Give the name of the ion with 13 protons and 10 electrons

To find the molecular formula of an unknown compound from mass percent data, you can follow these steps. determine the molar mass of the compound by adding up the molar masses of each element present in the compound, using the mass percent data as a guide.

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The spectrum is consistent with the electron shell model of the atom because it shows that electrons are being released from each of the energy levels of the atom in order from lowest to highest.

What is the electron ?

The electron is a subatomic particle with a negative electrical charge. It is the smallest and most fundamental particle of the atom. Electrons are found in the electron cloud of the atom, which is the region outside the nucleus. Electrons have a mass of about 9.10938356 x 10^-31 kilograms, which is about 1/1836 that of the proton. Electrons are the primary carriers of electricity in solids, and they are involved in all chemical reactions. Electrons occupy the outermost shell of the atom and are responsible for the chemical properties of the element. They determine the chemical behavior of an atom and are the main component of electrical circuits. Electrons are also responsible for the formation of ionic bonds, which are the basis of life and all other chemical processes.

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The fingerprint region is the right term for this area. The IR spectrum of a molecule is a graphical depiction of the vibrational frequencies of the molecule's bonds.

The fingerprint area is the portion of the IR spectra between 1,000 and 400 cm-1 that is frequently used to distinguish between identical molecules with the same functional groups. This is due to the fact that each molecule has a unique bond configuration, which results in a unique set of vibrational frequencies.The fingerprint region is the right term for this area. The IR spectrum of a molecule is a graphical depiction of the vibrational frequencies of the molecule's bonds.  It is possible to identify individual molecules and distinguish between similar ones by studying the peaks in the fingerprint area.The remaining areas indicated, the downfield, functional group, and Ri regions, are not typically used to define the IR spectrum.

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thefunctionalgroupregion These are often connected to functional group stretching vibrationsA functional group's stretching vibrations are restricted to a small range

Functional connection is defined as the geographically dispersed neurophysiological events' temporal coherence (Friston, 1994). In other words, if there is a statistical link between the activity measurements that have been recorded for two areas, then those two regions are said to exhibit functional connectivity. This connection strategy is based on the idea that if two regions' functional activity is regularly associated, then those two areas are assumed to be connected or to be parts of the same network Functional connectivity is a considerably more direct method of analysing functional networks than effective connectivity studies, which rely on a number of assumptions about the underlying neurobiology and the model used to predict it. Particularly it is in agreement with the intuitive

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YES. The sentence in question is correct that fiber inhibits intestinal absorption of various substances, including lead, which can then be secreted in the feces.

Fibers are types of carbohydrates that the body cannot digest itself. Though most of the carbohydrates we intake are broken down into sugar molecules called glucose, fibers cannot be broken down into simpler sugar molecules, and instead they pass through the body undigested. Fibers help regulate the body’s use of sugars, helping by keeping hunger and blood sugar in check.

Soluble fiber attracts water present in the gut, forming a gel-like substance, which can slow digestion. This, in turn, may help prevent blood glucose surges after food intake and may reduce hunger. Control of blood glucose and weight is important for health because these are two of the main risk factors for diabetes, a condition which doubles the risk of developing a heart disease.

Eating lots of fiber, iron and especially thiamine-rich foods may induce/help in rapid removal and excretion of the lead from the body tissues. Thus fiber as in part of diet, plays an important role in digestion and intestinal absorption.

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The complete question should be:

Fiber inhibits intestinal absorption of various substances, including lead, which can then be secreted in the feces. True or False?

When car burns gasoline, it converts chemical energy into mechanical energy. This is according to the law of conservation of energy.  

The law of conservation of energy states that energy is neither created nor destroyed. When people use energy that doesn't disappear. The Energy changes from one form of energy into another form of energy. A car engine burns gasoline. It converts the chemical energy in gasoline into mechanical energy. The mechanical energy is the sum of potential energy and kinetic energy. Energy changes form one into another but the total amount of energy in the universe stays the same. That means that a system always has the same amount of energy if it is not added from the outside.

