Molecular formula of nitrogen

Answer:

a) The subshell would be 5g .

b) Yes L can be bigger than 3 in case of n=5.

Explanation:

a) The given principle quantum number n=5 signifies the 5th orbit. Also, the given Azimuthal quantum number l=4 represents the g subshell. Thus, the subshell in which the electrons with the given set of principle and azimuthal quantum number are found is 5g.

b) As n=5 and the general rule is l=n-1. So L can be equal to 1,2,3 or 4.

A seed-bearing plant starts its growth from the Joining Of Egg And Sperm Cells in order to form a zygote cell (Option C)

A zygote cell is the first cell product of the process of fertilization, which involves the fusion of a sperm (in this case a pollen grain because we are talking about plants) and one egg cell.

Therefore, with this information, we can conclude that a zygote cell is generated by fertilization and it is the start of diploid life both in plants and animals.

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An example of radioactivity that occurs when a neutron is converted to a proton and an electron is emitted from the nucleus and emission of a beta particle

Radioactivity is the phenomena in which spontaneous disintegration of unstable atomic nuclei to form more energetically stable atomic nuclei and radioactive decay is the highly exoergic and radioactivity that occurs when a neutron is converted to a proton and an electron is emitted from the nucleus and emission of a beta particle and beta particle is emitted by radioactivity by conversion of neutron to proton and fast moving electron and  radioactive decay by the loss of an electron from the nucleus

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The addition of ice at the end of the heating process is important because it increases the solubility of the aspirin product.

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The calculated molar volume of hydrogen will be too high as a result of this error

The gas being recorded during the experiment would not only include hydrogen gas, but the air that leaked into the eudiometer tube as well. This leads to the increase in the volume of hydrogen gas which will be too high. Since the volume of hydrogen is too high,  the calculated molar volume of hydrogen would also be too high.

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Based on the balanced reaction equation, 9 moles of carbon dioxide are formed when 3 moles of propane are combusted.

From the balanced reaction equation we can see that 3 moles of carbon dioxide are formed upon the combustion of a single mol of propane:

C₃H₈ + 5 O₂ → 3 CO₂ + 4 H₂O

These molar ratios are constant and enable us to set up a simple proportion:

1 mol of propane : 3 mol of carbon dioxide = 3 mol of propane : X

X = 3 mol of carbon dioxide * 3 mol of propane / 1 mol of propane

X = 9 mol of carbon dioxide

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The theoretical yield of C that is obtained is 13.26 g.

We know that the theoretical yield has to do with the amount of the substance that is obtained as we can get it from the stoichiometry of the balanced reaction equation. Hence the first step that we have to carry out is to try to obtain the balanced reaction equation that can be used to describe the reaction as it has been shown.

The balanced reaction equation is;

6 A(aq) + 7 B(aq) → 7 C(s) + 6 D(g)

Number of moles of A = 4.0 L * 0.20 M = 0.8 moles

Number of  moles of B =  3.0 L * 0.20 M = 0.6 moles

Now;

6 moles of A reacts with 7 moles of B

0.8 moles of A reacts with 0.8 moles * 7 moles/6 moles

= 0.93 moles

Thus B is the limiting reactant.

If  7 moles of B yleds 7 moles of C

Amount of C obtained = 0.6 moles

Mass of C obtained =  0.6 moles *  22.01  g/mol

= 13.26 g

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A controlled variable is one that is constant and is unchanged in an experiment. It is held constant in order to observe the result of the independent variable.

An independent variable is the variable that is being changed in the experiment in each trial, while a dependent variable is the one that is being measured.

The specimen at 100x zoom can be identified as an Animal cell as per the observations of it containing the cytoplasmic elements like the cytosol.

Organelles, cytoplasmic elements, the cytosol, and the cell membrane make up the normal structure of an animal cell.

Each of the cell's organelles is a membrane-bound structure with a specific function. Animal cells are the kind of typical eukaryotic cells because they have the presence of a membrane-bound nucleus and organelles and are encased in a plasma membrane.

