defined as changes which affect only the form of a substance but not it's chemical composition. They are used to separate mixtures in to chemical components but cannot be used to separate compounds to simpler compounds.

Physical changes are always reversible using physical means and involve a change in the physical properties.Examples of physical changes include melting,boiling , change in texture, size,color,volume and density.Magnetism, crystallization, formation of alloys are all reversible and hence physical changes.

They involve only rearrangement of atoms and are often characterized to be changes which are reversible.

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Mass of Mg=3 g

The mole is the number of particles contained in a substance

1 mol = 6.02.10²³

mol Mg in 7.43 x 10²² atoms :

[tex]\tt \dfrac{7.43\times 10^{22}}{6.02\times 10^{23}}=0.1234[/tex]

mass Mg

[tex]\tt mass=mol\times MW\\\\mass=0.1234\times 24.3=2.99\approx 3[/tex]

Answer:

Fall or autumn

Explanation:

Answer:

I think that the previous answer will help you with this one, Newton´s laws explain it because of the action-reaction law, the resulting forces will be balanced or overloaded in one object, depending of the mass acceleration/speed or force applied to one object.

Explanation:

2.1 x 10⁵⁶ atoms

The mole is the number of particles(molecules,atoms,ions) contained in a substance

1 mol = 6.02.10²³

number of atoms :

[tex]\tt 3.49\times 10^{32}\times 6.02\times 10^{23}=2.1\times 10^{56}[/tex]

Answer:

The structure is called Propyl ethanoate

Answer:

The answer will be listed below.

Explanation:

An acid is a substance that produces (H+) as the only positive ion when mixed with water. A base is a substance that produces (OH–) as the only negative ion when mixed with water.

Answer:

An acid increases the concentration, A base is a substance that releases hydroxide

Explanation: A base donates electrons and accepts protons, and acid is a substance that donates protons.

Answer:

Explanation:

given,

velocity = 5m\s

mass = 50kg

kinetic energy = ?

therefore, we know that,

kinetic energy = 1\2 * mass * velocity^2

                        = 1\2 * 50* 5 ^ 2

                        = 1\2 * 50* 25

                         = 1\2 * 1250

                         = 625

therefore, kinetic energy is 625

HOPE IT HELPED :D

Answer:

increase is the answer for both ig?

Answer:

Covalent Bonds

General Formulas and Concepts:

Explanation:

We have 3 types of bonds: Polar Covalent, Nonpolar Covalent, and Ionic bonds.

Nonpolar Covalent bonds share the electrons equally between the compound.

Polar Covalent bonds do NOT share the electrons equally, but STILL SHARE the electrons; the electron tends to stay with the element with the stronger electron affinity and thus creates dipoles.

Ionic bonds DO NOT share electrons. The electrons are transferred to the respective elements.

The balanced equation for the reaction is

3CuCl₂(aq) + 2Al(s) = 2AlCl₃(aq) + 3Cu(s). The correct option is - D) 3CuCl2(aq) + 2Al(s) = 2AlCl3(aq) + 3Cu(s)

From the question,

We are to determine which of the given equation for the described reaction is balanced.

The described reaction is the reaction between aqueous copper (II) chloride and solid aluminum to produce aqueous aluminum chloride and solid copper.

That is,

CuCl₂(aq) + Al(s) = AlCl₃(aq) + Cu(s)

Now, we will balance the above equation, using the smallest whole number coefficients

The balanced equation for the reaction is

3CuCl₂(aq) + 2Al(s) = 2AlCl₃(aq) + 3Cu(s)

Hence, the balanced equation for the reaction is

3CuCl₂(aq) + 2Al(s) = 2AlCl₃(aq) + 3Cu(s). The correct option is - D) 3CuCl2(aq) + 2Al(s) = 2AlCl3(aq) + 3Cu(s)

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Answer: chemical substance

Explanation:

Explanation:

Change the way you get around. ...