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The conjugate acid of a weak base, such as ammonia and an ammonium ion salt, can also be used to create buffers.

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The element krypton is a noble gas, meaning it is chemically inert and does not typically react with other elements.

What do you mean by noble gas?

Noble gases are a group of chemical elements in the periodic table that have very low reactivity and stable properties. They have eight valence electrons in their outermost electron shell, which makes them very stable and unreactive. The six noble gases are helium, neon, argon, krypton, xenon, and radon.

a. A=82, n=46

b. A=84, n=48

e. A=83, n=47

We can calculate the number of protons in the above options by subtracting the number of neutrons from the mass number. Kr has an atomic number of 36. As a result, the isotopes listed above are correct. These are the isotopes Kr-82, Kr-83, and Kr-84.

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The i2 will settle to the bottom of the mixture,of the following best predicts happens to the i2.

What is the mixture?

The mixture is a combination of ingredients that are blended together to create a unique and distinct product. It can be anything from a cake batter to a marinade, a salad dressing to a bread dough. Mixtures often include multiple components that work together to produce the desired outcome. Plagiarism-free mixtures are created when each ingredient is carefully selected and all sources are properly cited. By using original ingredients, a mixture can be created that is both unique and delicious.

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You should dispose of them as instructed on the safety data sheet (SDS).

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The solution would have a freezing point of - 5.8 °C.

We have to note that in this case, we are dealing with the freezing point of the solution and this is one of the colligative properties that we have. We do know that;

ΔT = K m i

ΔT = Change in the temperature

K = freezing constant

m = molality

i = Vant Hoff factor

Then;

Number of moles of the calcium nitrate = 0.725 g/164 g/mol

= 0.0044 moles

Molality of the solution = 0.0044 moles/4.25 * 10^-3 Kg

= 1.04 m

Then we have;

ΔT =  1.86 * 1.04 * 3

= 5.8 °C

Then we have the new freezing point as;

O °C - 5.8 °C = - 5.8 °C

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Manufacturers can employ sodium hydroxide to create products including soap, rayon, paper, explosives, colors, and petroleum goods. Other uses for sodium hydroxide include cleaning and processing metal, coating metal with oxide, electroplating, and electrolytic extraction.

Sodium hydroxide has a potent corrosive and irritant effect. Any tissue that it comes into contact with could be severely burned and permanently harmed. Proteins can be hydrolyzed by sodium hydroxide, which can result in burns to the eyes and possibly long-term damage to the eyes. The United States Environmental Protection Agency (EPA), the International Agency for Research on Cancer (IARC), and the Department of Health and Human Services (DHHS) has not classified sodium hydroxide for carcinogenicity in humans.

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a. Solar Energy and the Cell. By connecting a photovoltaic solar panel to a hydrogen fuel cell, the following may be accomplished: Photovoltaic panels or mirrors are used to concentrate solar energy.

Solar radiation is used by photovoltaic panels to convert sunlight into electrical energy. This energy can be turned into electricity or stored as thermal energy in batteries. Solar cells, often known as photovoltaic cells, convert sunlight directly into electricity. The term photovoltaics (abbreviated PV) comes from the photovoltaic effect, which is the process of converting light (photons) to energy (voltage). Photovoltaic solar energy is a type of clean, sustainable energy that creates electricity via the use of solar radiation. It is based on the photoelectric effect, which happens when specific materials absorb photons (light particles) and release electrons, resulting in the photoelectric effect.

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The mass of aluminum required to produce 4.72 L of hydrogen gas at  stp from the reaction 27g.

Explanation:

13+14 =27.

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A mixture is the combination of two more substances. There are two types of mixture : the heterogeneous mixture and the homogeneous mixture.

1) A mixture that does not have a uniform composition and the individual components remain distinct = heterogeneous mixture

2) A mixture that does have a uniform composition throughout and is always in the same state = homogeneous mixture

3) A substance that will not dissolve in a solvent = insoluble

4) homogeneous mixture = Solutions are made up of homogenous mixtures solute and solvent.

