Protein is unique because it is the only macronutrient that has a nitrogenous component as part of its chemical makeup. When the carbon skeletons of amino acids are metabolized to produce glucose or fat, ammonia is the resulting product. What happens to ammonia?.

Chemical substances with opposing characteristics include acids and alkalis. Alkalis have a pH above 7, while acids have a pH below 7.

Acids are dangerous when there is moisture in the mouth, eyes, or surrounding aqueous solutions because they react violently with water. Certain acids' vapours can harm the eyes, nasal passages, throat, and lungs since they are soluble in water.

Working with acids and bases poses health risks mostly because of their corrosivity, which causes tissue to be destroyed. The pernicious characteristic of hydrofluoric acid, or HF, which causes severe loss of skin without providing any burning sensation.

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Question:

What are the potential dangers associated with acids and alkalis?

Answer

:just switch the first ones around

Explanation:

i d0nt know how to explain sorry

Two substances that have the same pH value are ammonia and sodium bicarbonate. The reason for this is because both of these substances act as weak bases.

The pH value is a measure of acidity or alkalinity in a solution. The pH scale ranges from 0 to 14. A pH value of 7 is neutral, a pH value less than 7 is acidic, and a pH value greater than 7 is basic or alkaline. The pH value of ammonia is 11.0, and the pH value of sodium bicarbonate is 8.3.The pH value of ammonia is high because it is a basic substance. It reacts with water to form ammonium ions and hydroxide ions.

The concentration of hydroxide ions in a solution is what determines the pH value. In other words, a solution with more hydroxide ions has a higher pH value. Since ammonia has a high concentration of hydroxide ions, its pH value is high.Sodium bicarbonate is also a weak base. It reacts with water to form bicarbonate ions and hydroxide ions. The concentration of hydroxide ions in a solution is what determines the pH value. Since sodium bicarbonate has a low concentration of hydroxide ions, its pH value is low compared to ammonia.

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The relative quantity of the water holds a small number of ions. ions dissolved in the water in. The correct option to this question is C.

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TLC means Thin Layer Chromatography. It is a method that can best be described as "Affinity-Based" used in the separation of compounds that are in a mixture.

Unreacted p-nitrobenzaldehyde is simply an organic aromatic compound that contains a nitro group para-substituted to an aldehyde. in this case, if it is unreacted, that means it is the same as before the chemical reation.

Note that the question is missing key information hence the general answer.

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2.50 litres of a 10.0 M solution require the preparation of 25.0 moles of ethylene glycol.

Excellent antifreeze, anti-boil, and anti-corrosive qualities are produced when antifreeze and water are mixed in a 50/50 ratio. The proportion of conventional ethylene glycol to water in severely cold conditions can reach 70% antifreeze, 30% water. The maximum antifreeze to water ratio when using DEX-COOL® is 60/40.

moles = concentration (M) x volume (L)

Given that the desired concentration is 10.0 M and the volume needed is 2.50 L, the setup for calculating the total number of moles of ethylene glycol can be written as:

moles = 10.0 M x 2.50 L

moles = 25.0 mol

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Propane produces more energy as compared to ethanol during burning.

Energy produce by ethanol is 10.45 kilojoules per gram whereas  propane release 46 kilojoules per gram of energy when burn so by comparing these two chemicals we can conclude that propane produces more energy as compared to ethanol during burning.

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The diastereomer are the pairs of the compounds which are the neither superimposable nor the mirror images of the each other.

The Diastereomers are the compounds in which the compound have the  same molecular formula and the sequence of the bonded elements and that are non superimposable, the non-mirror images.

The Diastereomers are such the stereoisomers which are the non identical, and they do not have the mirror images, and therefore they are the non-superimposable on the each other. Enantiomers are the such pair of the molecules which will not exist in the two forms which is the mirror images of the one another and it cannot be the superimposed one on the other.

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This question is incomplete, the complete question is :

draw a diastereomer for each of the following molecules.

       OH       CH₃

        |            |

OH- CH    -   CH - OH

Answer:

300

Explanation:

bcuz why not

Answer:

Models are important in the study of science because they explain a scientific phenomenon that is not directly experienced.

Explanation:

A Model in science is an idea, a process or a system applied by scientists to test hypothesis of a certain phenomenon in study. A model can be used to predict information using the data obtained. However, it is important to mention that after testing a model , a scientist can improve it using new data obtained in the area of study. Models are therefore a vital part of scientific research and the results communicated when explaining a phenomenon.

Answer:

To separate calcium carbonate from a mixture of calcium carbonate and water, you use filtration

Explanation:

Here you need to know that calcium carbonates, like most carbonates, are insoluble so it will not dissolve in the water. Remember that filtration is the method used to separate solids and liquids by passing the mixture through a funnel lined with filter paper.

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The vibrational partition function (Q) for chlorine at 25°C, summing over the lowest 4 vibrational levels, is given by the simplified expression: Q = e^(-2.220).

The relative population between the first and second excited vibrational energy levels (N1/N2) of chlorine at 298 K (25°C) can be calculated using the relative Boltzmann factors, taking into account the energies of the levels and the Boltzmann constant.

The vibrational partition function (Q) represents the sum of the Boltzmann factors for all the vibrational energy levels. For a diatomic molecule like chlorine (Cl2), assuming equally spaced vibrational energy levels and a degeneracy (g) of 1 for each level, we can calculate the partition function.

To calculate Q, we sum over the lowest 4 vibrational levels, taking into account the energy spacing between levels.

The energy spacing between levels is given as 558 cm^(-1), which we convert to Joules using the conversion factor of 1 cm^(-1) = 1.986445 × 10^(-23) J.

Using the formula for the partition function:

Q = e^(-E1/(kT)) + e^(-E2/(kT)) + e^(-E3/(kT)) + e^(-E4/(kT))

Substituting the values:

Q = e^(-5581.98644510^(-23)/(1.3806510^(-23)(25+273)))

Simplifying the exponent and performing the calculations:

Q ≈ e^(-2.220)

Therefore, the vibrational partition function (Q) for chlorine at 25°C, summing over the lowest 4 vibrational levels, is approximately e^(-2.220).

The relative population between the first and second excited vibrational energy levels (N1/N2) of chlorine at 298 K (25°C) can be calculated using the relative Boltzmann factors, taking into account the energies of the levels and the Boltzmann constant.

The relative population (N1/N2) between two vibrational energy levels can be determined using the Boltzmann factors, which depend on the energies of the levels and the temperature.

The energy difference between the ground state and the first excited level is given as 558 cm^(-1), which we convert to Joules using the conversion factor of 1 cm^(-1) = 1.986445 × 10^(-23) J.

Using the Boltzmann factor formula:

N1/N2 = e^(-ΔE/(k*T))

Substituting the values:

N1/N2 = e^(-5581.98644510^(-23)/(1.38065*10^(-23)*298))

Simplifying the exponent and performing the calculations:

N1/N2 ≈ e^(-1.524)

Therefore, the relative population between the first and second excited vibrational energy levels (N1/N2) of chlorine at 298 K (25°C) is approximately e^(-1.524).

Note: The relative population is given as a ratio of the populations between the two levels.

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The internal atomic structure of a mineral plays an essential role in determining the physical and chemical characteristics of the mineral.

It is this unique arrangement of atoms that allow a mineral to assume a particular form and react in certain ways. These structural features can be found in the orientation of an atom's electrons, atoms bonded together, and how the different elements in a particular mineral share electrons. By studying the number and types of elements that are present in a mineral, scientists can gain insight into its atomic structure.

A mineral’s atomic structure affects many of its physical characteristics, such as color, density, hardness, and cleavage. A mineral's atomic structure also plays a role in how it will react chemically with other compounds.

This reaction is determined by the arrangement of the electron orbitals, which in turn affects how it will form bonds with other compounds. In other words, a mineral's behavior will depend on the way its electrons interact with the electrons of other substances. By studying a mineral's atomic structure, scientists can better understand its chemical and physical properties.

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Correct question is :

the internal atomic structure of a mineral most likely determines the mineral's. explain.

Answer:

15.30 ×10²³ molecules of ammonia

Explanation:

Given data:

Volume of ammonia = 57.0 L

Temperature = standard = 273 K

Pressure = standard = 1 atm

Number of molecules of ammonia = ?

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

1 atm ×57.0 L = n ×0.0821 atm.L/ mol.K   × 273 K

57.0 L.atm =  n × 22.41 atm.L/ mol

n = 57.0 L.atm/22.41 atm.L/ mol

n = 2.54 mol

Number of molecules of ammonia:

1 mole of gas have 6.022 ×10²³ molecules of ammonia.

2.54 mol ×6.022 ×10²³ molecules / 1 mol

15.30 ×10²³ molecules

Answer:

La respuesta está en la explicación

Explanation:

Los átomos que no poseen ___CARGA____ son conocidos como ____ÁTOMOS____ ____NEUTROS_____. Los átomos que poseen carga se denominan ___IONES____, aquellos con carga positiva de llaman ____PROTONES____ y son aquellos que __PIERDEN__ electrones. Los ______ANIONES____ son aquellos con carga negativa y son los que _____GANAN___ electrones. Para todos los casos el valor de _MASA__ y _NÚMERO ATÓMICO_ permanecen iguales y son los que sacamos de la tabla periódica.

Chemical energy is the energy that atoms have due of how they are bound together. varied substances have varied amounts of chemical energy, which impacts whether energy is absorbed or released during a chemical reaction.

The energy necessary for a chemical reaction to begin is known as activation energy. It is often thermal energy, although it can be any type of energy. Unless a catalyst is utilised, the quantity of activation energy required for a certain reaction is always the same.

A catalyst is a unique material that minimises the amount of energy required for activation. Reaction energy diagrams depict the energy flow of a chemical reaction. The illustrations depict the following energy values: • The energy of the reactants • The energy of the reactants • The activation energy • The energy of the products.

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Answer:

A is  Mg^2+

B is K^+

C is Se^2-

D is Cl^-

Ca^2+ lies between  Mg^2+ and K^+

S^2-  lies between K^+ and Se^2-

Explanation:

I have attached an image of the four spheres.

Remember that, cations are smaller in size than the corresponding atom atom because the formation of a cation often involves the removal of an entire shell. Anions are larger in size than the corresponding atom because an electron is added thereby expanding the electron cloud and size of the anion.

From left to right let us designate the spheres as ABCD.

A is  Mg^2+

B is K^+

C is Se^2-

D is Cl^-

Ca^2+ lies between  Mg^2+ and K^+

S^2-  lies between K^+ and Se^2-

The size of the spheres, going from smallest to largest, would be: \(Mg^2^+\), \(K^+\), \(Ca^2^+\), \(Cl^-\), \(S^2^-\), \(Se^2^+\).

We can arrive at this answer because:

This is because when donating electrons, the cations get the largest number of protons. This makes the cation nucleus attract the electronic layers, decreasing their extension. In anion, the opposite happens and the increase of electrons increases the extension of the electronic layers.

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Answer:

12

Explanation:

The pH of the solution prepared has been 1.25.

The pH of the solution resulting from the mixing of the two solutions can be given by:

Hydrogen ion concentration = \(\rm \dfrac{M_1V_1\;-\;M_2V_2}{V_1\;+\;V_2}\)

Where, M1 and M2 have been the molarity of the solution and V1 and V2 have been the volume of the solutions.

For the given resulted solution:

Hydrogen ion concentration = \(\rm \dfrac{0.1\;\times\;0.15L\;-\;0.2\;\times\;0.05L}{0.15\;+\;0.05\;L}\)

Hydrogen ion concentration = 0.055 M

pH can be defined as the negative logarithm of hydrogen ion concentration.

pH = - log (Hydrogen ion concentration)

pH = -log (0.055)

pH = 1.25

The pH of the solution prepared has been 1.25.

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Answer:

A small positively charged nucleus surrounded by revolving negatively charged electrons in fixed orbits

In the hydroboration-oxidation reaction, the nucleophile is borane (BH3), and the reaction is regioselective due to the preference for adding to the less substituted carbon atom of the alkene.

In the given experiment, the nucleophile is the compound or species that donates a pair of electrons to form a new covalent bond with another atom or molecule.

In the context of hydroboration-oxidation, the nucleophile is the boron atom (B) in the reagent BH3 (borane). BH3 acts as a Lewis acid and forms a coordinate covalent bond with the nucleophile, which is typically an alkene.

The reaction is considered regioselective because it exhibits selectivity in the formation of a specific regioisomer. In hydroboration-oxidation reactions, the regioselectivity arises from the nature of the reaction mechanism.

During hydroboration, the boron atom adds to the alkene's least substituted carbon atom, resulting in the formation of an organoborane compound. Subsequent oxidation converts the organoborane to an alcohol.

The regioselectivity is primarily attributed to the preference of the boron atom to add to the carbon atom with fewer alkyl groups attached. This preference is due to the electronic and steric factors involved in the reaction mechanism.

The boron atom acts as an electron-deficient species and is attracted to the electron-rich double bond. However, the steric hindrance caused by the alkyl groups around the double bond influences the selectivity, favoring the addition to the less hindered carbon atom.

Overall, the regioselectivity of the hydroboration-oxidation reaction ensures the formation of the desired regioisomer by selectively adding the boron atom to the less substituted carbon atom of the alkene, leading to the synthesis of the target compound.

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Answer:

a) 30.97

b) 3s² 3p²

I hope it's helps you

No of protons=No of electrons=15

Mass no:-No of neutrons+No of protons

\(\\ \tt\longmapsto 15+16=31\)

Now

It has atomic no 15 hence its Phosphorus(P)

Electronic configuration:-

\(\\ \tt\longmapsto 1s^22s^22p^63s^23p^3\).

\(\\ \tt\longmapsto XCl_3\)

or.

\(\\ \tt\longmapsto PCl_3\)

Answer:

0.1 M molar NaaOH

Explanation:

M1V1= M2V2

M1 = 0.150M NaOH

V1=100 ml

V2=150 ml

M2=?

M2= M1V1/V2

M2= 0.150*100/150=0.1 M

In the above intermediate chemical equation, oxygen will appear as follows: O₂(g) as a reactant (option B).

A chemical equation in chemistry is a symbolic representation of a chemical reaction where reactants are represented on the left, and products on the right.

According to this question, an intermediate chemical equation is presented as follows:

As observed in the above chemical equation, oxygen will react in its gaseous form i.e. as a reactant.

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Answer:

Yes

Explanation:

You can find the density of the object using the law: density = mass / volume.

If the density of the object is less than the density of water (1g/cm3) then it will float, otherwise, it should sink.

Answer:

There is nothing attached to this question so I unfortunately cannot help you

Explanation: