What is the maximum number of moles of so3 that can be produced by the reaction of 2. 0 mol of s with of o2?

As a gaseous element condenses, the atoms become closer together and they have more attraction for one another.

The transformation of water vapour into liquid is known as condensation. The process is the opposite of evaporation, in which liquid water turns into a vapour. Either the air is chilled to its dew point or it gets too saturated with water vapour to retain any more water, causing condensation to occur.

Attraction - Gas Particles move continuously in a straight path in a gas. They are significantly further apart and move independently of one another because the kinetic energy of the molecule is larger than the attraction force between them. There are often almost no attractive forces between particles.

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Considering the Dalton's partial pressure, the total pressure in the mixture of gases is 1.371 atm.

The pressure exerted by a particular gas in a mixture is known as its partial pressure.

So, Dalton's law states that the total pressure of a gas mixture is equal to the sum of the pressures that each gas would exert if it were alone:

[tex]P_{T}[/tex] = [tex]P_{1}+P_{2}+......+P_{n}[/tex]

where n is the amount of gases in the mixture.

Dalton's partial pressure law can also be expressed in terms of the mole fraction of the gas in the mixture.  So in a mixture of two or more gases, the partial pressure of gas A can be expressed as:

[tex]P_{A}[/tex] = [tex]X_{a}P_{T}[/tex]

In this case, the partial pressure of gas H₂ can be expressed as:

[tex]P_{H2}[/tex] = [tex]X_{H2} P_{T}[/tex]

You know:

[tex]P_{H2}[/tex] = 0.48 atm

[tex]X_{H2}[/tex] = 0.35

Replacing in the definition of partial pressure of gas H₂:

[tex]0.48atm = 0.35P_{T}[/tex]

Solving:

[tex]P_{T}[/tex] = [tex]\frac{0.48atm}{0.35}[/tex]

[tex]P_{T}[/tex]= 1.371 atm

In summary, the total pressure in the mixture of gases is 1.371 atm.

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3M

3M is the molarity of a koh solution if 200 ml of the solution contains 0. 6 moles KOH.

Molarity : Molarity is defined as the number of moles of solute present in one liter of solution.

We know that,

Molarity = [tex]\frac{n*1000}{v}[/tex]

where,

n = moles of solute of KOH = 0.6

V= volume of solution in ml= 200 ml

Now on substituting the values in the molarity formula,

molarity = [tex]\frac{0.6*1000}{200}[/tex] = 3M/L

Therefore, molarity = 3M

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6 gram of sodium hydroxide (NaOH) needed to make 500ml if  0.3  NaOH solution.

Molarity (M) is the amount of a substance in a certain volume of solution.

Molarity is defined as the moles of a solute per liters of a solution.

The unit of molarity is mol/L.

Volume of NaOH = 500 mL

Molarity of the aqueous solution = 0.3 M

Molar mass of NaOH= (23+16+1) g = 40g

Let the mass of NaOH be X.

Now , according to formula number of moles of a given substance = given mass / molar mass

Therefore, no. of moles of NaOH =  X/40

Since, molarity = number of moles of solute/ volume of solution in liter.

Hence,  0.3 = ( X /40) / (500 / 1000)

Solving this we get X= 6g

6 gram of sodium hydroxide (NaOH) needed to make 500ml if  0.3  NaOH solution.

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(A)  Color changes from reactant to products.

The rate of a chemical reaction is calculated by dividing the rate of change in a reactant or product's concentration by the coefficient from the equation's balanced state.

2N2O5(g)    →  4NO2(G) + O2(g)

A change in color and the appearance of bubbles are two indications of a chemical shift.In a chemical process, the makeup of the components changes; in a physical change, the appearance, smell, or straightforward exhibition of a sample of matter changes without changing its composition.

Despite the fact that we refer to them as physical "reactions," nothing is actually changing. A change in the substance in question's elemental composition is necessary for a reaction to occur. Therefore, from now on, we will simply refer to bodily "reactions" as physical changes.

Physical modifications must only cause a variation in display without altering the composition. Typical modifications include, but are not limited to:

Texture\Color\Temperature\Shape

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The stock solution should have a molarity of 8.24M.

Proportional sets. C₁V₁=C₂V₂ is used to calculate an unknown quantity where two solutions/mixtures are proportional.

It follows that the initial concentration times the initial volume will equal the final concentration times the final volume because the sum does not vary.

Using the formula as follows;

                       C₁V₁ = C₂V₂

Where;

C₁ = initial concentration of the stock solution

C₂ = final concentration of the stock solution

V₁ = initial volume of the stock solution

V₂ = final volume of the stock solution

According to the information given in this question,

V₁ = 25mL = 25/1000 = 0.025L

V₂ = 2L

C₁ =?

C₂ = 0.103M

Using the formula; C₁V₁ = C₂V₂

C₁ = C₂V₂/V₁

C₁ = (0.103 × 2) / 0.025

C₁ = 0.206 / 0.025

C₁ = 8.24 M

Therefore, the stock solution should have a molarity of 8.24M.

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Answer:

four

Explanation:

i said so

Answer:

Explanation:

The energy of a particle in the box increases proportionally to n-squared. This means that the energy spacings increase at high values of n.

The energy levels of a quantum particle-in-a-box decreases as the quantum number increases.

Quantum numbers can be used to describe the trajectory and the movement of an electron in an atom.

The set of numbers used to describe the position and energy of an electron in an atom is called quantum numbers.

These are the four quantum numbers, i.e., principal quantum number (n), magnetic quantum number (m), azimuthal quantum number (l), and spin quantum number (s).

As the energy levels of a quantum particle-in-a-box decreases as the quantum number increases.

Therefore, The energy levels of a quantum particle-in-a-box decreases as the quantum number increases.

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A mutation has occurred directly after the start codon within an mrna sequence. A deletion of two nucleotide provided mutation will have the most serious effect on the resulting polypeptide.

The first codon in mRNA transcript is known as start codon.

Start codon provides initiation signals for the ribosomes to start the process of translation during which formation of polypeptide chain takes place.

It arises when the normal sequence of codon is disrupted by the insertion or deletion of one or more nucleotides, provided that the no. of nucleotide which is added or removed is not multiple of three.

Thus, we concluded that the deletion of two nucleotide make frameshift mutation.

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The monomers that react together to form polyurethane polymer are diisocyanate and diol.

Polyurethane polymer is made up of monomers diisocyanate and diol. It is mostly used in home furnishing in flexible form. The structures of monomers are as follows:

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"Transition metal elements" are the type of element which have atomic radii which remain relatively constant across a period.

Periods refer to the horizontal lines of the periodic table. Each period represents the sequential occupation of an atom's valence shell orbitals, also with longer periods representing the employment of an atom's d subshell orbitals.

As the atomic number rises, more electrons, as well as protons,  are present, increasing attraction over time, which drives the atomic radius to shrink over time.

Therefore, "Transition metal elements" are the type of element which have atomic radii which remain relatively constant across a period.

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Answer:

can u show the answer it give you for the question

The float property allows the positioning of an element to the right or left of other elements.

In the context of web development and CSS, the "float" property is used to control the positioning of elements within a container. It allows you to move an element to the left or right of its containing element, enabling other elements to flow around it.

When an element is floated, it is taken out of the normal flow of the document, allowing other elements to wrap around it. This can be particularly useful for creating layouts where you want elements to appear side by side or to create text flow around images.

The "float" property can take one of two values: "left" or "right". When an element is set to "float: left", it will move to the left of its containing element, and any subsequent elements will wrap around it on the right side. Conversely, when set to "float: right", the element will move to the right, and subsequent elements will wrap around it on the left side.

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The mechanism for the interconversion of α-d-glucose and β-d-glucose in dilute HCl include the proton transfer in first step and nucleophilic attack in second step.

In the first step oxygen donates its lone pair of electron to hydrogen of HCl. There is removal of water molecule from the substance α-d-glucose.

The organic reaction where one nucleophile replaces another is called nucleophilic substitution reaction. These reaction takes place in aromatic compounds, acyl compounds and aliphatic compounds. SN¹ reactions are nucleophilic substitution reaction.

Thus from the above conclusion we can say that The mechanism for the interconversion of α-d-glucose and β-d-glucose in dilute HCl include the proton transfer in first step and nucleophilic attack in second step.

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430 g of AgCl would be needed to make a 4.0m solution with a volume of 0.75 L.

Remember that mol/L is the unit of molarity (M).

We can compute the necessary number of moles of solute by multiplying the concentration by the liters of solution, according to dimensional analysis.

0.75L×4.0M=3.0mol

Then, using the periodic table's molar mass for AgCl, convert from moles to grams:

3.0mol×143.321gmol=429.963g

The final step is to round to the correct significant figure, which in this case is two: 430g.

Hence, 430 g of AgCl would be needed to make a 4.0m solution with a volume of 0.75 L.

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An acute effect is an immediate or rapid harmful reaction to a exposure.

A chronic effect is a permanent/ long-lasting consequence from exposure to a single dose or to repeated lower doses of a harmful substance.

What is an acute effect?

Acute (short-term) effects show up immediately or soon after exposure to the chemical. They may be minor, like nose or throat irritation, or they could be serious, like eye damage or passing out from chemical vapors. It is an adverse effect on a human or animal body, with severe symptoms developing rapidly and coming quickly to a crisis.

What is a acute effect example?

Examples of acute health effects include dizziness, skin irritation, and throat irritation. Keep in mind that a chemical may cause both acute and chronic effects.

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The balanced chemical equation for the standard formation reaction of liquid acetic acid is given as ,

[tex]2C(gr) +2H_{2} (g) +O_{2} (g)[/tex]  → [tex]CH_{3} COOH(l)[/tex]

The reaction that form the products from their elements in their standard state is called formation of reaction .The acetic acid consist C , H , and O , So, determine their standard state . Carbon is graphite at 25°C and 1 atm , whereas hydrogen and oxygen are diatomic gases . Hence , we start with unbalanced reaction.

[tex]C(gr) +H_{2} (g) +O_{2} (g)[/tex] → [tex]CH_{3} COOH(l)[/tex]

The balanced chemical equation for the standard formation reaction of liquid acetic acid as,

[tex]2C(gr) +2H_{2} (g) +O_{2} (g)[/tex]  → [tex]CH_{3} COOH(l)[/tex]

The combustion of liquid acetic acid is given as,

[tex]CH_{3} COOH(l) + 2O(g)[/tex] → [tex]2CO_{2}((g) +2H_{2} O(l)[/tex]                    ΔH =-873

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Answer:

D.) magnesium and sulphur​

Explanation:

Generally, ionic bonds form between a metal and a nonmetal.

Generally, covalent bonds form between two nonmetals.

Generally, metallic bonds form between two metals.

Nonmetals are located on the right side of the periodic table (apart from the noble gases in the final column). Hydrogen is also a nonmetal. Metals are every other element in the periodic table.

A.) Hydrogen (nonmetal) and carbon (nonmetal) = covalent

B.) Aluminum (metal) and magnesium (metal) = metallic

C.) Silicon (nonmetal) and chlorine (nonmetal) = covalent

D.) Magnesium (metal) and sulphur (nonmetal) = ionic

An overpack containing four one-liter metal cans of NA1993, Compounds, cleaning liquid, a Class 3 (Flammable liquid), PG III, being offered for transportation by highway, may qualify for specification packaging. This is further explained below.

Generally, The term "specification packaging" refers to a package that meets one of the packaging specifications or standards listed in this subchapter's parts 178 or 179.

In conclusion, It's possible that an overpack that contains four metal cans of one liter each filled with NA1993, Compounds, cleaning liquid, a Class 3 (Flammable liquid), PG III, and that's being provided for transportation on the highway might qualify as specified packing.

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27.94 g/mole is the molar mass of the unknown gas.

Use Graham's Law, which indicates that the square root of a gas's molar mass determines its rate of effusion.

The following equation compares two distinct gases, (a) and (b), and expresses this:

sqrt(M(b)/M) = R(a)/R(b) (a)

R is the effusion rate.

square root = sqrt

the molar mass, M

In response to your query, if gas (a) is the unknown gas and Xe(M = 131 g/mol) is the second gas, we have:

sqrt(M(Xe)/M(a) = 2.165, where R(a)/R(Xe)

Square both sides, and you get:

(2.165)² = 131 g/mol/ M (a)

M(a)(2.165)² = 131

M(a) is equal to 131/(2.165)² = 27.94 g/mol.

Having a molar mass of 27.94 g/mol, the unknown gas.

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Covalent hydrogen bond is joining the two hydrogen atoms.

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The mass (g) of a piece of magnesium wire that produces 41. 8 ml of hydrogen gas collected over water at 21. 0 °c and at a pressure of 752 torr is  0.041 gm.

Calculation,

According to ideal gas equation,

PV = nRT

Where, P is the pressure = 752 torr = 752 mmHg/760 mmHg/atm

P is the pressure in atm = 0.989atm

V is the volume = 41. 8 ml = 0.0418 L

R is the universal gas constant = 0.0821 Latm/mol K

T is the temperature =  21. 0 °C = 21. 0 + 273 = 294 K

n is the number of moles = ?

By putting value of P , V , T , and  R in equation (i) we get,

0.989atm × 0.0418 L = n ×0.0821 Latm/mol K ×294 K

n = 0.989atm × 0.0418 L/0.0821 Latm/mol K×294 K = 0.00171 mol

Number of moles (n) = given mass/ molar mass =  given mass/24.305

Mass = Number of moles×molar mass =  0.00171 mol×24.305 g/mol

Mass of the magnesium wire = 0.041 gm

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Answer:

4 M

Explanation:

Molarity can be represented by the following ratio:

Molarity = moles / volume (L)

Since you have been given both the mass and volume, you can plug the values into the equation and solve for molarity.

Molarity = moles / volumes

Molarity = 2.0 moles / 0.50 L

Molarity = 4 M

When atoms of beryllium-9 are bombarded with alpha particles, neutrons are produced, the new isotope will be C-6.

In research, the physicist James Chadwick attacked Beryllium using alpha particles produced by the nuclear reactions of polonium naturally. High radiation penetration through some kind of lead shield was seen, which the then-current particle theories were unable to account for.

There was indeed the production of a carbon-12 nucleus as well as the production of a neutron whenever one blasted beryllium with alpha particles.

The reaction of alpha decay can be written as:

[tex]Be^{9} _{4} + He^{4} _{2}[/tex] → [tex]C^{12} _{6} + n^{1} _{0}[/tex]

Therefore, when atoms of beryllium-9 are bombarded with alpha particles, neutrons are produced, the new isotope will be C-6.

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The temperature of the chemistry book decreasing as the chemistry book slides across it is the difference when motion is slower.

What is Temperature?

Temperature is a unit used to convey hotness or coolness. It can be stated in terms of any number of arbitrary scales and indicates the direction in which heat energy will naturally flow, i.e., from a hotter body to a cooler body (one at a lower temperature). Temperature is not the same as the energy of a thermodynamic system; for instance, an iceberg has a significantly larger total heat energy than a match, despite the fact that a match is burning at a much higher temperature.

What is relation between motion and temperature ?

When motion is slow , there is an decrease in friction and decrease in thermal(heat) energy which leads to decrease in temperature.

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Answer:

The speed of the particles of the chemistry book increases when the chemistry book slides across the physics book.

Explanation:

edmentum

Chemical symbols that will complete the equation are 2NaCl + Br2

The balanced Chemical reaction is -

                                    [tex]2NaBr[/tex] + [tex]Cl_{2}[/tex] → [tex]2NaCl[/tex]  + [tex]Br_{2}[/tex]

Chlorine ([tex]Cl_{2}[/tex]) is more reactive than bromine([tex]Br_{2}[/tex]). So, chlorine  displaces  bromine  from its  compound.

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The observation is the evolution of carbon dioxide gas.

Sodium hydrogen carbonate is a base while lemon juice contains an acid known as citric acid.

Thus, the reaction in the illustration is involving an acid and a base.

Sodium hydrogen carbonate goes by the formula: NaHCO₃

Citric acid goes by the formula: C₆H₈O₇

The reaction between the two goes thus:

[tex]3 NaHCO_3 + C_6H_8O_7 --- > 3 H_2O + 3 CO_2 + Na_3C_6H_5O_7[/tex]

The carbon dioxide gas is evolved from the reaction vessel in the form of bubbles.

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Ethanoyl chloride is a common acyl chloride. Any other acyl chloride will function similarly.  Similarly, ethanol is regarded as a typical alcoholic beverage. simply substitute the CH3CH2 group with an alkyl group.

The first stage of the reaction (the addition stage) includes a nucleophilic attack on the relatively positive carbon atom by one of the lone pairs on an ethanol molecule's oxygen.

The second stage (elimination) occurs in two stages. The carbon-oxygen double bond reforms in the first step, releasing a chloride ion.

The ethanoyl chloride then removes a hydrogen ion, yielding ethyl ethanoate and hydrogen chloride.

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The number of  electrons present in the nonbonding π molecular orbital of the allyl anion is 4 electrons . 2 in the pi bond of the allyl ion and the other two will be present as a lone pair on the carbon atom.

It is a type of orbital that does not affect the bond order or bond length and the bond order of the molecule and does not affect its energy too.

In allyl anion  allyl anion occupies 4 pi electrons and ψ2 is the Highest Occupied Molecular Orbital whereas ψ3* is the Lowest Unoccupied Molecular Orbital

Therefore, the number of  electrons present in the nonbonding π molecular orbital of the allyl anion is 4 electrons . 2 in the pi bond of the allyl ion and the other two will be present as a lone pair in on the carbon atom.

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Answer is although the question should have 3 significant figures.

Fe + CuSO4 --> Cu + FeSO4

It is already balanced

1 mol Fe : 1 mol CuSO4 : 1 mol Cu : 1 mol FeSO4

Fe: 55.8 g/mol

Cu: 63.5 g/mol

number of moles = mass in grams / atomic mass = 93.7 g / 55.8 g/mol = 1.679 mol

1 mol Fe / 1 mol Cu => 1.679 mol Fe / 1.679 mole Cu

mass = atomic mass * number of atoms = 63.5 g/mol * 1.679 moles = 106.6 g = 107 rounded to 3 significant figures.

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The normal boiling point of fingernail polish remover is 56℃  the vapor pressure of fingernail polish remover at the salon 0.027 atmospheric pressure

The pressure exerted by the vapors due to the atmosphere as it is surrounded by it only is known as vapor pressure and its unit is atm.

As air have small molecules which forms multiple layers and create pressure.

vapor pressure = {1/T1 - 1/T2}

T1 = 56 c

T2 = 22 c

substituting the values,

vapor pressure = [ 1/ 56 - 1 / 22 ]

                         = 0.027 atm.

Therefore, the vapor pressure of nail paint remover is 0.027 atm

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