5) Molecule with no internal charge variation due to bonding = non - polar.

6) Heterogeneous a molecule with an uneven distribution of charge due to unequal sharing of electrons during bonding = polar

7) Saturated solution = . A solution which has dissolved as much solute as it can at a particular temperature.

8) Unsaturated =  A solution which is still able to dissolve solute.

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Both ozonolysis and alkylation of an alkyne only ozonolysis processes can be accompanied by carbocation.

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According to Sets of results is indicative of stage 3 iron deficiency. The correct answer is C. Decreased ferritin, increased sTfR, decreased TIBC.

Iron deficiency anemia is characterized by a decrease in the amount of iron stored in the body, which can be reflected by a low ferritin level. As the body's iron stores are depleted, the body produces more transferrin receptors (sTfR) in order to try to bind to more transferrin (a protein that carries iron in the blood). This leads to an increase in sTfR. As iron deficiency worsens, the total iron-binding capacity (TIBC) increases, as the body tries to compensate for the lack of iron by binding more iron to the transferrin. But in stage 3 iron deficiency, the body's iron stores are so low that the capacity to bind iron to transferrin is also decreased, resulting in a decreased TIBC.

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Based on the model of Neil Bohr, The C-C-C bond angle in benzene is 120 degree. This is because of resonance stabilized.

Based on the simplified model of benzene, C6H6, in which the six carbon atoms are arranged in a ring with alternate single and double bonds between them, the C-C-C bond angle is expected to be around 120 degrees. This is because the double bonds between the carbon atoms in benzene are considered to be "resonance stabilized", meaning that the electrons in the double bond are spread out over all six carbon atoms in the ring. This delocalization of electrons results in an increased stability for the compound, and it also causes the bond angles to be slightly smaller than the ideal bond angle of a tetrahedral carbon atom, which is 109.5 degrees. It's important to note that the bond angles in benzene are not exactly 120 degrees, but are intermediate between the angles expected for single (around 109.5 degrees) and double (around 180 degrees) carbon-carbon bonds, the exact bond angles of benzene are around 120.7 degrees, and this is a result of the pi-electron distribution in the ring.

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At a particular temperature, H2(g)+I2(g)2HI(g) equals 64. H2 and HI have heterogenous equilibrium concentrations of 2 and 16 mollit-1, respectively.

Second order in NO and first order in O2 is the reaction 2NO(g) + O2(g) 2NO2(g). The observed rate of the reaction at [NO] = 0.8 M and [O2] = 3.7 M is 0.00022022 M/s.

The concentration of the reactants is high at equilibrium if Keq is a small number (Keq1). In this instance, the reaction is in favor of reactants forming. According to Keq 1, the reactants and products are present in significant quantities.

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"An atom must be similar in size" in order for one type of atom to substitute for another in a solid solution.

The complete question:

"Select all that apply.

The requirements for one type of atom to substitute for another in a solid solution are:

All substitutions must be limited to the same element.

An atom must be identical in size.

An atom must be similar in size.

The substituting atom must be from the same period.

The substituting atom must be from the same group."

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If the two substituents are on the same side of the double bond, the bond has a cis conformation. From the diagram below, B, D, and E only have the cis configuration.

If the two substituents are on the opposite sides of the double bond, the double bond has a trans configuration. In the context of chemistry, trans denotes that the functional groups (substituents) are on the same side of some plane, whereas cis implies that they are on the other (transverse) side. The same plane contains all six atoms. The cis isomer has two "X" and "Y" groups on the same side of the double bond. In the trans isomer, the "X" and "Y" groups are situated on opposite sides of the double bond. They do not interconvert because there is no rotation around the bond.

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complete question: which of the following compounds are drawn in the cis configuration? 1.D only 2. B only 3. B, D, and E only 4. A and B only

To use Lagrange multipliers, we need to find the partial derivatives of the function with respect to each variable and set them equal to a Lagrange multiplier times the partial derivative of the constraint with respect to that variable.

The partial derivatives of the function are:

∂f/∂x = 4x^3y^4z^4

∂f/∂y = 4x^4y^3z^4

∂f/∂z = 4x^4y^4z^3

The partial derivative of the constraint with respect to each variable is simply:

∂g/∂x = 4x^3

∂g/∂y = 4y^3

∂g/∂z = 4z^3

Now we can set up the system of equations:

4x^3y^4z^4 = λ * 4x^3

4x^4y^3z^4 = λ * 4y^3

4x^4y^4z^3 = λ * 4z^3

x^4 + y^4 + z^4 = 1

Solving for x, y, and z in terms of λ:

x = (λ/4)^(1/3)

y = (λ/4)^(1/3)

z = (λ/4)^(1/3)

Substituting these values back into the constraint equation:

(λ/4)^(4/3) + (λ/4)^(4/3) + (λ/4)^(4/3) = 1

Simplifying:

3(λ/4)^(4/3) = 1

λ^(4/3) = 4/3

λ = (4/3)^(3/4)

Now we can substitute this value of λ back into the expressions for x, y, and z:

x = (4/3)^(1/4)

y = (4/3)^(1/4)

z = (4/3)^(1/4)

Finally, we can substitute these values back into the original function to find the maximum and minimum values:

f(x, y, z) = (4/3)^(4/4) = 4/3 (maximum value)

Note that since this is a maximum value, and since the constraint is an equality, there is no minimum value. So, the minimum value is NONE

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The products of the reaction as shown are silver chloride and potassium nitrate. option A

If we talk about a reaction we have to look at the kind of combination in which there is the mixture of two or more substance that can be able to interact in some ways and then give rise to a product that is different from the products that were combined.

Here in the case of what we have here there is the combination of the silver nitrate and the potassium chloride and the products of the double replacement reaction that we would get are the silver chloride and the potassium nitrate.

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Answer:

4.74.

Explanation:

The equilibrium equation for the hydrolysis of NH4+ is:

NH4+ + H2O ⇌ NH4OH + H+

The Cl- ion is a strong base and will not undergo hydrolysis in water. Therefore, the Cl- ion will not affect the pH of the solution.

Use the equilibrium constant for the hydrolysis of NH4+ (Kb) to calculate the pH of the solution.

The expression for the equilibrium constant for the hydrolysis of NH4+ is:

Kb = [NH4OH][H+] / [NH4+]

Given that the concentration of NH4Cl is 1.0 mol/L, the concentration of NH4+ ions is also 1.0 mol/L.

The concentration of hydroxide ions (OH-) can be calculated from the Kb expression:

Kb = [NH4OH][H+] / [NH4+]

[OH-] = Kb * [NH4+]

Knowing that the Kb for NH4+ = 1.810^-5

[OH-] = 1.810^-5 * 1.0 = 1.8*10^-5 M

The pH of the solution is the negative logarithm of the hydroxide ion concentration:

pH = -log([OH-])

pH = -log(1.8*10^-5)

pH = 4.74

Therefore, the pH of 1.0 mol/L solution of NH4Cl is 4.74.

The small synthetic vesicle made from pure phospholipids enclosing interior lumen containing 1 mM of glucose and 1 mM of sodium chloride. If it is placed in pure water , water diffuses in.

The osmosis is the process in which the solvents move from the low concentration to the high concentration through the semi- permeable membrane. The three types of osmosis is given as :

1) Hypotonic

2) Hypertonic

3) Isotonic

The water and the solvents tries to move into the low concentration to the high concentration through the semi- permeable membrane.

Thus, water diffuses in when synthetic vesicle made from pure phospholipids enclosing interior lumen containing 1 mM of glucose and 1 mM of sodium chloride and it is placed in pure water.

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So, in order for a Ceo to make carbon plus oxygen Gus, we must first formulate the mathematical formula for it. What does CO2 therefore equal? 8.5 g oh from there.

