the picture below shows an asteroid and a comet. Which of these statements is most likely correct about both asteroids and comets?

A. They are created from space debris.
B. They have the same number of satellites.
C. They do not consist of ice and dust.
D. They do not experience gravitational force.​

Answer: c????????

Explanation:

The blood cells and large particles is not normally found in filtrate.

What is filtrate?

Filtration is indeed a physical separation method that employs a filter medium with a complex structure that only allows fluid to pass through it to separate solid matter and liquid from a mixture. Filtrate is the term for the liquid that passes thru the filter medium and is used to describe solid particles that are too large to pass. Larger-than-average particles have the potential to blind the filter by blocking the filter lattice and forming a filter cake on the filter's surface. The term "effective pore size" refers to the size of a largest particles that really can successfully pass through a filter.

Blood cells and large particles are not found in the filtrate because of their large size , they can not fit in the pores of glomerular .

Thus, due to their large size they can not enter into the filtrate .

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A rainbow is produced through a proces that includes refraction, reflection, and dispersion of  sunlight.

A rainbow is formed when sulinght is refracted and reflected by rain drops in the atmospher.

The sunlight is split into its component colors, which is why rainbows appear as having an array of colors. This is due to each color being bent by a different amount during refraction.

The colors of a rainbow are always in the same order, with red on the outside and violet on the inside.

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C-O

Explanation:

Thus, the largest difference of

electronegativity is between carbon and oxygen. Therefore, the C −O bond is most polar.

Based on the information below . The atoms of the same element are Atom A and Atom C .

Atoms of same element have the same atomic number. so the number of protons and electron are same but they have different atomic masses called as Isotopes.  so, the atoms having different number of neutron will have different masses.

In the given case ,

Atom A               Atom B             Atom C

8 protons           10 protons        8 protons

8 neutrons         10 neutrons       10 neutrons

8 electrons         10 electrons      8 electrons

so, In Atom A  and Atom C , the number of protons and electrons are same but  the have different atomic masses means having different no. of neutrons. so Atom A and Atom C are the atoms of same elements.

Hence,Based on the information below . The atoms of the same element are Atom A and Atom C.

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When the thermal energy of the air around a fire is transferred to the surrounding air  A. The thermal energy is spread out by the surrounding air.

Thermal energy transfers occur in 3 approaches conduction, convection, and radiation. whilst thermal power is transferred among neighboring molecules that are in touch with each other, which is referred to as conduction.

Thermal strength refers to the power contained inside a system that is liable for its temperature. heat is the go with the flow of thermal electricity. an entire department of physics, thermodynamics, offers how heat is transferred among exceptional systems and how work is accomplished in the manner.

Thermal strength also referred to as heat strength is produced when a rise in temperature reasons atoms and molecules to transport quicker and collide with each other. The energy that comes from the temperature of the heated substance is referred to as thermal strength.

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Answer

acids and bases are both corrosive furthermore both will conduct electricity depending on the strength of the acid or base

C is the correct option

Acacia ant and acacias animals are an example of coevolution

Coevolution is the reciprocal evolutionary change in a set of interacting population over time resulting from the interaction between those population and an example of coevolution that is not characteristics of an arm race but one which provides a mutual benefit to both a plant species and insect is that of the acacia ant and acacia plant and many cases of coevolution can be found between plants and insects

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There are 12.92 moles of C2H6O in 7.78 x 10^{24}molecules of C2H6O

One mole of a substance contains 6.022 x 10^{23} particles (Avogadro's number). Therefore, to calculate the moles of C2H6O in 7.78 x 10^{24} molecules, we need to divide the given number of molecules by Avogadro's number:10^{24}

moles of C2H6O = 7.78 x  molecules / (6.022 x 10^{23} molecules/mol)

moles of C2H6O = 12.92 moles

Therefore, there are 12.92 moles of C2H6O in 7.78 x 10^{24}  molecules of C2H6O.

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The number of moles of C2H6O in 7.78x10^24 molecules of C2H6O is 12.92 moles.

Avogadro's number is a constant that connects a substance's particle count to its molecular weight. It is defined as the number of atoms in a mole of carbon-12 that weighs exactly 12 grams, or 6.022 x 1023 particles.

We use the following formula to convert the quantity of substance in moles and the number of particles:

Avogadro's number: number of particles = quantity of material

To calculate the moles of C2H6O in 7.78x10^24 molecules of C2H6O, we need to use Avogadro's number, which relates the number of particles (molecules or atoms) to the amount of substance (moles).

Avogadro's number is 6.022 × 10^23 particles per mole. Therefore, we can calculate the number of moles of C2H6O using the following formula:

moles = number of particles / Avogadro's number

Given that we have 7.78x10^24 molecules of C2H6O, the number of moles of C2H6O can be calculated as:

moles = 7.78x10^24 / 6.022 × 10^23

moles = 12.92

Therefore, the number of moles of C2H6O in 7.78x10^24 molecules of C2H6O is 12.92 moles.

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Answer:

2547.4g

Explanation:

44.4×(23+35,5)

According to the research, the correct answer is Option D. The movement of the lithospheric plates that describes where this new oceanic crust formed is Lithospheric plates spread apart following magma to cool in its place.

It explains that when the magma leaves through the ridge, oceanic crust is created, the seabed is created, it expands, due to the movement of the plates that are in the lithosphere due to the convection current that exists in the asterospheres, the magma comes out.

In this sense, the oceanic ridges are separation fissures of the lithospheric plates that are the place where they come to the surface, that is, at the bottom of the sea, a constant flow of magma, creating a great valley with volcanic activity.

Therefore, we can conclude that according to the research, the lithospheric plates force the magma to come out through the oceanic ridge.

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In the J = 0 state, the BrF molecule does not undergo any revolutions per second. In the J = 1 state, it undergoes approximately 0.498 revolutions per second, and in the J = 10 state, it undergoes approximately 15.71 revolutions per second.

To calculate the rotational constant B, we can use the formula:

B = 1 / (2 * π * Δν)

Where:

B = rotational constant

Δν = spacing between consecutive lines in the rotational spectrum

Given that the spacing between consecutive lines is 0.71433 cm^(-1), we can substitute this value into the formula:

B = 1 / (2 * π * 0.71433 cm^(-1))

B ≈ 0.079 cm^(-1)

The moment of inertia (I) of the molecule can be calculated using the formula:

I = h / (8 * π^2 * B)

Where:

h = Planck's constant

Given that the value of Planck's constant (h) is approximately 6.626 x 10^(-34) J·s, we can substitute the values into the formula:

I = (6.626 x 10^(-34) J·s) / (8 * π^2 * 0.079 cm^(-1))

I ≈ 2.11 x 10^(-46) kg·m^2

The bond length (r) of the molecule can be determined using the formula:

r = sqrt((h / (4 * π^2 * μ * B)) - r_e^2)

Where:

μ = reduced mass of the molecule

r_e = equilibrium bond length

To calculate the wavenumber (ν) of the J = 9+ to J = 10 transition, we can use the formula:

ν = 2 * B * (J + 1)

Substituting J = 9 into the formula, we get:

ν = 2 * 0.079 cm^(-1) * (9 + 1)

ν ≈ 1.58 cm^(-1)

To determine the most intense spectral line at room temperature (300 K), we can use the Boltzmann distribution law. The intensity (I) of a spectral line is proportional to the population of the corresponding rotational level:

I ∝ exp(-E / (k * T))

Where:

E = energy difference between the levels

k = Boltzmann constant

T = temperature in Kelvin

At room temperature (300 K), the population distribution decreases rapidly with increasing energy difference. Therefore, the transition with the lowest energy difference will have the most intense spectral line. In this case, the transition from J = 0 to J = 1 will have the most intense spectral line.

To calculate the number of revolutions per second, we can use the formula:

ω = 2 * π * B * J

Where:

ω = angular frequency (in radians per second)

J = rotational quantum number

For J = 0:

ω = 2 * π * 0.079 cm^(-1) * 0 = 0 rad/s

For J = 1:

ω = 2 * π * 0.079 cm^(-1) * 1 ≈ 0.498 rad/s

For J = 10:

ω = 2 * π * 0.079 cm^(-1) * 10 ≈ 15.71 rad/s

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The measurement on the buret should be read from the bottom of the meniscus.

Burets are commonly used in analytical chemistry experiments, such as titration, where small and precise quantities of a liquid are needed to be added to another solution for the purpose of determining the concentration or amount of a particular substance in the solution A buret (also spelled burette) is a laboratory glassware used for precisely measuring the volume of a liquid. It is typically a long, graduated tube with a stopcock (a valve) at the bottom that allows for controlled dispensing of the liquid. The volume of liquid dispensed can be read by observing the position of the meniscus (the curved surface of the liquid) in relation to the graduated markings on the tube.

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The number that is the same as the exponentiation given as follows: 2.5 × 10-³ is 0.0025.

Exponentiation is the process of calculating a power by multiplying together a number of equal factors, where the exponent specifies the number of factors to multiply.

For example, if 10 is multiplied three times, then it can be written as "10 raised to 3" which means 10³. In this case, 10 is the base, and 3 is the exponent.

Therefore, a number 0.0025 can be written in exponentiation as 2.5 × 10-³ by counting the number of zeros forward.

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Answer:

a. 80 g ⟶ 40 g ⟶ 20 g ⟶ 10 g ⟶ 5 g …

b. 0 da ⟶ 8 da ⟶ 16 da ⟶ 24 da ⟶ 32 da …

c. 8 da

Explanation:

Assume that the decay curve looks like the first one below.

a. Mass of I

The mass of iodine decreases by half after each half-life.

Thus, the masses decrease in the sequence

80 g ⟶ 40 g ⟶ 20 g ⟶ 10 g ⟶ 5 g …

b. Time

The horizontal axis has repeating units every 8 da.

Thus, the time increases in the sequence

0 da ⟶ 8 da ⟶ 16 da ⟶ 24 da ⟶ 32 da …

The completed graph is the second one below.

c. Half-life

It takes 8 da for 80 g of iodine to decrease to 40 g.

The half-life of iodine is 8 da.

Answer: 1.9 x 10^4

Explanation:

A dog has a mass of 19 kg. The mass of the dog in grams, expressed in scientific notation, is 1.95 × 10⁴ g.

Mass is the quantity of matter in a physical body. The product of the compound's molar mass and the substance's moles are defined as mass.

Measuring units to determine the size, weight, or quantity of any object. Seven fundamental measurement units are utilized in daily life and across the globe.

These units of measurement are the meter, which is used to measure distance, and the second, which is used to measure. Grams and kilograms are the measuring units that are used to measure the quantity of a solid item.

The mass of the dog in grams is:

1 kilogram = 1000 grams

19.5 kg × (10³ g/1 kg) = 1.95 × 10⁴ g.

Thus, the mass of the dog in grams is 1.95 × 10⁴ g.

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As you can see the picture, in the three given compounds i.e. ethane, ethene and ethyne, ethyne have shortest bond. Bond length of ethyne is very short when compared to the ethane and ethene. Shorter the bond, bond strength will be more. Hence, our answer is ethyne.

Answer:

ethyne has shortest bond

the answer is e

hope that helps you

In the given reaction:  \(HI + H_2O \rightarrow H_3O +I^-\), the acid-conjugate base pair is \(HI\)(hydroiodic acid) and \(I^-\) (iodide ion).

An acid-conjugate base pair consists of an acid and its corresponding conjugate base. In an acid-base reaction, an acid donates a proton (\(H^+\)) to a base, resulting in the formation of a conjugate base. The acid and its conjugate base are related by the transfer of a proton.

In the given chemical reaction, \(HI + H_2O \rightarrow H_3O +I^-\),

Thus, the acid-conjugate base pair in the given chemical reaction is \(HI\) and \(I^-\).

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In order to arrange candidates for recruiting and recruitment purposes, businesses use applicant tracking systems (ATS).

The complete question is,

What do ATSs serve as their primary function?

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Calculating Standard Product ATS, The allocation, presale backorder allocation, turnover, and (optional) on order quantity are added together to form the ATS.

Calculating Standard Product ATS, The allocation, presale backorder allocation, turnover, and (optional) on order quantity are added together to form the ATS. It's equal to the quantity of a product that is reserved for sale by default (the allocation value).

Repeating measurements is the best technique to determine the degree of uncertainty surrounding a set of data.

Mixture ~2 g

T2g = 64.7 ± 0.3°C

Cot 2g 6 e g o

Since all the electrons in t 2g are coupled up, the ligand must have a strong field, and that ligand is oxalate (C 2 O 4).

2−

[Co(C 2 O 4 ) 3] is the name of the substance.

3+

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Answer:

Tin (IV) sulfide and antimony (III) sulfide be separated from copper (II) sulfide and bismuth (III) sulfide by the addition of sodium hydroxide because they become soluble whereas copper (II) sulfide and bismuth (III) sulfide remain insoluble.

Explanation:

Sodium hydroxide is a  basic solution which is used as a precipitating agent for metallic ions in the laboratory.

When a solution containing a mixture of the sulfides of the Group II cations,  antimony (III), copper (II), tin  (IV), and bismuth (III), is made basic by the addition of a base such as sodium hydroxide or ammonium hydroxide, the  sulfide ion concentration will increase. The sulfides of antimony (III) and tin (IV) will then become  soluble because antimony (III) and tin (IV) form stable complexes with sulfide, which are soluble in  water, while the sulfides of copper (II) and bismuth (III) do not. The result is the dissolution of the antimony (III) sulfide  and tin (IV) sulfide, separating them from the copper (II) sulfide and the bismuth (III)  sulfide.

Sb₂S₃(s) + 3S²⁻(aq) ----> 2SbS₃³⁻(aq)

SnS₂(s) + S²⁻(aq) ----> SnS₃³⁻(aq)

Answer:

Copper will start to react with the oxygen in the air to form copper oxide. The copper oxide will continue reacting to oxygen over time. As the copper oxide continues to react with carbon dioxide and water in the air it coats the surface with that iconic blue-green patina colour

The balanced equation for the reaction of acetylene (C₂H₂) and oxygen (O₂) is; 2 C₂H₂(g) + 5 O₂(g) → 4 CO₂(g) + 2 H₂O(g) + heat

The coefficients in the balanced equation represent the stoichiometric ratio of the reactants and products in the chemical reaction. In this case, 2 molecules of acetylene (C₂H₂) react with 5 molecules of oxygen (O₂) to produce 4 molecules of carbon dioxide (CO₂) and 2 molecules of water (H₂O), along with the release of heat.

The balanced equation shows that the number of atoms of each element is the same on both the sides of the equation, in accordance with the law of conservation of mass.

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The mass of Fe₂O₃ produced is 101.9 g.

The balanced chemical equation for the combustion of iron pyrite is:

4FeS₂(s) + 11O₂(g) → 2Fe₂O3(s) + 8SO₂(g)

From the equation, 11 moles of oxygen are required to produce 2 moles of Fe₂O₃. Convert the given volume of oxygen to moles:

n(O2) = PV/RT = (2.97 atm)(74 L)/(0.0821 L·atm/mol·K)(161 + 273 K) = 3.51 mol

Since the reaction requires 11 moles of O₂ for every 2 moles of Fe₂O₃, calculate the moles of Fe₂O₃ produced:

n(Fe₂O₃) = (2/11) × n(O₂) = (2/11) × 3.51 mol = 0.638 mol

Finally, use the molar mass of Fe₂O₃ to convert moles to grams:

m(Fe₂O₃) = n(Fe₂O₃) × M(Fe₂O₃) = 0.638 mol × 159.69 g/mol = 101.9 g

Therefore, the mass of Fe₂O₃ produced is 101.9 g.

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The question is confusing, but if you are saying that the heat of vaporization is 393 joules per gram, and 30 grams condense, then the answer is simply 30 * 393 = 11790 joules.

Answer: Temperature = T, unknown

Saturated Solution, NH4Cl concentration = 60g/100g H2O = 0.6g NH4Cl/g H2O

Assume density of H2O = 1 g/ml

m = 0.6g NH4Cl/g H2O / 1 g/ml

m = 0.6g NH4Cl/ml

See the table of saturated solutions and identify the temperature at which the concentration of NH4Cl is 60g/100g H2O.

Explanation:  The line on the graph on reference table G indicates a saturated solution of NH4CL as a concentration of 60. g NH4 Cl/100. g H2O

Answer:

the water.

Explanation:

well the water makes things look larger than due to ( the surface of a water drop curves outwards to make a dome. this outward or convex, curature light rays inward. the result is an enlarge ment image on the eye. / makes it look larger) + more mass.

1. Fe(a) + H2SO4(aq): gas producing, neutralization, single displacement, endothermic.  

2. Ca(s) + HCl(aq): -gas producing, neutralization, precipitation, single displacement.

In chemistry, neutralization or neutralisation (see pronunciation variations) is a quantitative process between an acid and a base. In a water process, neutralization means that there is no surplus of hydrogen or hydroxide ions in the solution. The pH of the diluted solution is determined by the acidity of the reactants.

A neutralization reaction occurs when an acid and a base combine. The process produces salt and water. When hydrochloric acid (acid) and sodium hydroxide (base) combine, sodium chloride (salt) and water are formed.

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From each drop-down menu, a solid has (a definite volume and a definite shape), a Liquid has (a definite volume) and gas has ( non of the above)

Matter is defined as anything that has weight and occupies space.

There are three states of matter that is in existence which include:

Therefore, a liquid occupies the shape of its container.

Therefore, a gas neither has a definite shape nor volume.

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