Briefly explain how you will isolate p tert butylphenol.

There are several types of solutions, including dilute solutions, concentrated solutions, saturated solutions, unsaturated solutions, and supersaturated solutions. Each type of solution has specific characteristics that distinguish them from one another.

Dilute solutions: These solutions have a small amount of solute dissolved in a larger amount of solvent. They have a low concentration of solute particles. Concentrated solutions: Concentrated solutions have a large amount of solute dissolved in a smaller amount of solvent. They have a high concentration of solute particles. Saturated solutions: Saturated solutions contain the maximum amount of solute that can dissolve in a given amount of solvent at a particular temperature. Any additional solute added will not dissolve. Unsaturated solutions: Unsaturated solutions have not reached their maximum solute capacity and can dissolve more solute. Supersaturated solutions: These solutions contain more solute than what is normally possible at a given temperature. They are achieved by dissolving the solute at a higher temperature and then cooling the solution slowly.

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The IUPAC name  of the oxyacid formed from chlorite is chlorous acid.

All oxyacids have the acidic hydrogen bound to an oxygen atom, so bond strength (length) is not a factor, as it is with binary nonmetal hydrides. Rather, the electronegativity of the central atom and the number of oxygen atoms determine oxyacid acidity. For oxyacids with the same central atom, acid strength increases with the number of oxygen atoms attached to it. With the same number of oxygen atoms attached to it, acid strength increases with increasing electronegativity of the central atom.

Compared to the salts of their deprotonated forms (a class of compounds known as the oxyanions), oxyacids are generally less stable, and many of them only exist formally as hypothetical species, or only exist in solution and cannot be isolated in pure form.

Thus, the IUPAC name  of the oxyacid formed from chlorite is chlorous acid.

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Answer:

well with that you can make a water maker that might make you brother happy because it will keep him alive

Explanation:

Answer:

you could sew a doll for him

or you could punch him in the face and tell him to cheer up

Explanation:

The given molecule is CH3CH2CH2OCH3. The number of nonequivalent protons in the given molecule is: c) 3

A molecule with n nonequivalent protons absorbs energy at n different frequencies, the chemical shift $\delta$ of a peak is influenced by the chemical environment of the protons. Nonequivalent protons are not equal due to their different chemical environment. In the given molecule CH3CH2CH2OCH3, there are 3 different chemical environments for protons, therefore the molecule has 3 types of nonequivalent protons.  The molecule CH3CH2CH2OCH3 can be represented as:  The CH3 group in the molecule has 3 nonequivalent protons as they are attached to different carbons. The CH2 group in the molecule has 2 nonequivalent protons because one is attached to the oxygen atom and the other is attached to the central carbon atom. Lastly, the proton attached to the oxygen atom is unique as it has a different environment from the rest. Therefore, there are 3 different types of nonequivalent protons in the given molecule.

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There are three types of nonequivalent protons in CH3CH2CH2OCH3.CH3CH2CH2OCH3 molecule.

Step-by-step explanation: There are three types of nonequivalent protons in CH3CH2CH2OCH3. The molecule contains one ethoxy group (CH3O-), which is attached to the propyl chain. The propyl chain itself has three carbon atoms, and each of these carbon atoms bears a unique set of hydrogens. Therefore, there are three types of nonequivalent protons in this molecule. Let's take a closer look at each of the three types of protons:

Type 1 protons are located on the methyl group of the ethoxy group. They are equivalent to one another and have a chemical shift of about 3.4 ppm in the 1H NMR spectrum. There are three such protons

Type 2 protons are located on the methylene group of the propyl chain that is directly connected to the oxygen atom. They are also equivalent to one another and have a chemical shift of about 1.3 ppm in the 1H NMR spectrum. There are two such protons.

Type 3 protons are located on the methylene groups of the other two carbon atoms of the propyl chain. They are not equivalent to one another and have a chemical shift of about 0.9 ppm in the 1H NMR spectrum. There is only one such proton for each carbon atom.

Conclusion: Therefore, there are three types of nonequivalent protons in CH3CH2CH2OCH3.

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Answer:

Explanation:

this is what the Lewis electron-dot diagram of a Cl2 molecule looks like

Lewis electron  diagram of a chlorine molecule is attached in the picture below.

Lewis dot structures are also called as electron dot structures and can be drawn if the molecular formula of a compound is known. It provides information regarding the nature of bond and the position of atoms .

They are also capable of exhibiting the lone pair if any present in a molecule or compound.Lewis defined a base to be an electron pair donor and an acid to be an electron pair acceptor.