Here, Bye Cyclorama four from 6.5g of 02 twice one mode of 021 per 32g of co, two from one mole of CO2 times 24.1 g of c 02 per one molecule of c 02, and three from one mole for 02 times 6.5g of 02 times 32g of co. As a result, this CO2 mask is equivalent to 8.9 grams of CO2. I'm grateful.

The best approximate method to get your carbonated drink production facility's CO2 Yield is to divide the amount of carbonated beverages generated during the investigated time divided by the amount of CO2 that was consumed each month.

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Answer: HCO3- + H3O --> H2CO3 + H2O (If an a strong acid is present)

H2CO3 + OH- --> HCO3- + H2O (If a strong base is present)

Explanation: Thankfully, we have buffers in our blood, without this buffer, one cup of lemon juice contains enough Hydronium ions (H3O) to kill us. This brings us to our first reaction. In this H2CO3/HCO3- buffer system, HCO3- acts as a weak base. If some strong acid that 100% dissociates into H3O+ happens to enter your blood, instead of the pH decreasing significantly it will only decrease slightly as HCO3- eliminates the H3O+ maintaining a relatively equal pH.

On the other hand, we have the H2CO3 reaction, if, for example, you decided to inject yourself with NaOH (Don't do it) it will dissociate 100% into OH. Since H2CO3 is a weak acid it will react with a strong base eliminating the OH- thus maintaining a stable pH.

Hope this helps. and if you need an explanation of why pH goes up slightly please comment. Good luck with Acid/Base/Equilibrium!!

Option C, compounds 2 and 3 are the compounds which are the same.

mole = mass/molar mass, mole of hydrogen = 2.10/1 = 2.10 and mole of oxygen = 32.90/15.99 = 2.10. Thus, 2.10g of H = 32.90g of O.

What is Molar mass?

Molar mass is the mass of one mole of a substance, typically measured in grams per mole. It is calculated by summing the atomic weights of all the atoms in a chemical compound.

It is important in determining the number of moles in a given mass of a substance, and in understanding the properties of a substance at a molecular level. It is also used in stoichiometry calculations to determine the amounts of reactants and products in chemical reactions.

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The straight-chain alkanes are named with the root based on the number of carbon atoms present in the alkane, followed by the suffix -ane.

Alkanes are types organic compounds, a series of hydrocarbon compounds, that consist of single-bonded carbon and hydrogen atoms. These are known as saturated hydrocarbons. The formula for Alkanes is CnH2n+2, and are subdivided into three groups, namely - chain alkanes, cycloalkanes, and the branched alkanes.

Alkanes are the simplest series or family of hydrocarbons. They contain only carbon and hydrogen in simplest form. Each carbon atom forms four bonds (either with another carbon atom or a hydrogen atom) and each hydrogen atom forms one bond i.e. with a carbon atom.

Straight-chain alkanes or simply chain alkanes are named by using a stem/root that indicates the number of carbon atoms present in the alkane (meth = 1 C, eth = 2 C's, prop = 3 C's, etc.) to which is added the suffix -ane, indicating that the molecule is indeed an alkane (that is, that the carbon atoms are all connected by single bonds).

Thus first option is the answer to the question.

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The maximum mass the micrograms of cadmium  the chemist could measure in this sample is 3 × 10⁻¹ micrograms.

The limit for cadmium = 4.00 μg/L

The μg is called as micrograms.

An analytical chemist receives the sample of the groundwater with measured volume  = 76.0 mL

The concentration expression is given as :

Concentration = mass / volume in L

where,

Mass = 4.00 μg

Volume = 0.076 L

Th mass is given as  :

Mass = concentration × volume

Mass = 4 × 0.076

Mass = 3 × 10⁻¹ micrograms

Thus, the mass of cadmium is 3 × 10⁻¹ micrograms.

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The number of c-z bonds decreases as a result of oxidation, where z is a more electronegative element than carbon.

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