The ______________________ is used to detect an increase in ph from 4.4 to 6.0 as mixed acids are further catabolized to form the neutral product ________________.

No, there is no hydrogen bonds between the cut sites in smai.  The correct option is B.

The blunt ends have the  Smai will create after the cutting. The hydrogen bonds are the very special class of the intermolecular attractive forces that will arise only in the compounds that is featuring the hydrogen atoms bonded to the  highly electronegative atom with the other highly electronegative atom.

The hydrogen bonds are of the two types , these are as follows :

The Hydrogen bonding is the special type of  the dipole - dipole attraction in between the molecules.

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Answer:

H2O < NH3 < CCl4 < BCl3

Explanation:

Bond angle of a molecule or an ion can be explained by two concepts which are either by their valence shell electron pair repulsion (VSEPR) model or hybridization.

The VSEPR model  determines the total number of electron pairs surrounding the central atom of the species. All the electron pairs will orient themselves in such a way as to minimize the electrostatic repulsions between them. These repulsions hence determine the geometry of the covalent bond angles around the central atom.

Hence; as the number of lone pairs increases from zero to 2 the bond angles diminish progressively.

Hybridization is the mixing and blending of two or more pure atomic orbitals to form two or moe hybrid atomic orbitals which are identical in shape and energy. During the process of formation of these hybrid orbitals, The bonds formed i.e the sigma bond and the pi bond determines the bond angle of such compound.

From the given compounds;

H20 have a bond angle of 104.5°

NH3 have a bond angle of 107°

BCl3 have a bond angle of 120°

CCl4 have a bond angle of 109.5°

thus in an increasing order of bond angle:

H2O < NH3 < CCl4 < BCl3

Answer:

Option A.

Explanation:

If you picture the Periodic Table in your head...

you'd see that the Metals are located at the left hand part of the periodic table and their Metallic Character Increases as you go down the group.

So if you travel from the right, towards the left...You'd come across your Metals.

In order words... Option A is your answer.

A molecule's three-dimensional structure, with simple lines representing plane links, wedge-shaped lines representing bonds facing the observer, and dashed lines representing bonds Stereochemistry facing the viewer's opposite.

Stereochemistry is the study of a molecule's three-dimensional structure. The only structural difference between cis and trans isomers, which are types of stereoisomers, is where the molecule's elements are located three dimensionally. The chemical and physical properties of these stereoisomers may differ. Stereochemistry is a branch of chemistry concerned with "the study of the various spatial configurations of atoms in molecules." The systematic presentation of a specific area of science and technology, known as

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Answer:

Water, Ethonal, Ammonia, Sulfur Dioxide, and hydrogen sulfide.

The statement "The internal structure of the molecules cannot be determined from an X-ray diffraction image" is false because the internal structure of the molecule can be obtained using methods like Nuclear Magnetic Resonance (NMR) spectroscopy, Mass spectrometry, or Infrared Spectroscopy.

X-ray diffraction is an essential tool for the determination of the arrangement of atoms within a crystal. It provides a way to obtain atomic-level information on the crystal structure of molecules. The crystals are exposed to X-rays from a source. The rays diffract off the crystal, and the resulting pattern is detected. The position and intensity of the spots can be utilized to obtain information on the positions of the atoms within the unit cell.

The process of X-ray diffraction is useful for determining the structure of crystals; the unit cell and its contents are used to infer the structure of a molecule. The arrangement of atoms within a molecule cannot be directly inferred from a diffraction pattern.

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78 milliliters of 11.5 m hydroiodic acid solution should be used to prepare 4.50 L of 0.200 M hi.

MaVa=MbVb

Now just substitute the values

11.5*x=4.50*0.200

x=0.078260 liters

1 liter is equal to 1000 ml so  0.078260 is multiplyed with 1000

then , x=78 mL.

An aqueous solution of hydrogen iodide is hydroiodic acid. It is a potent acid that totally ionizes in aqueous solutions. It has no color. Concentrated solutions typically range in HI from 48% to 57%. Strong acids are those that entirely separate out in aqueous solutions. For instance, sulphuric acid H 2 SO 4 and hydrochloric acid HCl. Because it totally dissociates in water, the acid that is being used in this instance, hydroiodic acid (HI), is a powerful acid.

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A mass of 9.1 1031 kilograms (Kg). A wavelength of 1010m, or around the size of an atom, can be calculated from the de Broglie relation. Due to this, we may directly examine the atomic structure of a crystal using electron microscopes.

Using the de Broglie relation between the momentum p and the wavelength of an electron (=h/p, where h is Planck constant), the wavelength of an electron is computed for a given energy (accelerating voltage). When the wavelength is expressed in meters, 1/ stands for the number of waves in a wave train that can fit within a length of one meter, or, if the wavelength is expressed in centimeters, the number of waves that can fit within a length of one centimeter.

