If 10.0 moles of sulfur dioxide react with excess chlorine gas, what is the theoretical yield (in grams) of CI2O produced?

The PH value of a saturated solution of phenobarbital is,[tex]p^H=4.88 \approx P^H \times 4.9$[/tex]

A saturated solution is a chemical solution containing the maximum concentration of a solute dissolved in the solvent. ​The additional solute will not dissolve in a saturated solution.

The amount of solute that can be dissolved in a solvent to form a saturated solution depends on a variety of factors. The most important factors are:

For saturated solution

W= [tex]1g[/tex], V=[tex]1000ml[/tex], [tex]m_{w}[/tex] = [tex]232.2g[/tex]

Now Molarity = [tex]\frac{WX1000}{m_{w} V}[/tex] = [tex]\frac{1X1000}{(23.2)(1000)}[/tex]

Molarity = [tex]0.0043m[/tex]

Given [tex]P^{ka}[/tex]=[tex]7.4[/tex]

Therefore, [tex]ka =[/tex] antilog [tex](-7.4)=3.98X10^{-8}[/tex]

[tex]$\left[\mathrm{H}_3 \mathrm{O}^{+}\right]=\sqrt{\mathrm{KaXc}} =\sqrt{3.98 \times 10^{-8} \times 0.0043}=1.30 \times 10^{-5}$ \\Now, $\mathrm{pH}^H=-\log \left(\mathrm{H}_3 \mathrm{O}^{+}\right]=-\log \left(1.30 \times 10^{-\mathrm{E}}\right)=4.88$.\\$\therefore p^H=4.88 \approx P^H \times 4.9$[/tex]

Therefore, the PH value of a saturated solution of phenobarbital is,[tex]p^H=4.88 \approx P^H \times 4.9$[/tex]

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The molecular formula gives the actual number of atoms of each element present in a molecule, while the empirical formula gives the simplest whole number ratio of atoms of each element present in a molecule.

The molecular formula and the empirical formula of a compound are related but they are not the same. The molecular formula is the actual number of atoms of each element present in a molecule of the compound, while the empirical formula gives the simplest whole number ratio of atoms of each element present in a molecule of the compound.

In other words, the molecular formula expresses the exact number of atoms of each element present in a molecule and the empirical formula expresses the relative number of atoms of each element. For example, glucose has a molecular formula of C6H12O6, but its empirical formula is CH2O, which gives the simplest ratio of atoms in the molecule. In general, the molecular formula can be a multiple of the empirical formula.

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Answer:

A Is the correct answer..

The equilibrium concentration of A, B and C are 0.02 M, 2.38 M and 3.04 M respectively.

When the products and reactants do not alter over time, we say that a chemical is in equilibrium concentration.

In other words, a chemical reaction enters a state of equilibrium or equilibrium concentration when the rate of the forward reaction equals the rate of backward reaction.

We are given:

Concentration = Number of moles/ Volume

So, the concentration of A is 2.30M

The concentration of B is 3.90M

If we factor in the chemical equation given: 3A(g) + 2B(g) ---> 4C(g)

Initial:          2.30       3.90

At eqllm:   2.30-3x   3.90-2x    4x

After solving, we would get that the equilibrium concentration of A, B and C are 0.02 M, 2.38 M and 3.04 M respectively.

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The three industries that require batteries are the;

We know that batteries are pieces of hardware that are used to convert chemical energy into electrical energy. The chemical energy is stored in the battery. This energy can now be released by the use of some kind of electro chemical reactions.

Now, we should know that some industries tend to be more reliant on the use of battery technology than the other industries and there could be a lot of reasons for this.

For instance, in the medical sector, batteries are used to power a ,lot of gadgets that are used in medicine such as the pacemakers that can be able to serve as artificial hearts. In the electronic industries, the use of lithium ion batteries have become very common and they help in the production of gadgets. In the automotive sector, the batteries play a key role in the functioning of automobiles.

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Cellular isozymes of pyruvate kinase are allosterically inhibited by:

B) high concentrations of ATP.

The cellular isoenzymes kinase are allosterically inhibited by the high concentration of the ATP. The pyruvate kinase, an enzyme that will catalyzes the conversion of the pyruvate and ATP from the phosphoenolpyruvate and the ADP. The cellular isoenzymes is also called as the isozymes.

The pyruvate kinase will catalyzes the last step of the glycolysis. This is important for the generation of the adenosine triphosphate , that is ATP. The four major pyruvate kinase are : muscle M1 , erythrocyte R, the liver L, the ubiquitous M2.

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The following statement is not true about lighteners- " They are used at relatively high levels'.

Skin lighteners are products that are designed and used to bleach the skin from dark spots and pigments. They are usually used to improve one's physical appearance such as blemishes, dark patches and birthmarks.

They work on the skin by reducing or slowly blocking the production of melanin in the skin. The pigment melanin is responsible for the colour it gives to our skin. It also protects our skin from the harmful effects of the sun.

It usually takes few weeks or even three to four months for lighteners to show effective results on continued usage.

Thus, option (a) is correct.

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The limiting reagent in a chemical reaction is HCl (aq); the maximum output of CO2/mol is 0.05; and the reactant that is consumed first is CO2.

The limiting reactant, sometimes referred to as the limiting reagent, regulates how much product is produced in a chemical process. If the limiting reactant has been found, the theoretical yield of the reaction may be calculated.

The limiting reagent is the one that will completely consume itself in a chemical process. Once that reactant has been used up, the reaction cannot go on. As a result, it stops the reaction from getting stronger. The excess reagent would have continued to react if the other reactant hadn't been consumed.

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Organofluorines are organic molecules that include the greenhouse gas link. Foxine behavior discusses the composition of these chemicals.

Old paper documents like books, postage stamps, and awards can develop spots and discoloration due to foxing, a time of life process of degeneration. The stains' fox - like reddish-brown hue or the potential participation of the rusting chemical ferric oxide may be the sources of the term.

On old paper documents like books, postage stamps, old banknotes, and certificates, circa survive age-related process of weakening spots and browning. The stains' fox - like reddish-brown hue or the suspected participation of the rust ingredient ferric oxide may be the origin of the term.

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The given chart shows the football scores for the Jets this season. The mode measures of central tendency would show the score that occurred most often. Hence option (D) is the answer.

The most frequent value in a collection of values is referred to as the mode. The value that comes up the most often is this one. The value that pops up most frequently among a group of data values is the mode. The largest value of the probability mass function for X, if it is a discrete random variable, is the mode. To put it another way, it is the value that will likely be sampled.

A normal mode is a chemical term to denote an autonomous motion of atoms within a molecule that takes place without affecting movement to any other modes. Asymmetric, symmetric, wagging, twisting, scissoring, and rocking are the typical vibrational modes for polyatomic molecules.

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On the basis of the model of kinetic energy, gases easily diffuse in one another because particles in gases move in random motion.

Gases involve a very fast diffusion rate. Because between the particles of gases, there exists a negligible force of attraction that make particles in gases move very swiftly throughout all directions.

Since gases easily diffuse because their particles move in random motion in all directions. Then these particles collide. This diffusion occurs from a high concentration region to a low concentration region.

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In 1928, Sir Alexander Fleming was studying Staphylococcus bacteria growing in culture dishes. Bacterial infections are treated with penicillins

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There will be 1.084×10²¹ formula units are left un-reacted.

A formula unit is the part of an ionic compound's chemical formula that lists the ions in the smallest ratio necessary to produce a neutral electrical charge. In chemistry, we utilize chemical formulae to explain the constituent parts or molecules of a substance.

Given, initial amount of CuSO4 = 0.0850 mole

amount of CuSO4 consumed in reaction = 0.0832 mole

remaining amount of CuSO4 = 0.0850 - 0.0832 = 0.0018 mole

now, 0.0018 mole CuSO4 × (6.02×10²³ f. u./1 mole) = 1.084×10²¹ f. u.

There will be 1.084×10²¹ formula units are left un-reacted.

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If the reaction uses up 0.0832 mol copper sulfate there will be 1.084×10²¹ formula units are left un-reacted.

A formula unit is the part of an ionic compound's chemical formula that lists the ions in the smallest ratio necessary to produce a neutral electrical charge. In chemistry, we utilize chemical formulae to explain the constituent parts or molecules of a substance.

Given, initial amount of CuSO4 = 0.0850 mole

amount of CuSO4 consumed in reaction = 0.0832 mole

remaining amount of CuSO4 = 0.0850 - 0.0832 = 0.0018 mole

now, 0.0018 mole CuSO4 × (6.02×10²³ f. u./1 mole) = 1.084×10²¹ f. u.

There will be 1.084×10²¹ formula units are left un-reacted.

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knitting a blanket from yarn, burning, cooking, rusting and rotting are examples of chemical changes.

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A stopped car begins to accelerate at 2 m/s2 and continues this acceleration for 7 seconds, so its speed will be 14 m/s when it finishes accelerating, so the car's final speed is 14 m/s.

The speed of an object, such as a car, determines its velocity, and more importantly, the faster the speed, the faster the car arrives at its destination point, the calculation is shown below.

v = at + v₀,  (a= acceleration, v₀= initial velocity, t= time)

v= 2m/[tex]{s}^2[/tex] × 7 sec + 0 m/s

v= 14 m/s

Hence, a stopped car begins to accelerate at 2 m/s2 and continues this acceleration for 7 seconds, so its speed will be 14 m/s when it finishes accelerating, so the car's final speed is 14 m/s.

