What could be a third quantum number of a 2p3 electron in phosphorus,


152252p 3s23p3?


A. M = -1


B. M = 3


c. M = 2


D. M = -2

Answer:The process of photosynthesis in plants converts carbon dioxide and water into glucose and oxygen. The balanced equation for this reaction is:

6 CO2 + 6 H2O --> C6H12O6 + 6 O2

This equation tells us that for every 6 molecules of carbon dioxide (CO2) that are consumed, 1 molecule of glucose (C6H12O6) is produced, along with 6 molecules of oxygen (O2).

Given that we have 760.0 grams of carbon dioxide and a sufficient amount of water, we can use the balanced equation and the molar mass of glucose to calculate the amount of glucose that will be produced.

First, we need to convert the given amount of carbon dioxide to moles. We can do this by using the molar mass of carbon dioxide, which is 44.01 g/mol.

760.0 g CO2 / 44.01 g/mol = 17.3 moles CO2

Next, we can use the balanced equation to determine the number of moles of glucose that will be produced. Since the ratio of CO2 to glucose is 6:1, for every 6 moles of CO2, 1 mole of glucose will be produced.

17.3 moles CO2 / 6 = 2.88 moles glucose

Finally, we can convert the number of moles of glucose to grams using the molar mass of glucose, which is 180.16 g/mol

2.88 moles glucose * 180.16 g/mol = 517.3 grams glucose

Therefore, plants will produce 517.3 grams of glucose using 760.0 grams of carbon dioxide and a sufficient amount of water.

Explanation:

Answer:

Percentage yield =58.7 %

Explanation:

moles of calcium carbonate as a reactant = \(\frac{20.7 g}{100.086 g/mol} =0.2068 mole\)

as per molar equation , 0.2068 moles of calcium carbonate produces 0.2068 moles of CaO .

amount of CaO = 0.2068 mole x (40.078+15.999) g/moles = 11.598 gram

percentage yield = actual yield /  theoritical yield =  6.81/ 11.598 = 0.587 or 58.7 %

The molarity of the solution made by dissolving 125 g of Na₃PO₄ in water resulting to a volume of 250 ml is approximately 3.05 M.

To calculate the molarity (M) of the solution, we need to know the moles of solute (Na₃PO₄) and the volume of the solution in liters.

1. Convert grams of Na₃PO₄ to moles:
Molecular weight of Na₃PO₄ = (3 × 22.99) + (1 × 30.97) + (4 × 16.00) = 68.97 + 30.97 + 64.00 = 163.94 g/mol

125 g Na₃PO₄ / 163.94 g/mol ≈ 0.762 moles of Na₃PO₄

2. Convert volume of the solution to liters:
250 mL = 250/1000 = 0.25 L

3. Calculate the molarity (M):
M = moles of solute / volume of solution in liters
M = 0.762 moles / 0.25 L ≈ 3.05 M

The molarity of the Na₃PO₄ solution is approximately 3.05 M.

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Answer:

8

Explanation:

Its official chemical symbol is O, and its atomic number is 8, which means that an oxygen atom has eight protons in its nucleus

Answer:

i think its solar radiation

If the radiation is able to pass through the cardboard box holding the sample, but doesn't pass through the row of steel file cabinets along her wall then the element is emitting gamma radiation.

Gamma rays are the type of high-energy electromagnetic radiation that is released from the nucleus when undergoing radioactive decay. Gamma rays have the highest energy of all types of radiation and can penetrate matter deeper than alpha and beta rays. Gamma rays are used in a variety of medical, industrial, and scientific applications such as; Cancer treatment, sterilization, scientific research, food safety. Gamma rays are also a form of ionizing radiation, meaning they can damage living tissue.

In this case, the element most likely emits gamma rays. Gamma rays are the most penetrating type of radiation, easily penetrating cardboard but not steel. Alpha and beta rays have low penetrability and cannot pass through cardboard.

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The solubility of mercury(II) iodide (HgI₂) in pure water is determined by its Ksp value, which is 2.9 x 10⁻²⁹.

In a 3.0 M solution of NaI, assuming (HgI₄)₂₋is the only significant species, the solubility of HgI₂can be calculated using the Ksp and K values.

The solubility of HgI2 in pure water can be calculated using its solubility product constant (Ksp). The Ksp value for HgI₂ is given as 2.9 x 10⁻²⁹. Solubility product constant represents the equilibrium constant for the dissolution of a sparingly soluble salt. By solving the equilibrium expression for HgI₂, we can determine its solubility in pure water.

In a 3.0 M solution of NaI, assuming the formation of (HgI₄)₂₋ is the only significant Hg-containing species, the solubility of HgI2 can be calculated using the Ksp and K values. The K value given for(HgI₄)₂₋ - is 6.8 x 10²⁹. By setting up an equilibrium expression considering the dissociation of HgI₂ into (HgI₄)₂₋  ions, we can determine the solubility of HgI₂in the presence of the NaI solution.

These calculations involve using the principles of equilibrium and the relationship between concentrations of dissolved species and their equilibrium constants. Solubility is defined as the maximum amount of solute that can be dissolved in a given solvent under specific conditions. By applying the relevant equilibrium expressions and values, we can determine the solubility of HgI₂ in each situation.

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Answer:

True or T

Explanation:

Is the correct answer please make me brainliest

Answer:

The state (or phase) of matter can be changed by pressure and temperature condition .

The dehydration-condensation reaction occurs between 'ethanol' and 'butanoic acid' giving an ester called as "ethyl butanoate".

Esters are produced when carboxylic acids are heated with alcohols in the presence of an acid catalyst.

The catalyst is usually concentrated sulphuric acid.

Dry hydrogen chloride gas is used in some cases, but these tend to involve aromatic esters (ones containing a benzene ring).

Esters are represented by the formula RCOOR', where R and R' are hydrocarbon groups.

The chemical reaction occurring in the formation of the ester is known as an esterification reaction.

The reaction that occurs between ethanol and butanoic acid:

Ethanol reacts with butanoic acid in the presence of an acid-catalyst and gives ethyl butanoate as ester and water as products. If an acid reacts with a base, salt and water are the products. But ester is not a salt.

i) The carbon skeletal notation for the given reaction is shown below.

ii) The ester is named "ethyl butanoate".

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Answer:

It means to slow down and let the some cars pass

Explanation:

The gas sample is Cl₂. Answer A.

The ideal gas equation formula PV = nRT

Calculating the number of moles of the gas sample.

PV = nRT

1.04 × 1.365 = n × 0.0821 × 368

1.4196 = n × 30.21

n = 1.4196 ÷ 30.21

n = 0.04699 mol

The formula for mass and number of moles m = n × Mr

Calculating the molar gas from the sample

Mr = m ÷ n
Mr = 3.33 ÷ 0.04699

Mr = 70.9 g/mol

From the info given, gas Cl₂ has the same molar mass as the sample.

So, the gas sample is Cl₂, chlorine gas.

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Russia is a federation with a semi-presidential political system. The President is the head of state while the Prime Minister is the head of government. The Federal Assembly is a bicameral legislature that is made up of the State Duma (lower house) and the Federation Council (upper house).

The political system in Russia and the United States are different. In the US, it is a presidential system where the President is both the head of state and government, while in Russia, the President is the head of state while the Prime Minister is the head of government.

In the US, the Congress is made up of the Senate (upper house) and the House of Representatives (lower house) while in Russia, the Federal Assembly is made up of the State Duma (lower house) and the Federation Council (upper house).

The key distinguishing features between the political systems in Russia and the US include the role of the President, the structure of the legislature, and the nature of the judiciary. In Russia, the President has a lot of power and is able to appoint the Prime Minister and other members of the executive branch.

The judiciary is also less independent compared to that of the US. On the other hand, the US has a more balanced system of power between the three branches of government, with the judiciary being independent of the executive and legislative branches.

The strengths of the political system in Russia include a strong centralized government that is able to make quick decisions and a strong military. However, the lack of political pluralism and the weak judiciary system are key weaknesses of the system.

The US political system has a strong commitment to individual rights and democratic principles. However, the system is often characterized by gridlock and polarization between political parties, leading to slow decision-making and a lack of progress on important issues.

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Answer:

Positive

Explanation:

Answer:

both are true

Explanation:

The complete empirical formula of the organic compound is C₅H₂.

Empirical formula is the simplest formula of an organic compound. The balanced chemical equation of the given organic compound can be determined using the general formula for balancing oxidation reaction of organic compounds as shown below.

\(C_xH_y + (x+ \frac{y}{4} )O_2 = xCO_2 \ + \ \frac{y}{2} H_2O\)

Molecular mass of CO2 = 44 g/mol

mole = reacting mass /molecular mass

mole = 4.4/44 = 0.1

mole = 0.72/18 = 0.04

From the empirical formula, we have \([?]_5H_{[?]} = C_5H_{[?]}\)

\(0.1 \times n = 5\\\\ n = \frac{5}{0.1} = 50\)

From the result above, if we multiply 0.1 by 50 we will have 5 which is already given to us as C₅.

\(x = 0.1 \times 50\\\\x = 5\)

Then multiply 0.04 for y by the same factor.

\(y = 0.04 \times 50\\\\y = 2\)

Thus, the complete empirical formula of the organic compound is C₅H₂.

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(a) The decay rate of radioisotopes decreases with time according to the exponential decay formula:

decay rate = initial decay rate × (1/2)^(time/half-life)

given Assign a value.

35.0 decay/sec = initial decay rate × (1/2)^(7000 years / 5730 years)

Solving for the initial decay rate, the wood sample when the tree was felled had about 67.8 decay/sec.

(b) The total nuclear binding energy can be calculated using the formula:

Binding Energy = Nuclear Mass - (Proton Mass + Neutron Mass)

We need the nuclear mass. Find the proton mass and neutron mass. The mass of the atomic nucleus can be obtained from the atomic mass listed in the periodic table. For 14C, it is 14.003241 amu. The masses of protons and neutrons can be found by looking them up in the table of atomic masses. A proton has a mass of 1.007276 amu and a neutron has a mass of 1.008665 amu.

Using these values, the total binding energy of 14C can be calculated. Converting to meV, we find that the total binding energy of 14C is about -7.8 meV.

(c) Energy is released when two 7Li nuclei collide to form a 14C nucleus. This can be calculated using the formula:

q value = (final nuclear mass - initial nuclear mass) × c^2

where c is the speed of light.

Substituting the values ​​given in the question, we get: We can see that the emitted energy is about 17.3 mev.

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A chemical equation is a statement using chemical formulas that express both the identities and the relative quantity of the reactants and products involved in a chemical or physical change.

The chemical equation is said to be balanced if there are no inequalities.

The relative quantity is generally an absolute quantity divided by some other quantity. For example, in the previous excel file, one could calculate the percent of the adult population infected with HIV by dividing the number of adults with HIV by the total adult population of the country.

The main four types of reactions are direct combination, analysis reaction, single displacement, and double displacement.

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The estimated heat capacity for a material at 56 K is approximately 1.58 J/mol-K, and at 495 K is approximately 3.47 J/mol-K, using the Debye model.

To estimate the heat capacity at a temperature T, we can use the Debye model:

Cv = 9Nk(θD/T)³ ∫\(0^{(\theta D/T)\) (\(x^4 e^x\) / (\(e^x\) - 1)²) dx

where N is the number of atoms per mole, k is Boltzmann's constant, θD is the Debye temperature, and x is a dimensionless variable (x = hν/kT, where h is Planck's constant and ν is the frequency of the vibration mode).

(a) To estimate the heat capacity at 56 K, we can use the same formula with T = 56 K:

Cv = 9Nk(θD/T)³ ∫\(0^{(\theta D/T)\) (\(x^4 e^x\) / (\(e^x\) - 1)²) dx

= 9Nk(303 K/56 K)³ ∫\(0^{(303 K/56 K)}\) (\(x^4 e^x\) / (\(e^x\) - 1)²) dx

≈ 1.58 J/mol-K

Therefore, the estimated heat capacity at 56 K is approximately 1.58 J/mol-K

(b) To estimate the heat capacity at 495 K, we can again use the same formula with T = 495 K:

Cv = 9Nk(θD/T)³ ∫\(0^{(\theta D/T)}\) (\(x^4 e^x\) / (\(e^x\) - 1)²) dx

= 9Nk(303 K/495 K)³ ∫\(0^{(303 K/495 K)}\) (\(x^4 e^x\) / (\(e^x\) - 1)²) dx

≈ 3.47 J/mol-K

Therefore, the estimated heat capacity at 495 K is approximately 3.47 J/mol-K.

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Answer:

The pH of a solution is a measure of its acidity or basicity. The pOH of a solution is another way to express its acidity or basicity. The relationship between pH and pOH can be found using the formula: `pH + pOH = 14`.

Given that the pH of the solution is 3.25, we can calculate the pOH of the solution using the formula above: `pOH = 14 - pH = 14 - 3.25 = 10.75`.

The concentration of hydrogen ions [H+] can be calculated from the pH using the formula: `[H+] = 10^(-pH)`. Substituting the value of pH, we get: `[H+] = 10^(-3.25) = 5.62 x 10^(-4) M`.

The concentration of hydroxide ions [OH-] can be calculated from the pOH using the formula: `[OH-] = 10^(-pOH)`. Substituting the value of pOH, we get: `[OH-] = 10^(-10.75) = 1.78 x 10^(-11) M`.

MARK AS BRAINLIEST!!!!!! THIS TOOK A LOT OF TIME!!!

Answer:

C.It remains at rest or moves at constant speed in the same direction.

Explanation:

First, remember the Newton's 1st law of motion which states that the object at rest will remain at rest and that in motion will stay in motion with the same speed and same direction unless acted by unbalance forces.

Balanced forces on an object occur when two forces at act on an object are equal in size and act in opposite direction. In this case, a stationary object will stay at  rest while an object moving will continue to move at the same speed and same direction.

An object acted by balanced forces is said to be at equilibrium, thus the state of motion will be maintained.The object will not accelerate. A good example of an object acted by balanced forces is an object at rest or in constant motion such as a car that stopped at red-light signal or a car travelling at a constant speed.

The 1.35 mg sample of plutonium-236 (Pu-236) will take approximately 38.61 years to decay to 0.100 mg, based on its half-life of 2.86 years.

To calculate the time it will take for the 1.35 mg sample of plutonium-236 (Pu-236) to decay to 0.100 mg, we can use the concept of half-life.
First, we need to determine the number of half-lives required for the decay. We can do this by dividing the initial amount of Pu-236 (1.35 mg) by the amount it decays each half-life (0.100 mg).
1.35 mg / 0.100 mg = 13.5 half-lives
Since the half-life of Pu-236 is 2.86 years, we can calculate the total time it will take by multiplying the number of half-lives by the half-life duration:
13.5 half-lives * 2.86 years = 38.61 years
Therefore, it will take approximately 38.61 years for the 1.35 mg sample of Pu-236 to decay to 0.100 mg.

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The statement that is false regarding the chemical grooming of pyruvate is "each pyruvate molecule has a CO2 added and then joins with an NADH.

Pyruvate is the end product of glycolysis that further undergoes chemical grooming in the presence of oxygen to produce ATP. The complete oxidation of glucose produces a total of 36-38 ATPs per molecule.

Pyruvate is oxidized to produce Acetyl-CoA. During this process, the carboxyl group of pyruvate is removed and given off as CO2. This is known as decarboxylation.

The remaining 2-carbon molecule is then oxidized by the removal of electrons by the NAD+ which is reduced to NADH. This is called oxidative decarboxylation, and its purpose is to prepare the substrate for energy production.

The correct statement regarding the chemical grooming of pyruvate is, "Each pyruvate molecule loses a CO2 molecule and then joins with a coenzyme A to form acetyl-CoA, producing an NADH molecule."

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The crystallization makes the protein active. The diffractive pattern observed during X-ray exposure to the crystal can be used to calculate the electron density map of the crystalline protein. this makes option D correct.

Proteins are complex amino acids. They are long chain or structure made up of amino acids. Proteins are of different types, globular protein which are soluble and fiber like protein which are insoluble. Hair, skin,muscles are fiber like proteins. Egg albumin and egg white are gobular proteins. Protein may vary from structure to structure. Some are primary structured, some are secondary, some are tertiary or some are Tetranary. 

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The percent yield of S2Cl2 is approximately 73.26%.

The percent yield is a measure of the efficiency of a chemical reaction, calculated by comparing the actual yield to the theoretical yield. The formula for percent yield is:

Percent yield = (Actual yield / Theoretical yield) * 100

Given:

First, we need to determine the theoretical yield of S2Cl2 based on the balanced chemical equation. From the equation:

S8 + 4Cl2 -> 4S2Cl2

The molar ratio between S8 and S2Cl2 is 1:4. We need to calculate the moles of S8 and use stoichiometry to find the theoretical yield of S2Cl2.

Molar mass of S8 = 256.52 g/mol

Moles of S8 = Mass of S8 / Molar mass of S8 = 4.06 g / 256.52 g/mol

Using the molar ratio, we can calculate the moles of S2Cl2:

Moles of S2Cl2 = Moles of S8 * (4 moles S2Cl2 / 1 mole S8)

To find the theoretical yield of S2Cl2, we multiply the moles of S2Cl2 by its molar mass:

Theoretical yield of S2Cl2 = Moles of S2Cl2 * Molar mass of S2Cl2

Next, we calculate the percent yield using the formula mentioned earlier:

Percent yield = (Actual yield / Theoretical yield) * 100

Substituting the given values and calculated values into the formula, we can determine the percent yield of S2Cl2.

Therefore, the percent yield of S2Cl2 is approximately 73.26%.

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Answer:

the answer is oxygen and carbon dioxide

The wavelength of the light is approximately 500 nm. The energy of the photon of light is approximately 6.56 x 10-20 J.

Answer: Question 1:The formula relating wavelength, frequency, and the speed of light is given by:c = fλHere,λ = wavelength, f = frequency, c = speed of lightI. n the problem, frequency is given as 5.98 x 1014 s-1. Therefore, using the formula, the wavelength of light can be calculated as follows:λ = c/f= (3 x 108 m/s)/(5.98 x 1014 s-1)≈ 500 nm

Therefore, the wavelength of the light is approximately 500 nm.

Question 2:The formula relating energy and frequency of light is given by:E = hfwhereE = energy of photonh = Planck's constant = 6.626 x 10-34 J s (Joule seconds)f = frequency of lightIn the problem, the frequency of light is given as 9.89 x 1013 Hz. Therefore, using the formula, the energy of the photon of light can be calculated as follows:E = hf= (6.626 x 10-34 J s) x (9.89 x 1013 Hz)≈ 6.56 x 10-20 J

Therefore, the energy of the photon of light is approximately 6.56 x 10-20 J.

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Reflecting telescopes are preferred for scientific research because they are better suited for gathering large amounts of light and producing high-quality images. However, refracting telescopes are still popular for amateur astronomers and for viewing objects on Earth.

Reflecting telescopes are different from refracting telescopes because reflecting telescopes use mirrors, whereas refracting telescopes use lenses. The reflecting telescope was invented in 1668 by Sir Isaac Newton, and it has since become one of the most popular types of telescopes.
Reflecting telescopes use a mirror to gather and focus light, while refracting telescopes use a lens to do the same thing. Reflecting telescopes can be made much larger than refracting telescopes because it is easier to make large mirrors than it is to make large lenses. The mirror in a reflecting telescope is placed at the back of the telescope, and it gathers and reflects light back to a secondary mirror, which then reflects the light to the eyepiece. The eyepiece is where the observer looks through the telescope.In contrast, the lens in a refracting telescope is placed at the front of the telescope, and it gathers and bends light as it passes through. The lens focuses the light onto an eyepiece at the back of the telescope. Refracting telescopes are generally smaller than reflecting telescopes because of the difficulty of making large lenses.
Another difference between reflecting and refracting telescopes is the way they are constructed. Reflecting telescopes have a simple tube that houses the mirrors and eyepiece, while refracting telescopes have a more complex design with a long tube that contains the lens and eyepiece.

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