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The molarity of the lemonade solution prepared, given that 583 grams of it makes 8 quarts, is 0.420 M

First, we shall obtain the mole in the lemonade (C₆H₁₂O₆) solution. Details below:

Mole = mass / molar mass

Mole of C₆H₁₂O₆ = 583 grams  / 180 g/mol

Mole of C₆H₁₂O₆ = 3.24 moles

Finally, we shall obtain the molarity of the lemonade solution. This is shown below:

Molarity = mole / volume

Molarity of lemonade solution = 3.24 / 7.7148

Molarity of lemonade solution = 0.420 M

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The equilibrium vapor pressure with respect to water (eow) is 259.9 Pa. assume that saturation vapor pressure is same as equilibrium vapor pressure.

Therefore, the RH at the frost point is  

RH = (eow / saturation vapor pressure) × 100

= (259.9 Pa / 259.9 Pa) × 100

= 100%

b) At T = -11 °C, we need to compare the equilibrium vapor pressure with respect to water (eow) and the equilibrium vapor pressure with respect to ice (coi) to determine if ice particles will form. From the given table, at T = -11 °C, the equilibrium vapor pressure with respect to water (eow) is 237.7 Pa, and the equilibrium vapor pressure with respect to ice (coi) is 165.3 Pa.

The air is supersaturated with respect to ice, and the presence of Kaolinite particles can provide surfaces for water droplets to condense onto, leading to the formation of ice particles.

c) At T = -12 °C, we compare the equilibrium vapor pressure with respect to water (eow) and the equilibrium vapor pressure with respect to ice (coi). From the given table, at T = -12 °C, the equilibrium vapor pressure with respect to water (eow) is 217.3 Pa, and the equilibrium vapor pressure with respect to ice (coi) is 181.2 Pa.

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Answer:

Explanation:

A petrifying well is a well which gives objects a stone-like appearance. If an object is placed into such a well and left there for a period of months or years, the object acquires a stony exterior.

Answer:

1.T

2.I

Explanation:

hope it help

#carry on learning

The object and description that matches is Object 2 and T.

Object 1 has no matching description.

A Fish aquarium filter is a filter whose function is to clean the water of debris, removes the toxic buildup of ammonia and nitrates, and aerates the water so that fish can in a conducive environment and breathe properly

An engine oil filter is a filter whose function is to filter and remove contaminants that may be present in the engine oil, transmission oil, lubricating oil, or hydraulic oil in order for proper functioning of the engine.

Therefore, the object and description that matches is Object 2 and T.

Object 1 has no matching description.

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After benzocaine is mixed with hydrochloric acid, it will be 4-aminobenzoic acid and soluble in the water.

Benzocaine, sold beneath the counter emblem called Orajel amongst over-the-counters, is an ester nearby ones over the counter normally used as a topical ache reliever or in cough drops. it's a far over-the-counter lively factor in many ones over counter ointments consisting of merchandise for oral ulcers.

Benzocaine is used to relieve aches and itching resulting from conditions that include sunburn or different minor burns, insect bites or stings, poison ivy, poison oak, poison sumac, minor cuts, or scratches.

Benzocaine is a local over-the-counter used in pain manage management, and it's far over-the-counter ester neighborhood ones over-the-counter elegance of medication. This pastime describes over-the-counter symptoms, actions, and contraindications for benzocaine as a valuable agent in coping with ache control.

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At age 65, Leοn and Heidi will have apprοximately $348,762 in accumulated interest and principal.

Tο calculate the accumulated interest and principal, we need tο cοnsider the annual cοntributiοns οf $3,000 οver eight years, cοmpοunded annually at an interest rate οf 10%.

First, let's calculate the future value οf the annual cοntributiοns οver eight years. We can use the fοrmula fοr the future value οf an οrdinary annuity:

\(\rm FV = P \times [(1 + r)^{n }- 1] / r\)

Where:

FV = Future Value

P = Annual payment amοunt

r = Interest rate per periοd

n = Number οf periοds

Using P = $3,000, r = 10% (οr 0.1), and n = 8, we have:

FV = 3000 * [(1 + 0.1)⁸ - 1] / 0.1

FV = 3000 * [(1.1)⁸ - 1] / 0.1

FV ≈ 3000 * (2.1436 - 1) / 0.1

FV ≈ 3000 * 1.1436 / 0.1

FV ≈ 34,308

Sο, the future value οf the annual cοntributiοns after eight years will be apprοximately $34,308.