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Parts per million is the type of concentration calculated when the grams of solute is divided by the grams of solution, and the result is multiplied by 1,000,000 (option 2)

Parts per million, or ppm, is one method of expressing concentration. The formula involves dividing the grams of solute and the grams of solution, then multiplying the result by 1,000,000 (one million). One milligram of solute per kilogram of solution is equal to parts per million.

This stands for "parts per million" and can also be written as mg/L (milligrams per liter). The mass of a chemical or contamination per volume of water is the unit of measurement here. On a lab report, ppm or mg/L both mean the same thing.

The absolute fractional amount multiplied by one million equals one ppm. To better understand ppm, imagine placing four droplets on a table.

The question is incomplete, it should be:

Which type of concentration is calculated when the grams of solute is divided by the grams of the solution, and the result is multiplied by 1 000 000?

(1) molarity

(2) parts per million

(3) percent by mass

(4) percent by volume

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The amino acid sequence will be determined by the codons in the mRNA sequence that is being translated.

During translation, the mRNA sequence is read three nucleotides at a time, and each codon is translated into an amino acid based on the genetic code. This process is known as the "triplet code" because codons are made of three nucleotides.

The ribosome reads the mRNA sequence and translates it into a protein by recruiting amino acids in the correct order. The tRNA molecules carry the correct amino acids to the ribosome, where they are added to the growing polypeptide chain.

The ribosome continues to read the mRNA sequence until it reaches a stop codon, which signals the end of the translation and the completion of the amino acid sequence.

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Answer:

1.0 joules

Explanation:

Violet light has a frequency of 410,000 hertz and an energy of 1.0 joules. Now we can compare the energy of photons of violet light with those of red light. Photons of violet light have more energy than photons of red light.

The main idea of Amy Tan's text is the importance of communication through language.

It is the subject that the text wants to present.It is the subject that will guide all the information in the text.

In "Mother Tongue," Amy Tan uses her mother as an example to show the importance of communication. That's because it shows that her mother is a Chinese immigrant, who speaks "broken English."

Therefore, The main idea of Amy Tan's text is the importance of communication through language.

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Neutral pH is 7, thus The H+ and OH- concentrations are therefore equivalent for a pH of 7. Given that the concentrations are equivalent, the ratio is 1.

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The average atomic mass of copper can be calculated from the mass and percentage abundance of its isotopes. The average atomic mass of copper is 36.54 amu.

Isotopes are atoms of same element with different mass number. Isotopes slightly differ in physical and chemical properties from each other.

The average atomic mass of an element is calculated with the formula given below:

average atomic mass  = ∑ (% abundance /100) × isotopic mass.

mass of Cu-63 = 62.93 amu

% abundance = 69.15 %

mass of Cu-65 = 64.93 amu

% abundance = 30.85 %

Average atomic mass = (69.15 % /100 × 62.93 ) +  (30.85 % /100 × 64.93)

                                    = 63.54 amu.

Therefore, the average atomic mass of copper is 63.54 amu.

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So, sodium and chloride make up 39.3% and 60.7%, respectively, of NaCl.

Example:

What is the % composition of a compound with a total mass of 34.37 g, of which 21.43 g is phosphorous and 12.94 g is magnesium?

Mass percent of magnesium equals 12.94g/34.37g, or 37.6%

21.43g/34.37g or 62.4% of the mass is made up of P.

Magnesium and phosphorous make up 37.6% and 62.4%, respectively, of this compound's percent composition.

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The mass of the glass is 1 gram.

What is specific heat capacity?

 This refers to the amount of heat in joules (J) absorbed per unit mass (kg) of the material when its temperature rises 1 K (or 1 °C), and its units are J/(kg K) or J/(kg °C).

From the question:

cp= 0.20 cal/(g°C)

T = 150°C

heat added = 30 cal

To find the mass of the glass, you can use the formula:

mass = heat added / (specific heat capacity x temperature change)

Substituting the given values:

mass =           30 cal

              (0.20 cal/(g°C) x 150°C)

mass =             30

                 (0.20 x 150)

mass       = 30

                  30

mass = 1 g

Hence, the mass of the glass is 1 gram.

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Alchemists thought the philosopher's stone had the power to change base metals like lead into precious metals like gold or silver and could be utilized as an elixir of life to extend life.

Any of a wide range of opaque, fusible, ductile, & usually glossy substances, especially, one that is a chemical substance as opposed to an alloy. These substances are good conductors of heat and electricity create cations by the losses of electrons, or produce basic oxides and hydroxides.

Mass metal making, sheet metal formation, & sheet-bulk metal forming are the three different types of metal forming techniques. Forging, rolling, deep drawing, extrusion, wire drawing, & bending are just few common methods of metal formation.

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The total pressure exerted by gases is known as the total gas pressure or simply the pressure of the gas. It is the sum of the pressures exerted by each individual gas present in a mixture of gases.

The total pressure exerted by a mixture of gases is the sum of the pressures exerted by each individual gas present in the mixture. This is due to the fact that each gas in a mixture will exert its own pressure independently of the other gases present.

The pressure exerted by a gas is directly proportional to the number of gas molecules present and the temperature of the gas. According to the kinetic theory of gases, the pressure of a gas is due to the constant random motion of its molecules, which collide with the walls of their container, exerting force on it.

The Ideal gas law which is PV = nRT relates the pressure of a gas to its volume, number of moles of gas present and the temperature of the gas. where P is the pressure, V is the volume, n is the number of moles of gas present, R is the gas constant and T is the temperature of the gas.

When we have a mixture of gases, the total pressure exerted by the gases is the sum of the pressures of each individual gas in the mixture. The total pressure of a gas mixture is often measured in units of atmospheres (atm) or pascals (Pa). This is known as the Dalton's Law of partial pressure.

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Option (c) is correct. The number of neutrons will not be find in the periodic table.

Periodic table is the arrangement of chemical elements. Chemical elements are arranged in rows that is called periods and columns that is called groups according to increasing atomic number. Scientists use the periodic table to refer to information about an element like atomic mass and chemical symbol. The periodic table’s arrangement also allows to discern trends in element properties including electronegativity, ionization energy, and atomic radius. We can find the name of the element, symbol, atomic weight of the element, atomic number. We can not find the number of neutrons in the periodic table. the properties of the chemical elements exhibit an approximate periodic dependence on their atomic numbers.

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The grams of the magnesium metal present is 40.56 g.

Let us recall that the magnesium hydroxide is composed of two ions and these are the magnesium ions and the hydroxide ions.

Looking at the ions that we have we now would be able to find the number of moles of the compound that we have from the formula;

Number of moles = mass/molar mass

Number of moles = 97.8 g/58 g/mol

= 1.69 moles

The amount of the magnesium ions here is 1.69 moles

Mass of the metal = 1.69 moles * 24 g/mol

= 40.56 g

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A monoprotic acid is an acid that donates one proton (H+) when dissolved in water. Thus option E is the correct answer.

A monoprotic acid is an acid that donates one proton (H+) when dissolved in water, thus forming the corresponding conjugate base and hydronium ions (H3O+). Examples of monoprotic acids include hydrochloric acid (HCl), sulfuric acid (H2SO4), and acetic acid (CH3COOH).

A diprotic acid is an acid that donates two protons when dissolved in water. An example of diprotic acid is sulfuric acid (H2SO4). A tricrotic acid is an acid that donates three protons when dissolved in water. An example of tricrotic acid is phosphoric acid (H3PO4). An analyte is a substance or ion that is being analyzed in a chemical or biological sample.

Salt is a neutral compound formed from the reaction of an acid and a base, which typically contains positively and negatively charged ions. A titrant is a solution of known concentration, used to determine the concentration of an unknown solution through a titration process.

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You'll have to give us a picture for it to be answered, sorry.

The plate is moving away from me in the figure of volcanoes. Therefore, the correct option is B.

Volcanoes are geological formations that form when magma, ash, and other elements erupt from beneath the Earth's surface. Both on land and in water, they come in a wide variety of shapes and sizes. Volcanoes often develop along the boundaries of tectonic plates or at "hot spots" where plumes of hot mantle flow upward from the Earth's core and are associated with tectonic activity.

Volcanic eruptions can cause a variety of hazards, such as waves, pyroclastic flows, ash clouds, and lava flows. Volcanoes can be devastating, but they can also create new areas and provide healthy soil, which benefits the ecology.

Therefore, the correct option is B.

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A person with a history of chemical dependency on controlled substances who desires to obtain A License. A license to practice Nursing students may be required to show proof of current sobriety and fitness to practice.

This rule is from the Texas Board of Nursing’s (BON) Administrative Rules. It is stated that any nurse who has a chemical dependency diagnosis or a history of controlled substance abuse must demonstrate the following through "objective, verifiable evidence" of current sobriety and fitness to practice to get a license.

This objective, verifiable evidence could be obtained through AA records, negative drug tests, an assessment by a specialist in addiction, and testimonies from group members, colleagues, and other close friends.

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