Animal cells lack a cell wall, in contrast to eukaryotic cells found in plants and fungus. The building blocks of all living things in the kingdom Animalia are called animal cells.

They give bodies shape, take in nutrients to turn into energy, and aid in animal movement. They are also capable of self-replication and contain all an organism's genetic material.

The biggest organelle in animal cells is the nucleus. Cell activity is controlled by the nucleus. It also includes the chromosomes of the cell.

The genetic material (DNA) that makes you who you are is contained in the chromosomes.

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Because red and its complementary hue, green, are communicated, we see CoCl2 as a red color. Green, however, is its complementary color and is what is absorbed. The only color that can be seen is the color that is communicated. Red is what we can see, not green.

The logarithm of the ratio of incident to transmitted radiant power through a sample is known as absorbance. As an alternative, absorbance can be defined as "the negative logarithm of one minus absorptance, as measured on a homogeneous sample," for samples that scatter light.

As opposed to absorption, which occurs when electrons move up to a higher energy state from a lower energy state, emission occurs when electrons move down to a lower energy state, giving rise to a negative energy. When electrons undergo an energy change that is positive and migrate from one state of lower energy to another, this is called absorption. The color that can be seen by the eye is called the transmitted color, whereas the color that cannot be seen is called the absorbed color. The ntary color is discernible.

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Answer:

A= solid

B= Melting and freezing

C= Liquid

Answer:

i dint not knowwws wj

example

Explanation:

this is so hard someone give answer

a density is a height and can the numbers

maid that because is too long with a

short 40.-- micality

hope itz help

The bubbles indicate that a gas is created and mass is lost as it escapes from the container.

Why stduent is told that the both energy and the mass must be conserved in every chemical reaction?

According to the the law of conservation of mass states that in a chemical reaction mass is neither created nor destroyed.So that the student told that both the energy and mass must be conserved in every chemical reaction.

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Answer:

A neutralization reaction is when an acid and a base react to form water and a salt and involves the combination of H+ ions and OH- ions to generate water

Make Me As Brainliest

Answer:

it's b

hydrogen ions and hydroxide ions...

hope it helps you

Because there are free electrons present, solid copper conducts electricity. CuCl2(g) does not conduct electricity because it contains no free electrons.

Because free electrons are drawn to metal cations by electrostatic forces in the metallic connection, metals are referred to as conductors of electricity. The conductivity of solid metals is accounted for by these free electrons.

The word "conductivity" is used to describe a number of physical phenomena. In terms of heat, conductivity is the amount of heat that moves through a slab with a unit cross-sectional area per second when there is no temperature difference between the two faces.

Conductivity is a helpful indicator of water quality in general. Every body of water has a typical conductivity range that, once determined, can be used as a reference point for comparison with routine conductivity tests.

A medium that contains ions and is electrically conducting due to the mobility of those ions but does not conduct electrons is called an electrolyte. This contains the majority of salts, acids, and bases that are soluble when dissolved in polar solvents like water.

Along with magnesium, calcium, phosphate, and bicarbonates, sodium, potassium, and chloride are the important electrolytes. We obtain electrolytes from our diet and drinks. Unbalanced amounts of these electrolytes might result in either high or low levels.

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Answer: 26g

Explanation:

First, write the correctly balanced equation for the reaction taking place:

HBr(aq) + NaOH(s) ==> NaBr(aq) + H2O(l) ...  balanced equation

Next, find out which reactant is limiting. An easy way is to just divide the moles of each reactant by the corresponding coefficient in the balanced equation (1 for both in this case):

HBr:  46.1 g HBr x 1 mol HBr / 80.9 g = 0.570 moles

NaOH:  10. g NaOH x 1 mol NaOH / 40. g = 0.25 mols NaOH

NaOH is limiting and will determine the maximum amount of product that can form.

Maximum amount of NaBr that can form:

0.25 mols NaOH x 1 mol NaBr / 1 mol NaOH x 103 g NaBr / mol = 25.75 g NaBr = 26 g NaBr (2 s.f.)

The mechanism of formation of Nitrosyl bromide from [tex]Br_2[/tex] and NO in a chemical reaction is depicted by the given elementary steps.

The outcome of a reaction combining nitrogen monoxide and [tex]Br_2[/tex] as our starting materials will be nitrosyl bromide; the final mixture will have a combination of all three chemicals.

Nitrosyl bromide is a red gas that condenses slightly below room temperature. The reversible reaction of nitric oxide with bromine can produce nitrosyl bromide.

Overall reaction can be obtained by adding the given two elementary steps:

[tex]Br_2 + NO \rightarrow Br_2NO\\Br_2NO + NO \rightarrow 2BrNO[/tex]

On addition of the above two reactions,

[tex]Br_2 + Br_2NO + 2NO \rightarrow Br_2NO + 2BrNO[/tex]

The overall reaction obtained is:

[tex]Br_2 + 2NO \rightarrow 2BrNO[/tex]

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0.175M is found to be the concentration of the solution from the given titration reaction.

The idea of concentration is one that is frequently utilized in chemistry and related domains. It is a measurement of how much of one substance is diluted with another.

A chemical species' concentration in a solution, specifically the quantity of a solute per unit volume of solution, is measured by its molar concentration.

Given:

Weight = 0.458g

Volume = 12.84mL

Molecular weight = 204.22g/mol

To find:

Concentration = ?

Formula:

Concentration = no. of moles / volume

Calculations:

No. of moles = weight given / molecular weight

No. of moles = 0.458 / 204.22g/mol

No. of moles = 2.242 x [tex]10^{-3}[/tex] mol

Concentration = 2.242 x [tex]10^{-3}[/tex] / 12.84mL

Concentration = 0.175M

Result:

The concentration of the given solution is found to be 0.175M

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The  picture shows the electronic configuration of Carbon which belongs to 14 group and 2nd period in the periodic table.

A gas is said to be inert if it does not readily react chemically with other substances and does not afterwards produce chemical compounds. The noble gases, also known as the inert gases in the past, frequently do not react with numerous things.

In the figure there are 2 e in k shell 8  e in l shell and 2 e in last one. So  total becomes 12 e. The  Carbon contains 12 electron in shells , valence electrons are 2 electrons , group is 14 , period is 2 and family is Carbon family.

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Switch the 3 and the 4, this change must made to the coefficients to balance this equation.

Now, the correct balance equation is C₃H₈ + 5 O₂ → 3 CO₂ + 4H₂O

This method of balancing chemical equations involves assigning algebraic variables as stoichiometric coefficients to each species in the unbalanced chemical equation.

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The mass of water produced is 35.27g in the given chemical reaction.

A chemical reaction is the chemical change of one set of chemical components into another. A chemical reaction is the process through which two or more molecules combine to create a new product(s). Compounds that combine to make new compounds are referred to as reactants, while the newly produced compounds are referred to as products. When chemical bonds between atoms are established or destroyed, chemical reactions occur. Breaking chemical bonds between reactant molecules and establishing new bonds between atoms in product particles are examples of chemical reactions. The number of atoms is the same before and after the chemical transition, but the number of molecules changes.

Balanced equation:

[tex]2C_6H_{14} + 19O_2 \rightarrow 12CO_2 + 14H_2)[/tex]

Given:

Mass of hexane = 43g

Mass of oxygen = 85.1g

To find:

Mass of water formed = ?

Calculations:

According to the balanced equation, 2 moles of hexane react with 19 moles of oxygen to form 12 moles of carbon dioxide and 14 moles of water.

Molar mass of hexane = 86.118g/mol

Molar mass of oxygen = 32g/mol

(2 x 86.118)g of hexane required = (19 x 32)g of oxygen

43g of hexane required = (19 x 32) / (2 x 86.118) x 43

= 151.79g of oxygen

But we have only 85.1g of oxygen, thus it is a limiting reagent

Now,

(19 x 32)g of oxygen reacts to produce = (14 x 18)g of water

85.1g of oxygen reacts to produce = (14 x 18) / (19 x 32) x 85.1

= 35.271g of water

Result:

35.27g of water is produced.

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Answer:

Soap

Explanation:

The temperature reading on Fahrenheit scale is related to the The temperature reading on Celsius scale by a linear equation F = 9/5 C + 32

Data for Fahrenheit temperature scale:

Water freezing point = 32⁰

Water boiling point = 212⁰

Therefore, the scale is divided into 212 - 32 = 180 scales.

Data for Celsius temperature scale:

Water freezing point = 0⁰

Water boiling point = 100⁰

Therefore, the scale is divided into 100 - 0 = 100 scales.

Scale ratio:

C : F = 100 : 180 = 5 : 9

It means each increment of 1⁰ on Celsius scale is equal to an increment of 9/5 degree on Fahrenheit scale. However, we need to add an offset 32⁰ on Fahrenheit scale.

Hence,  the reading C⁰ on Celsius scale is equivalent to:

F = 9/5 C + 32

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Answer:vinegar will disolve in water, water will not go into veg oil because it is polar.

rubbing alcohol will disolve in water and not in vegtable oil because it is nonpolar

salt will disolve and water will not disolve in veg oil because it is ionic

Explanation:

Answer:

A column in the periodic table of the chemical elements.

Answer:

A group is the arrangement of elements vertically, in the periodic table. It can be determined by the number of valence electrons present in the atom.

The atomic weight of one carbon atom = 12 amu

Mass of 1 mole of carbon atoms = 1 × atomic weight of one carbon

= 12 gm

Since we already know that the atomic mass is specified for one mole of the atom, we may get the mass of one atom by dividing the mass by Avogadro's number.

The mass of one atom of carbon is = Atomic mass/Avogadro number

= 12g/6.022×10^23

= 126.022×10^−23g

= 1.9933×10^−23g

Hence, the mass of 1 carbon atom is 1.9933×10^−23grams

Now,

Mass of 8.99 x 10^24 atoms = (8.99 x 10^24) x (mass of 1 carbon atom)

⇒ Mass of 8.99 x 10^24 atoms = 8.99 x 10^24 x 1.9933×10^−23grams

⇒ Mass of 8.99 x 10^24 atoms = 17.919767 x 10

⇒ Mass of 8.99 x 10^24 atoms = 179.2 g (approx.)

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Perfect gas is a hypothetical gas in which the volume of the individual atoms (molecules) is negligible compared to the total volume of the container is true.

For a gas to be ideal, it has to follow the following rules.

The volume of molecules of a Perfect gas also known as an ideal gas has to be almost negligible as compared to the volume of the container.

The molecules do not attract or repel each other. They hardly collide with other in an elastic collision. This elastic collision also happens with the wall of the container.

So according to the first rule, the volume of individual molecules is negligible as compared to the the total volume of the container.

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The correct option is A.

The percentage error in the measurement of the density is about 12%.

The error in any measurement is the difference between the actual measurement of the substance and the estimated measurement of the substance.

The percentage error is obtained by dividing the error in the measurement by actual measurement and multiply the result by 100%.

The average density measurement = 6.5 g/mL

error = actual measurement - estimated measurement

error = 7.4 g/mL - 6.5 g/mL

error = 0.9 g/mL

percentage error = (0.9 / 7.4) x 100%

percentage error = 12.16 %

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No, at least one segment length is not preserved, making this a nonrigid transformation.

This transformation is nonrigid since it does not retain the length of at least one segment.

An isometry, often known as a rigid transformation of the plane, preserves length.

Reflections, translations, and rotations, are a combination of these three transformations and are all considered "rigid transformations".

The idea of a rigid transformation is that neither the size nor the shape is changed.

The second response, which results in a unit with a length of 5 units, is valid because segment JK's length of 2 units is not preserved when it is mapped onto segment J'K'.

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