Be mindful of eating habits. ...

Grow your own food or buy it locally. ...

Embrace secondhand shopping. ...

Replace standard products with energy efficient versions. ...

Buy recycled products. ...

Spread the word. ...

Stop using plastic water bottles.

Answer:

hope it's help u

Explanation:

Stunning Ways to Save the Environment from Destruction

Change the way you get around. ...

Be mindful of eating habits. ...

Grow your own food or buy it locally. ...

Embrace secondhand shopping. ...

Replace standard products with energy efficient versions. ...

Buy recycled products. ...

Spread the word. ...

Stop using plastic water bottles.

Explanation:

The increase in mass is because the iron fillings have combined with a sulfide to produce iron sulfide and so the mass will increase.

In such a reaction like this, the mass of the reactants must be conserved. By so doing, the mass of reactants and products must be the same.

When two substances combine together, their masses added up to that of the individual masses. This helps to conserve the mass.

Answer:

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\ [/tex]

volume = final volume of water - initial volume of water

volume = 75 - 50 = 25 mL

We have

[tex]density = \frac{5}{25} = \frac{1}{5} \\ [/tex]

We have the final answer as

Hope this helps you

Answer:

oop oof

Explanation:

Answer: Evaporation

Explanation: the process of turning from liquid into vapor

Answer:

In physics and chemistry, ionization energy or ionisation energy, is the minimum amount of energy required to remove the most loosely bound electron of an isolated neutral gaseous atom or molecule.

I hoped this helped :D

Explanation:

Answer:

What is the total number of joules of heat energy needed to 16) How many joules of heat ... raise the temperature of 10 grams of water from 20°Сto ... 2) · The temperature of 100 grams of water changes from 16°C/7How many kilojoules of ... temperature of 500. grams of water from 10.0°C to 30.0°C? ... m250 -Q=209051. | c= ...

Explanation:

I hope I help :))

Answer:

Explanation:

Since electrons are particles that are in constant movement in a wave-like motion, is impossible to know exactly their position and velocity at all times. That's why instead of defining an orbit for them we define an atomic orbital, which is a location in space where the probability of finding an electron is high (therefore, is an electron dense zone). Since this zone has not defined limits (the wave function characterizing the orbital extend from the nucleus to infinity), the further we go from the nucleus the less dense this "cloud" is.

There is about a 90 percent probability of finding the electron  within a sphere of radius 100 pm surrounding the nucleus.  Thus, we can represent the 1 s orbital by drawing a boundary surface diagram that  encloses about 90 percent of the total electron density in an orbital, and the shape of this orbital is a sphere.

The boundary surface diagrams of p orbitals, for example, will have the shape of two lobes on opposite sides of the nucleus, that means that within this two lobes we have a 90 percent probability of finding the electron, and so on.

Explanation:

Structure of Carbon dioxide is in the attachment.

Here,

Hybridization of Carbon is sp

Bond angle 180°

Structure = linear

Answer:

O=C=O

Explanation:

this is all you need

Answer:

See explanation

Explanation:

Atomic size increases down the group due to the addition of more shells.

As more shells are added and repulsion of inner electrons become more significant, atomic size increases down the group. However, across the period, atomic size decreases due to increase in effective nuclear charge without any increase in the number of shells. This causes increased attraction between the nucleus and the outermost shell thereby decreasing the size of the atom.

Ionization energy decreases down the group because the outermost electron is more shielded by inner electrons making it easier for this outermost electron to be lost. Across the period, ionization energy increases due to increase in effective nuclear charge which makes it more difficult to remove the outermost electron due to increased nuclear attraction.

Answer:

i think its C

Explanation:

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Actually Welcome to the Concept of the Chemical bonds.

Due to the presence of dipole-dipole forces, polar covalent molecules like water tend to be _____ at room temperature.

The answer is Liquids

Water tends to be liquids at the room temperature.