They are capable of reflecting electronic structure of elements and even the pairing of electrons . In the diagram, each dot represents an electron while a pair of dots represent a bond between the atoms.They are useful in predicting the structure.

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According to the relation of variables in the electromagnetic spectrum the maximum wavelength of light is 36.3 ×10\(^-\)³¹ m.

The  electromagnetic spectrum consists of electromagnetic radiation consists of waves made up of electromagnetic field which are capable of propogating through space and carry the radiant electromagnetic energy.

The radiation are composed of electromagnetic waves which are synchronized oscillations of electric and magnetic fields . They are created due to change which is periodic in electric as well as magnetic fields.

In the given problem,energy is related to wavelength by the formula, λ=hc/E,λ=6.626×10\(^-34\)×3×10⁸/547×1000=36.3×10\(^-31\) m.

Thus, the maximum wavelength of light is 36.3×10\(^-31\) m.

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To determine the actual yield of casein in mg from 240 ml of whole milk, the given milk should be processed to remove the casein completely.The mass of the empty container should then be deducted from the mass of the container containing the dried casein to obtain the actual yield of casein.

The following steps are required to obtain the actual yield of casein in mg from 240 ml of whole milk: Measure 240 ml (1 cup) of whole milk. Add 10 ml of 1M acetic acid and stir well. Filter the milk using filter paper to obtain the curd. Dry the curd completely by keeping it in an oven for some time. Weigh the dried curd to obtain the actual yield of casein in mg.

To prevent the mass of water from being added to the dried curd, the product must be completely dry before measurement. Otherwise, the wet product might add the mass of water, resulting in more than 100% yield.The yield of casein is determined by subtracting the weight of the empty container from the weight of the container containing casein. The mass of the empty container should be deducted from the mass of the container containing the dried casein to obtain the actual yield of casein.

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CO2 concentration and temperature are related graphically by plotting them on a graph, where the x-axis represents time and the y-axis shows the values of CO2 concentration and temperature. Generally, as CO2 concentration increases, the temperature also rises, showing a positive correlation between the two.

One cycle, referring to the time between two major troughs or major peaks, is approximately 100,000 years. This cycle length is based on the natural fluctuations in Earth's climate, such as those observed during the ice ages and interglacial periods, where CO2 concentration and temperature follow cyclical patterns.

The relationship between CO2 concentration and temperature can be graphically depicted by plotting their values over time. Studies have shown that there is a positive correlation between the two variables, indicating that as CO2 concentration increases, so does temperature. The graph typically shows a cyclical pattern, with peaks and troughs occurring over time.
The approximate number of years it takes to complete one cycle varies, but it is estimated to be around 100,000 years. This cycle refers to the amount of time between two major peaks or troughs in the graph, which represent high points and low points in temperature and CO2 concentration levels. Understanding these cycles is essential in predicting the impact of climate change and developing strategies to mitigate its effects.
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N₂(g) + 2O₂(g) → 2NO₂(g) represents a reaction with a heat of reaction that indicates a net release of energy.

Thus, Exothermic refers to a chemical reaction that produces a net release of energy. On the other hand, an endothermic chemical reaction needs a net energy intake to proceed. The formation or breaking of chemical bonds corresponds to the link between chemical reactions and energy exchange.

When all other things are equal, atoms that are bound together have less total energy than the same atoms that are existing apart.

As a result, when individual atoms come together to create a molecule, they transition from a high to a low energy state, releasing the energy difference in some form (heat, light, etc.). On the other hand, to sever the chemical link and force the atoms apart, energy must be applied.

Thus, N₂(g) + 2O₂(g) → 2NO₂(g) represents a reaction with a heat of reaction that indicates a net release of energy.

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Answer:

it is 12

Explanation:

because matter can put be created or destroyed

Answer:

The correct option is;

C. It will become more brown

Explanation:

Given that the reaction is as follows;

Cl₂(g) + ICl (g) ⇄ ICl₃

We have that the reaction and a decrease in the concentration of the reactants will favor the reverse reaction that is the decomposition of the yellow iodine trichloride and the formation of green chlorine gas and brown iodine chloride

Given that some green chlorine gas, which is part of the reactant, will be removed, the reverse reaction will be favored and initial concentration of the yellow iodine trichloride and the green chlorine gas will be reduced while the proportional concentration of the brown iodine chloride will increase and the mixture will become more brown.

Answer:

become more green

Explanation:

Polypeptides over 100 amino acids long are generally classified as proteins.  A polypeptide is a polymer of amino acids, and it is formed by peptide bonds between the amino group of one amino acid and the carboxyl group of another amino acid.