Next, we need tο calculate the accumulated interest and principal at age 65. Tο dο this, we'll assume the accumulated amοunt earns cοmpοund interest at the same rate οf 10% per year frοm age 33 (after the first eight years οf cοntributiοns) tο age 65. We'll use the fοrmula fοr cοmpοund interest:

A = P * (1 + r)ⁿ

Where:

A = Accumulated amοunt

P = Principal (initial investment οr future value)

r = Interest rate per periοd

n = Number οf periοds

Using P = $34,308, r = 10% (οr 0.1), and n = 65 - 33 = 32, we have:

A = 34308 * (1 + 0.1)³²

A ≈ 34308 * (1.1)³²

A ≈ 34308 * 10.1487

A ≈ 348,762

Sο, at age 65, Leοn and Heidi will have apprοximately $348,762 in accumulated interest and principal.

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The electrical force between these two particles is approximately -2.3 N.

So,the correct answer is (B) -2.3 N

Coulomb’s law is given as:F=ke * q1 * q2 / d^2

Where,F = Force in Newton (N)q1 = Charge on particle 1 in Coulombs (C)q2 = Charge on particle 2 in Coulombs (C)k = Coulomb’s constant = 8.99 × 10^9 N m^2/C^2d = Distance between two particles in meters (m).

Given:e = 1.6 × 10^-19 Ck = 8.99 × 10^9 N m^2/C^2Distance between two particles, d = 10^-14 mAs given, both particles are negative charges; hence, the force between the two particles will be repulsive.

The formula to find the electric force between two negative charges is:F = -ke * q1 * q2 / d^2F = - (8.99 × 10^9 N m^2/C^2) * (1.6 × 10^-19 C) * (1.6 × 10^-19 C) / (10^-14 m)^2= - 2.304 × 10^-9 N= - 2.3 N (approximately).

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The number of different orders to organize the three finishers is 2,184

Permutation is a term used in mathematics to refer to the possible ordering of those elements that are part of a finite set.

The permutation has the following formula, where P is the total of possible organization options, n! is the total number of available players, and r! the number of players we need to organize.

Note: This question is incomplete because there is some information missing. Here is the complete information:

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Todo en un estado sólido de materia tiene una forma y una longitud distintas. El volumen de un objeto es la cantidad de espacio que ocupa. Un sólido es un bloque de madera que conserva su forma y volumen cuando se coloca sobre una mesa.

Hope that helps!!!

¡Espero que ayude!

Answer:

because they emit liquid waste wich is later dumped into the ocean causing a lot of harm and many fatalities in sea life

Explanation:

Answer:

The answer is C and E

Explanation:

I just had that question

Answer:

c and e

Explanation:

1(NH4)2Cr2O7(s) → 1Cr2O3(s) + 1N2(g) + 4H2O(g).

6CO2(g) + 6H2O(i) → 1C6H12O6(s) + 6C2(g).

Energy (the candlewick & wax) & oxygen are the reactants in the burning of a candle (in the air).Carbon dioxide and water vapor are the end results.

When K is bigger than 1, the reaction's products are preferred.The reactants inside the reaction were favored if K is much less than 1.When K is 1, neither the reactants nor the products are preferred.

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Answer:

false

Explanation:

Answer:

59.46 g

Explanation:

To answer this question, the molecular weight of ammonium sulfate must be computed.  To accomplish this, the weights of the individual elements must be noted.
N=14.01\(\frac{g}{mol}\)

H=1.01\(\frac{g}{mol}\)

S=32.07\(\frac{g}{mol}\)

O=16.00\(\frac{g}{mol}\)

To compute the molecular weight:

\(2[14.01\frac{g}{mol}+4(1.01\frac{g}{mol})]+32.07\frac{g}{mol}+4(16.00\frac{g}{mol})=132.14\frac{g}{mol}\)

To calculate the mass:

\(0.45 mol(\frac{132.14g}{1mol})=59.463g\)

Answer:

HKOB

Explanation:

hope it helps

The mass defect of the oxygen nucleus is 16 8o 816o. the mass of neutral 16 8o 816o is equal to 15.994914 atomic mass units

8(1.008665)+8(1.007825)

=16.13192

16.13192-15.994914

=.13701 amu

The atomic nucleus is a small, dense region made up of protons and neutrons at the center of an atom, discovered by Ernest Rutherford in 1911, based on Geiger-Marsden's gold leaf experiment in 1909. After the discovery of the neutron in 1932, models of the nucleus composed of protons and neutrons were rapidly developed by Dmitri Ivanenko[1] and Werner Heisenberg. I was.

The cell nucleus carries genes, structures that control and regulate cell activity (such as growth and metabolism) and contain genetic information. Nucleoli are small bodies commonly found within the nucleus. The nucleoplasm is the gel-like matrix in which the core components are suspended.

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Answer:

b

Explanation:

The specific volume of alcohol with a specific gravity of 0.815 is approximately 0.001227 m³/kg.

Specific gravity is the ratio of the density of a substance to the density of a reference substance, which is usually water. Specific volume is the inverse of density (i.e., specific volume = 1/density).

To find the specific volume of alcohol when its specific gravity of alcohol is 0.815 is given we have to:

Step 1: Find the density of the reference substance (water)
The density of water is typically 1,000 kg/m³.

Step 2: Calculate the density of alcohol
Density of alcohol = Specific gravity of alcohol × Density of water
Density of alcohol = 0.815 × 1,000 kg/m³
Density of alcohol = 815 kg/m³

Step 3: Calculate the specific volume of alcohol
Specific volume of alcohol = 1 / Density of alcohol
Specific volume of alcohol = 1 / 815 kg/m³
Specific volume of alcohol ≈ 0.001227 m³/kg

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The purpose of washing the crude product with aqueous NaHCO₃ is to remove unwanted acidic impurities that may be present in the crude product. This process is known as acid-base extraction or alkaline extraction.

The aqueous NaHCO₃ solution acts as a base that reacts with the acidic impurities to form a salt. The salt thus formed is more polar and can be easily removed from the crude product by washing with water. The equation for this reaction is as follows:

Acidic impurity + NaHCO₃ → Salt + CO₂↑ + H₂O

The CO₂ gas produced is responsible for the effervescence observed during the reaction. The equation for the reaction of acetic acid, an acidic impurity commonly found in organic synthesis, with NaHCO₃ is as follows:

CH₃COOH + NaHCO₃ → CH₃COONa + CO₂↑ + H₂O

The acetic acid reacts with the NaHCO₃ to form sodium acetate, carbon dioxide gas, and water.

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Aluminum has been studied as a potential factor linked to Alzheimer's disease . Option (A) is correct.

Numerous studies have been conducted to investigate the connection between aluminum exposure and the development of Alzheimer's disease, a neurodegenerative disorder characterized by memory loss and cognitive decline. Although no conclusive evidence has been found to establish a direct causal relationship between aluminum and Alzheimer's disease, some studies suggest that high aluminum levels in the brain may contribute to the formation of beta-amyloid plaques, which are characteristic of Alzheimer's disease.

However, aluminum has not been found to be linked to chronic renal disease (B), low blood pressure (C), or melanosis of the skin (D). These conditions have different causes and risk factors that are unrelated to aluminum exposure. Therefore, the correct answer is E. None of the above.

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When 174 g of silver sulfide reacts with excess hydrochloric acid, the mass of AgCl formed is 151.34 g, and the mass of H2S formed is 23.95 g.

To calculate the mass of each product formed when 174 g of silver sulfide (Ag2S) reacts with excess hydrochloric acid (HCl), we need to follow these steps:

Step 1: Write the balanced chemical equation for the reaction:

Ag2S (s) + 2HCl (aq) → 2AgCl (s) + H2S (g)

Step 2: Determine the molar mass of Ag2S and HCl:

Ag2S: 2(Ag) + 1(S) = 2(107.87 g/mol) + 32.07 g/mol = 247.61 g/mol

HCl: 1(H) + 1(Cl) = 1.01 g/mol + 35.45 g/mol = 36.46 g/mol

Step 3: Calculate the moles of Ag2S:

Moles of Ag2S = Mass of Ag2S / Molar mass of Ag2S

Moles of Ag2S = 174 g / 247.61 g/mol = 0.702 mol

Step 4: Use the stoichiometry of the balanced equation to relate the moles of Ag2S to the moles of products.

From the balanced equation, we see that 1 mole of Ag2S produces 2 moles of AgCl and 1 mole of H2S.

Moles of AgCl = 2 * Moles of Ag2S = 2 * 0.702 mol = 1.404 mol

Moles of H2S = 1 * Moles of Ag2S = 1 * 0.702 mol = 0.702 mol

Step 5: Calculate the mass of each product:

Mass of AgCl = Moles of AgCl * Molar mass of AgCl

Mass of AgCl = 1.404 mol * (107.87 g/mol) = 151.34 g

Mass of H2S = Moles of H2S * Molar mass of H2S

Mass of H2S = 0.702 mol * (34.08 g/mol) = 23.95 g

It's important to note that in this calculation, we assumed that all the Ag2S reacted completely and that there was no loss of product during the reaction. Additionally, we assumed that HCl was in excess, meaning that there was more than enough HCl to react with all the Ag2S.

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Answer:

all u have to do is inserting hydrogen atoms where it's possible, if carbon is not bonded to any element, then it can have 4 hydrogens. for the first chain, the first carbon can have 3 hydrogen atoms, the second carbon 1 hydrogen atom only the third also 1 hydrogen since there is double bond and the 4th 2 hydrogen atoms

Answer:

a rat and a cat can have sex

xD

Explanation: