What are the possible stress or disturbances for chemical reactions

Only the molecules of NO, SO2 are polar. These chemicals are referred to as polar solvents since they have both positive as well as ends.

a structure where the density of electrons is unevenly distributed. Nonpolar refers to a structure where the density of electrons is more or more uniformly distributed. Numerous physical, molecular, and ecological properties of molecules are influenced by polarity, which can take many different forms.

A polar molecule bond is one in which there is an electrostatic potential difference in between atoms of between 0.5 and 2.0. A polar covalent link is a type of covalent bond with which the atoms are attracted to electrons in uneven amounts, resulting in looked.

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The flask A, flask B, flask C, all have equal average kinetic energy at 0°C.

The average kinetic energy of the particles in a gas is inversely related to its temperature. These particles must move more quickly as the gas warms because their mass is constant.

KE avg = 3/2RT

As a result, it is possible to state that average kinetic energy depends on temperature. As a result, as the temperature rises, the gas molecules become more energetic and move at a faster rate.

The average kinetic energy also stays the same because, in accordance with the question, the temperature is constant across all flasks.

Therefore, the average kinetic energy of flasks A, B, and C at 0°C is the same.

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Complete question is " Consider three identical flasks with different gases:

Flask A: CO at 760 torr and 273 K

Flask B: N₂ at 250 torr and 273 K

Flask C: H₂ at 100 torr and 273 K

In which flask will the molecules have the greatest average kinetic energy per mole?

The mass of 4.86 × 10²⁴ Au atoms is equal to  1589.6 g.

Avogadro’s number can be used to express the number of entities such as molecules, atoms, ions, electrons, or protons in one mole of any substance.

The value of Avogadro’s constant is equal to 6.022 × 10²³ per mole.

Given, the number of atoms of the Au =  4.86 × 10²⁴

The atomic mass of the Au = 197 g/mol

So 6.022 × 10²³ atoms of Au have mass = 197 g

Then 4.86 × 10²⁴ Au atoms will have mass =  1589.6 g

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The isotope that when bombarded with nitrogen-15 yields the artificial isotope dubnium-260 plus 4 neutrons is californium-249.

Californium-249 is a heavy element and when bombarded with nitrogen-15, which is a light element, undergoes a nuclear reaction known as a "cold" fusion reaction. This reaction results in the formation of the artificial isotope dubnium-260, which has a higher atomic number than the starting element and the release of 4 neutrons.This process is known as a Nuclear Transmutation, which is a process in which one element is converted into another element by bombarding it with a beam of particles such as protons, neutrons, or other ions.

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Considering the definition of molar mass,  the mass in 2.6 moles of C₈H₁₂ is 0.2808 kg.

The molar mass of an atom or molecule is the mass of one mole of that particle expressed in grams.

The molar mass of a compound is the sum of the molar mass of the elements that form it multiplied by the number of times they appear in the compound.

Being the molar mass of C₈H₁₂ 108 g/mole, you can apply the following rule of three: If by definition of molar mass 1 mole of the compound contains 108 grams, 2.6 moles of the compound contains how much mass?

mass= (2.6 moles× 108 grams)÷ 1 mole

mass= 280.8 grams= 0.2808 kg (being 1000 gr= 1 kg)

Finally, the mass is 0.2808 kg.

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The correct answer is 7.0 moles of AgNO3 will form 7.0 moles of Zn(NO3)2,

Mole ratio is the ratio between the number of moles of two substances that are involved in a chemical reaction. It is an important concept in stoichiometry, which is the study of the relationship between the amounts of reactants and products in a chemical reaction. Mole ratio is often expressed as a fraction, in which the numerator is the number of moles of one substance, and the denominator is the number of moles of the other substance.

Since the reaction is a 1:1 mole ratio of reactant to product:

AgNO3 → Zn(NO3)2

7.0 mol AgNO3 → 7.0 mol Zn(NO3)2

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To balance a chemical equation, you can only adjust the coefficients; you cannot change the subscripts. The ratios of the atoms in the molecule and the resulting chemical characteristics are altered by changing subscripts.

Changing the coefficients solely affects the quantity of molecules in that specific chemical. However, modifying the subscripts will change the substance itself, rendering your chemical equation incorrect.

You can determine the substance from the subscript. You can find out how much of each element is present in the molecule. The substance itself would change if it were altered. In contrast, simply altering the coefficient results in a change in the number of molecules.

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The relative acidity of orange juice compared to pure water is 1000times. The relationship between acid strength and pH is inverse.

A scale that historically denoted "potential of hydrogen" was used to describe how basic or acidic an aqueous solution was. The pH values of acidic solutions are typically lower than those of basic or alkaline solutions. The pH scale can be used to gauge how strong an acid is. Higher pH values result in weaker acids, while lower pH values result in stronger acids. Therefore, we may conclude that the relationship between acid strength and pH is inverse.

Given the pH of orange juice = 4

Then concentration of orange juice (M1) = 10^-4M

pH of pure water = 7

The concentration of [H+] in water (M2) = 10^-7M

The relative pH = 10^-4/10^-7 = 10^3

Hence  its relative acidity compared to pure water is 1000 times.

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12mol ratios can be obtained .

The net ionic equation is a chemical equation that only depicts the elements, compounds, and ions that are directly involved in the chemical process.
As previously stated, we employ net ionic equations to highlight the molecules that change throughout the reaction. It makes it simple to identify the active molecules in a reaction since they are the only ones in the equation.

Fill in the blanks with the balanced molecular equation.
For each substance, write the state (s, l, g, aq).
Break down strong electrolytes into ions (the complete ionic equation).
Remove the spectator ions from both sides of the full ionic equation.

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4 liters of 30% acid must be added to 2 liters of 15% acid to result in a mixture that is 25% acid.

To find the amount of 30% acid that must be added to 2 liters of 15% acid to result in a mixture that is 25% acid, we can use the concept of percentage concentration. The percentage concentration is defined as the ratio of the number of moles of solute (in this case acid) to the total number of moles of the solution.

Let's call x the number of liters of 30% acid to be added. Then the final volume of the solution is (2+x) liters.We know that the final concentration of the solution is 25%, so we can write the following equation:

(moles of acid in 2 liters of 15%) + (moles of acid in x liters of 30%) / (2+x) = 0.25

We can now use the percentage concentration to find the number of moles of acid in each volume of acid:

moles of acid in 2 liters of 15% = (2L * 0.15) = 0.3 moles

moles of acid in x liters of 30% = (xL * 0.30) = 0.30x molesWe can now substitute these values in the equation above:

(0.3) + (0.30x) / (2+x) = 0.25

Solving for x we can find the volume of 30% acid that needs to be added to the 2 liters of 15% acid:

0.3 + 0.30x = 0.25(2+x)

0.3 + 0.30x = 0.5 + 0.25x

0.05x = 0.2

x = 4 L. Therefore, 4 liters of 30% acid must be added to 2 liters of 15% acid to result in a mixture that is 25% acid.

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The atomic size of a magnesium ion is smaller than the atomic size of sodium ion.

The distribution of electrons in an element's atomic orbitals is known by its electronic configuration. Atoms' electron configurations adhere to a standard nomenclature in which all atomic subshells that contain electrons are arranged in a sequence with the number of electrons they each hold expressed in superscript.

the electronic configuration of each element's electrons:

Na-[tex]1s^{2}2 s^{2}2 p^{6} 3s^{1}[/tex]

Mg-[tex]1s^{2} 2s^{2} 2p^{6} 3s^{2}[/tex]

The magnesium atom is smaller than the sodium atom because its nuclear charge is larger (12+) than that of sodium (11+), according to the electron configuration. The electrons will be drawn more strongly to the magnesium nucleus, reducing the size of the atom.

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Answer:

they were facing the oppisite ways

Explanation:

For a certain brand of gasoline, which has a density of 0.733 g/mL at 25 oC, 41848 grammes would fill a 10.7 gal tank. Mass in relation to volume is referred to as density.

Although the Latin letter D can also be used, the symbol for density is most frequently written as (the lower case Greek letter rho). Any combination of gases can be considered a gas gas solution. As a result of their great distance from one another, gas molecules typically only interact very little. All gases can therefore be thought of as being soluble in one another.

15x 3785.41 ml = 56781.15 ml. Consequently, the mass is calculated as 0.737g/ml x 56781.15 ml = 41848 grammes.

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1 mole of any gas occupies 22.4 L volume. The molecular weight of water is 18 grams. Thus 18 gram of Water will also occupy 22.4 L.We know that at STP one mole of any gas occupies 22.4litres . It means that one mole of hydrogen also occupies 22.4litres of volume at STP. So 10moles of hydrogen gas will occupy =22.4×10=224litres of volume at STP.

To solve this we must be knowing each and every concept related to isomer. Therefore, two  geometric isomers are possible for the complex [CrF[tex]_3[/tex]Br[tex]_3[/tex]]₃⁻.

An isomer is a chemical substance that has the same number and kinds of atoms like another chemical species that differs from it in terms of attributes due to the way the atoms are organized.

Stereoisomerism includes geometric isomerism. It is sometimes referred to as E-Z isomerism or cis-trans isomerism. Geometric isomerism is caused by cyclic compounds' constrained rotation around carbon-carbon double or single bonds.  The complex [CrF[tex]_3[/tex]Br[tex]_3[/tex]]₃⁻ has two  geometric isomers, one is facial and other is meridional.

Therefore, two  geometric isomers are possible for the complex [CrF[tex]_3[/tex]Br[tex]_3[/tex]]₃⁻.

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The mole is the fundamental unit of substance quantity in the SI. 0.041143797572516 moles make up 1 gram of magnesium. The grams to moles formula Use the grams to moles formula to calculate the number of moles, n, of a substance with a given mass, m, (in grams) accurately. n = m / M.

Depending on the substance, yes. As a reminder, a mole is equal to 6.02 1023 atoms and is used to measure quantities. Therefore, it stands to reason that lead and hydrogen would weigh differently. Less moles would be required because it would take a lot fewer lead atoms to make up 1 gram. However, one hydrogen atom has far less mass than one lead atom, therefore more atoms (and moles) would be required to create one gram.

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from the given pair,  Cu 2+  is the  specie that would you expect to be the stronger Lewis acid- Cu 2+

A Lewis acid is a chemical species that can accept a pair of electrons to form a covalent bond. It is named after Gilbert N. Lewis, who first proposed the concept in 1923. In general, a Lewis acid can be any atom, ion or molecule that has an empty orbital that can accept an electron pair from a Lewis base. The Lewis base is a species that can donate a pair of electrons to form a covalent bond.Examples of Lewis acids include metal cations, such as Al3+ and Fe3+, and neutral molecules that have a vacant orbital, such as BF3 and AlCl3. Inorganic compounds like H+ and boron trifluoride (BF3) are also examples of Lewis acids. It is important to note that the Lewis acid-base theory is an extension of the Bronsted-Lowry acid-base theory. This theory only considers the transfer of protons, but Lewis theory consider electron pair transfer.

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A total volume of 100 mL of solution is created by mixing 5g of NaCl with water. The NaCl solution has a molarity of 0.151515.

Weight of NaCl=5 gm.

No.of moles of NaCl = Weight/ Mole .Wt =5/58.5= 0.08547

Weight of water= 100 gm.

Number of water moles = Weigh/Mole Wt =100/18=5.55556

Mole. Fraction of NaCl

=No.of moles of NaCl/ No.of molesNaCl+H2O =0.08547/(0.08547+5.55556)

=0.08547/5.64103 =0.151515

The amount of moles of a solute in a litre of solution is known as its molarity. A capital M is used to represent molarity.

A solution in chemistry is a combination of two or more compounds in which neither ingredient undergoes a chemical transformation. For instance, salt water is a solution that contains both salt and water (the solvent) (the solute). The concentration of a material in a solution is its amount of dissolution. In other words, it refers to the number of ingredients that have been added to your drink. In molarity, concentration is often expressed.

A mole is a fundamental chemical unit. It is the mass of a substance (in grammes) that has the same number of atoms, molecules, or ions as 12 grammes (6.022 x 1023) of carbon-12.

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Using a logarithmic scale with 7 as neutral, lower values are more acidic and higher values are more alkaline, the acidity or alkalinity of a solution is expressed. where c is the number of moles of hydrogen ions present per litre. So pH 2 is 1000 times stronger than pH 5, and vice versa.

For instance, a pH of 2 is 10,000 times more acidic than a pH of 3 and a pH of 5 is 10,000 times more acidic. Ten times as alkaline as a pH of 10 is a pH of 11.

Each whole pH value is ten times more acidic than the next higher value since the pH scale is logarithmic.

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A) Sodium is the element that will produce a new compound when added to a beaker containing an aqueous solution of copper (II) sulfate ().

When sodium is added to an aqueous solution of copper (II) sulfate, a new compound is formed.

This reaction is known as a displacement reaction and occurs when the sodium ions take the place of the copper ions in the solution.

As the sodium ions bond with the sulfate ions, they form sodium sulfate and free copper ions, which can then be extracted from the solution. This reaction is a great example of how chemical reactions can produce new compounds and materials.

This chemical reaction illustrates how certain substances can interact to create new substances with different properties.

Although a part of your question is missing, you might be referring to this question:

Which element will produce a new compound when added to a beaker containing an aqueous solution of copper (II) sulfate ()?

a) Sodium

b) Berrylium

c) Manganese

d) none of the above

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In chemistry, a sigma bond (σ bond) is a chemical bond formed by the overlap of two atomic orbitals. On the other hand, a pi bond (π bond) is a chemical bond formed by the overlap of two p orbitals.

Sigma bonds are the strongest type of covalent bond, with a bond strength of about 280-350 kJ/mol. They are also the shortest bond, with an average length of about 0.15 nanometers (nm).

Sigma bonds are characterized by their short bond length and high bond energy. They are also directional, meaning that they are stronger in certain orientations than in others.

Pi bonds are weaker than sigma bonds, with a bond strength of about 70-100 kJ/mol. They are also longer than sigma bonds, with an average length of about 0.2nm.

Pi bonds are characterized by their longer bond length and lower bond energy compared to sigma bonds. They are also less directional than sigma bonds, meaning that they are relatively equally strong in all orientations.

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Covalent bonds has two types which are a sigma bond is a chemical bond formed by the overlap of two atomic orbitals and a pi bond (π bond) is a chemical bond formed by the overlap of two p orbitals.

Covalent bond is defined as a type of bond which is formed by the mutual sharing of electrons to form electron pairs between the two atoms.These electron pairs are called as bonding pairs or shared pair of electrons.

Due to the sharing of valence electrons , the atoms are able to achieve a stable electronic configuration . Covalent bonding involves many types of interactions like σ bonding,π bonding ,metal-to-metal bonding ,etc.

Sigma bonds are the strongest covalent bonds while the pi bonds are weaker covalent bonds .Covalent bonds are affected by electronegativities of the atoms present in the molecules.Compounds having covalent bonds have lower melting points as compared to those with ionic bonds.

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Answer:

PROPYL ETHANOATE (OR PROPYL ACETATE)

Explanation:

1st step: Identify the functional group of the compound.

             COO is present, hence it is an ester.

2nd step: Split up the compound into CH3COOH and CH3CH2CH2OH.

                 Comes from ethanoic acid and propanol

3rd step: Join the names of the alcohol and the carboxylic acid together.

               Hence, propyl ethanoate.

[tex]NH_{4} Br[/tex](aq ) is expected to have a Ph less than 7 as on dissociation the following constituents will separate

[tex]NH_{4} Br[/tex]    +  [tex]H_{2}O[/tex]    → [tex]NH_{4} OH[/tex](weak base)    +   [tex]HBr[/tex] (strong acid)

A weak base is a strong acid hence B is  correct

[tex]LiNO_{3}[/tex] It is a salt of a strong base and weak acid hence basic  and a PH greater than 7

[tex]MgCl_{2}[/tex]it is a salt of a strong base and strong acid hence a neutral solution of PH 7

[tex]RbCH_{2} H_{3} O_{2}[/tex] It is a salt of a strong base and weak acid hence basic  and a PH greater than 7

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The group number of the element in the periodic table is equal to 15 as it has five valence electrons. Therefore, .option D is correct.

Valence electrons can be explained as the electrons occupying the outer shell of an atom while the electrons placed in the inner shell are known as core electrons. Lewis structures of the elements can be helpful to calculate valence electrons and know the types of bonds.

Valence electrons can be filled in different shells, causing interaction between atoms and leading to the formation of chemical bonds.

The five elements have five electrons in their valence shell therefore it belongs to nitrogen family. The group number can be calculated as 10 + 5 = 15

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Answer:

It's Simple earth just moves noob

At a pressure of 5.0 atm, IS 200 L of gas would need to be stored in the volume tank (V2).

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Answer:

Add coefficients to some of the compounds to balance the number of atoms.

Explanation:

The balanced equation should be CH4 + 2 O2 = CO2 + 2 H2O

So you see we had to use coefficients in front of some of the compounds to balance number of atoms.

[Ar]4s23d6 the electron configuration of the metal ion in Fe(NO3)3.

The noble gas krypton, which is isoelectronic with As arsenic 3 ion (As3), is isoelectronic with [Ar]3d104s2sp6 because it has gained three electrons.

Transition-metal ions are frequently referred to as having dn configurations because their valence electrons are mostly found in d orbitals. For instance, it is claimed that the Co3+ and Fe2+ ions have a d6 configuration.

The number of protons in the atomic nuclei of arsenic, abbreviated As, is 33. 33 electrons would likewise be present in a neutral As atom.

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