The sequence of amino acids in a polypeptide determines the final protein's shape, size, and function. The shape of the protein is critical to its function, as it determines how it interacts with other molecules in the cell.

Some examples of protein categories include enzymes, structural proteins, transport proteins, and regulatory proteins. In conclusion, polypeptides over 100 amino acids long are classified as proteins, which are macromolecules made up of one or more polypeptides.

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Answer:

electrons

Explanation:

When objects are in contact, energy is transferred through conduction. The correct answer is option A.

Energy is a fundamental quantity that is defined as the ability of a system to do work or produce heat. It is a scalar quantity and is measured in joules (J).

Conduction occurs when the particles in one object collide with the particles in another object, resulting into transfer of energy from the warmer object to the cooler object. This transfer of energy continues until the two objects reach thermal equilibrium, or the point at which they have the same temperature.

Therefore, option A. conduction is a process through which energy is transferred when objects are in close contact.

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The pair of reaction will be solvolysis. Both reaction will occur by SN1 mechanism.        

Solvolysis is a chemical reaction in which the solvent, such as water or the alcohol, is one of the reagents and it is present in great excess of that required for the reaction.

For the two reactions, the organic product is the same. Both the reactions will occur by SN1 mechanism since the substrate is a tertiary alkyl halide and the nucleophile is CH3OH as well as the rate of reaction depends on the concentration of the alkyl halide and the independent of the concentration of methanol present.

Therefore, change the volume of the solvent has no effect on the rate of reaction. The two reactions will proceed exactly the same rate since the initial concentration of the alkyl halide is the same for both the reactions.

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1.98 moles of Magnesium oxide were formed.

The balanced chemical equation is the equation in which the number of atoms on the reactant side is equal to the number of atoms on the product side in an equation.

Now write the balanced chemical equation

2Mg + O₂ → 2MgO

(2 × 24)          2 × (24 + 16)

48 g of Mg gives 80 g of MgO

To find the number of moles use the expression

Number of moles = \(\frac{\text{Given mass}}{\text{Molar mass}}\)

                              = \(\frac{80}{40.3}\)

                              = 1.98 mole

Thus from the above conclusion we can say that 1.98 moles of Magnesium oxide were formed.

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Answer:

C) Why are children happ when they get home from school

Explanation:

Reaction rate: According to the question The order of a is 1 and the order of b is 2.

Reaction rate is the speed at which a chemical reaction occurs. It is closely related to the reactants, products, and the conditions of the reaction, such as temperature, pressure, concentration, and catalysts.

This can be determined by looking at the reaction rate. When the concentration of a is doubled, the reaction rate stays constant. This indicates that the reaction is not dependent on the concentration of a, and therefore its order is 1. When the concentration of b is doubled, the reaction rate doubles. This shows that the reaction is dependent on the concentration of b, and therefore its order is 2.

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Answer:

Answer: Carbon dioxide and Water

Explanation:

» Butane is an alkane. When alkanes undergo combustion [ oxidization ], carbondioxide and water are formed.

For water: q = cmΔT = 4.18 ∙ 150 (32.6 – 22.4) = 6395.4J

For brass: c = q / mΔT = 6395 / 127.68 (163 – 32.6) = 0.384 J / gC

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The contaminated sample has a sodium chlorate content of about 18.51%.

To calculate the percentage of sodium chlorate in the impure sample, we need to use the stoichiometry of the reaction and the ideal gas law. The balanced chemical equation for the decomposition of sodium chlorate is:

2 NaClO3(s) → 2 NaCl(s) + 3 O2(g)

From the equation, we can see that for every 2 moles of NaClO3 that decompose, 3 moles of O2 are produced. Therefore, the number of moles of O2 produced by the decomposition of the impure sample can be calculated using the ideal gas law:

PV = nRT

where P is the pressure of the O2 gas, V is the volume of the gas, n is the number of moles of the gas, R is the gas constant, and T is the temperature in Kelvin.

First, we need to convert the volume of the O2 gas to moles using the ideal gas law:

n = PV/RT

where P is the pressure of the O2 gas, V is the volume of the gas, R is the gas constant (0.08206 L atm mol^-1 K^-1), and T is the temperature in Kelvin.

n = (1.00 atm)(0.0572 L)/(0.08206 L atm mol^-1 K^-1)(298 K) = 0.00228 mol

Since 3 moles of O2 are produced for every 2 moles of NaClO3, the number of moles of NaClO3 in the impure sample can be calculated as follows:

n(NaClO3) = (2/3)n(O2) = (2/3)(0.00228 mol) = 0.00152 mol

The molar mass of NaClO3 is 106.44 g/mol, so the mass of NaClO3 in the sample can be calculated as follows:

mass(NaClO3) = n(NaClO3) × M(NaClO3) = 0.00152 mol × 106.44 g/mol = 0.162 g

Therefore, the percentage of NaClO3 in the impure sample is:

% NaClO3 = (mass(NaClO3)/mass(sample)) × 100% = (0.162 g/0.8765 g) × 100% = 18.51%

In conclusion, the impure sample contains approximately 18.51% of sodium chlorate.

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Answer:

Sandstone, limestone, and shale

Explanation:

The rocks are most likely to start as sediments carried in rivers and end up in lakes and oceans

Answer:

D - materials dissolved in solutions

Explanation:

EDGE 2021

A chemical reaction is a product formation through the reactants. In a reaction the number of atoms, molecules, and mass are conserved. Thus, option D is correct.

A chemical reaction involves a reactant on the left side of the reaction equation that changes to produce reactants. In a reaction, the conservational law of mass is always followed.

The number of atoms and the molecules involved in a reaction is also the same in the reactants and the products formed as can be seen from the stoichiometry coefficient of the balanced equation.

Therefore, option D. mass, atoms, and molecules are conserved in a reaction.

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The standard reduction potential for the half-reaction of Be^2+ + 2e^- -> Be is given as E^0 = 3.83 V.

For the half-cell Hg^2+ | Hg, the standard reduction potential is not provided in the given information. To calculate the electric potential for the voltaic cell, we need the reduction potential for the Hg^2+ | Hg half-cell.

A voltaic cell, also known as a galvanic cell or an electrochemical cell, is an electrochemical device that generates electrical energy through a spontaneous chemical reaction. It consists of two half-cells connected by an external circuit and a salt bridge or porous barrier that allows the flow of ions between the two half-cells.

Each half-cell consists of an electrode immersed in an electrolyte solution. The electrode is typically made of a metal or a conductive material, and the electrolyte is a solution containing ions that can participate in the redox (reduction-oxidation) reaction.

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1) Assuming that only single bonds are formed by group 4A(14) elements, the shape of a central atom of group 14 is tetrahedral.

The general electronic configuration of group 14 elements is ns²np² and it is shown in box diagram in the attached image. When one electron is excited, it goes in vacant p-orbital and the p and s-orbital is half filled. It is shown in attached image.

When the another atoms are filled in the half-fiiled orbital, it forms sp³ hybridisation and its shape is tetrahedral.

Therefore, the shape of central atom of group 14 is tetrahedral.

2) Assuming that only single bonds are formed by group 4A(14) elements, the shape of a central atom of group 15 is pyramidal.

The general electronic configuration of group 15 element is  ns²np³ and its box diagram is already shown in the image. When atoms are filled, it goes in p-orbital and pair of electron acts as a lone pair. Due to this lone pair, lone pair-bond pair repulsion is occurred and the geometry of the central atom is pyramidal.

Therefore, the shape of central atom of group 15 is pyramidal.

3) Assuming that only single bonds are formed by group 4A(14) elements, the shape of a central atom of group 16 is bent.

The general electronic configuration of group 16 is ns²np⁴ and its box diagram is shown in the attached image. There are two electron pairs which acts as a lone pair and another two orbitals are filled by another atom. When they are filled, it shows lone pair-lone pair, lone pair-bond pair and bond pair-bond pair repulsion. Therefore, they are come closer to each other and forms bent shape.

Therefore, the shape of the central atom of group 16 is bent shape.

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The relative formula mass of the group 2 carbonate W is 41 g/mol.

Assuming that the gas produced is measured at standard temperature and pressure (STP), which is 0°C and 1 atmosphere pressure, the volume of one mole of gas is 22.4 dm³.

So if 1 mole of Group 2 carbonate W produces 24 dm³ of gas at STP, then the molar volume of the gas produced is:

24 dm³ / 22.4 dm³/mol = 1.07 mol

This means that one mole of Group 2 carbonate W produces 1.07 moles of gas. Since the gas is most likely carbon dioxide (CO₂) which has a formula mass of 44 g/mol, the relative formula mass of Group 2 carbonate W can be calculated as:

Relative formula mass = Mass of 1 mole of CO₂ / 1.07

Relative formula mass = 44 g/mol / 1.07

Relative formula mass ≈ 41 g/mol

Therefore, the relative formula mass of the Group 2 carbonate W is approximately 41 g/mol.

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The complete question is:

24 dm3 of gas is produced when one mole of a Group 2 carbonate is heated.

Determine the relative formula mass of the Group 2 carbonate W.

Use the graph above.