classify the pair of compounds as the same compound, enantiomers, diastereomers, constitutional isomers, or not isomeric. also, select the correct iupac name, including the correct (r) or (s) designation, for each. compound 1 has two chiral carbons. carbon 1 has a hydrogen on the upper left and is bonded to carbon 2 on the upper right. pointing down, there is a wedge bond to iodine and a dashed bond to methyl. carbon 2 is bonded to a hydrogen on the lower right and to carbon 1 on the lower left. pointing up, there is a wedge bond to hydroxy and a dashed bond to methyl. compound 2 has two chiral carbons. carbon 1 has a bond to hydroxy on the upper left and is bonded to carbon 2 on the upper right. pointing down, there is a wedge bond to hydrogen and a dashed bond to methyl. carbon 2 is bonded to an iodine on the lower right and to carbon 1 on the lower left. pointing up, there is a wedge bond to methyl and a dashed bond to hydrogen. the compounds are constitutional isomers identical diastereomers enantiomers not isomeric

If an unknown solution is a poor conductor of electricity, then it must be slightly ionized or not ionized at all. This is because in order for a solution to conduct electricity.

it must contain charged particles (ions) that can move freely to carry the electric current. If the solution is highly ionized, it would be a good conductor of electricity. Similarly, if the solution is highly reactive, it doesn't necessarily mean that it will be a good or poor conductor of electricity. Therefore, the answer to this question would be The solution is slightly ionized. Na cation and Cl anion combine through electrovalent bonding to form sodium chloride, generally referred to as common salt. In its lattice, it takes the shape of a cubic crystal. NaCl is hard and has a high melting point because electrovalent bonds are strong and would require a lot of energy to break. In contrast, crystalline NaCl is a bad conductor of electricity. However, the conducting ions get loose and it becomes an excellent conductor of electricity when it comes into touch with moisture or when it is molten.

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Answer:

Ca (not CA)

Mg (not mg)

hope that answers your question.

Answer:

Calcium and Magnesium

Explanation:

The answer is that.

Answer: 4.74 moles of gas are in the container.

Explanation:

1. Use the ideal gas law. PV = nRT. and re-arrange from moles by divided RT on both sides.

2.You should get the following equation: \(n=PV/RT\)

3.Insert values: \(n = PV/RT = \frac{(4.9 atm)(28 L)}{(0.082 (L*atm)/(K*mol)*(353K)} = 4.74 moles.\)

4.There are 4.74 moles in the container.

Good luck with chemistry!

Answer: EXAMPLEEE

Explanation: Brookite

Mohs scale hardness 51⁄2 to 6

Luster Submetallic

Streak White, greyish or yellowish

Diaphaneity Opaque to translucent

The concentration of S- in is 2 × 10^(-13) M and concentration of H+ ion is 0.05M.

As we know that,

H2S is completely ionize in the solution.

H2S ----- 2(H+) + S2-

Concentration is defined as the ratio of number of moles to the volume of the substance.

Concentration = number of moles/ volume

We get to know that, the concentration of H+ ion is equal to the concentration of H2S.

[H+] = [H2S] = 0.05M

As we know that,

[H+] [OH-] = 10^(-14)

[OH-] = 10^(-14) / 0.05

[OH-] = 2 × 10^(-13)

Thus, we calculated that the concentration of S- in is 2 × 10^(-13) M and concentration of H+ ion is

0.05M.

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Covalent Bond.

Explanation: Covalent compound are soluble in organic solvents (non polar) but insoluble in water (polar).

Ethanol being both polar and non polar can dissolve covalent compound.

The abundance of isotope 35 = 75%

The abundance of isotope 37 = 25%

Ratio isotope 35 :  isotope 37 = 3 : 1

Given

Ar Cl = 35.5

Two isotopes of mass number 35 and 37

Required

The ratio of each isotope

Solution

If the abundance of isotope 35 is x%, then the abundance of isotope 37 is (100-x)%

35.5 = x%.35 + (100-x)%.37

35.5 = 0.35x+0.37(100-x)

35.5=0.35x-0.37x+37

0.02x=1.5

x=75

Photosynthesis is a redox reaction. This means that H₂O is oxidized during the light reactions and CO₂ is reduced during the Calvin cycle.

The chemical reaction in which the oxidation and reduction take place simultaneously is known as a redox reaction. In this type of reaction, the reactants that are reduced gain electrons, while the reactants that are oxidized lose electrons during the reaction.

The oxidation of water and the reduction of carbon dioxide is the core of photosynthesis, an energy transducing process in which light energy is converted to chemical energy. During photosynthesis, water molecules are oxidized to produce oxygen gas and positively charged hydrogen ions. The process of photosynthesis is of two types, light-dependent reactions and light-independent reactions.

The light-dependent reactions occur in the thylakoid membranes of chloroplasts and involve the conversion of light energy into chemical energy. On the other hand, the light-independent reactions take place in the stroma of chloroplasts, where carbon dioxide is reduced to produce glucose molecules. Therefore, Photosynthesis is a redox reaction. This means that H2O is oxidized during the light reactions and CO2 is reduced during the Calvin cycle.

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Answer:

CH³–C=CH——CH³–CH=CH²

Explanation:

THIS IS PROPYNE TO PROPENE

Mass of 0.75 moles of \(C_{2}H_{6}\) is 22.5 g. 0.75 moles means 3/4 of one mole, the mass of 0.75 mole of ethane will be equal to 3/4 mass of one mole of ethane.

\(C_{2}H_{6}\)  is the chemical formula for ethane. It is made up of two molecules of Carbon and six molecules of Hydrogen.

Mass of 1 mole of ethane, \(C_{2}H_{6}\) is equal to sum of the mass of two molecules of carbon and the mass of six molecules of hydrogen.

mass of 1 mole of \(C_{2}H_{6}\) = 2(12) + 6(1) = 30 g

where mass of carbon is 12 g

and mass of hydrogen is 1 g

mass of 0.75 mole of \(C_{2}H_{6}\) = 0.75 (30)

                                             = 22.5 g

Hence, the mass of 0.75 moles of \(C_{2}H_{6}\) is 22.5 g.

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When an acid is added to the buffer, the acetic acid in the buffer reacts with the added acid, neutralizing it and maintaining the pH of the solution. The equation for this reaction is:

CH₃COOH + H⁺ → CH₃COOH₂⁺

When a base is added to the buffer, the sodium acetate in the buffer reacts with the added base, neutralizing it and maintaining the pH of the solution. The equation for this reaction is:

CH₃COO⁻ + OH⁻ → CH₃COOH + OH⁻

A buffer solution consists of a weak acid and its conjugate base (or a weak base and its conjugate acid). In the case of the given buffer containing acetic acid and sodium acetate, acetic acid acts as the weak acid and sodium acetate acts as the conjugate base.

When an acid is added to the buffer, the hydronium ions (H⁺) from the added acid react with the acetate ions (CH₃COO⁻) from sodium acetate. This reaction results in the formation of acetic acid (CH₃COOH), which is a weak acid. The newly formed acetic acid remains in the solution and helps maintain the pH by resisting significant changes.

Similarly, when a base is added to the buffer, the hydroxide ions (OH⁻) from the added base react with the hydronium ions from the acetic acid. This reaction produces water (H₂O) and converts some of the acetate ions into acetic acid, preventing a drastic change in the pH.

Overall, the presence of both acetic acid and sodium acetate in the buffer allows it to effectively neutralize added acid or base and maintain the pH of the solution.

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To determine the molar mass we will first look up in the periodic table the atomic mass of each of the elements that make up the molecule. We have tree elements Iron (Fe), Phosphorus (P) and Oxygen (O). The atomic mass of each element is:

Fe=55.845 u

P= 30.974 u

O=15.999 u

Answer:

Gold is much heavier than lead. It is very dense. Another rather simple way to think of this is that if the density of water is 1 g/cc then the density of gold is 19.3 times greater than water. Water weighs about 8.3 pounds per gallon.

Explanation:

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Answer:

Ur missing info

Explanation:

Silk and wool are more easily dyed with azo dyes than other fabrics like nylon or cotton because they are polypeptides.

Polypeptides or polymers made of amino acids are what makeup wool and silk. Natural protein fibers like wool and silk, synthetic polyamide fibers like nylon, and, to a lesser extent, acrylic fibers and blends of these fibers, are typically dyed with acid dyes. They are applied to these fibers from a dyebath under acidic or neutral conditions, thus their name. The azo group is the most widely used chromophore in acid dyes. When an ionic bond is formed between the protonated amine group of the fiber and the acid group of the dye, acid dyes that are anionic and soluble in water are applied to wool, silk, and nylon

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Answer:

398 mL

Explanation:

Using the equation for molarity,

C₁V₁ = C₂V₂ where C₁ = concentration before adding water = 8.61 mol/L and V₁ = volume before adding water, C₂ = concentration after adding water = 1.75 mol/L and V₂ = volume after adding water = 500 mL = 0.5 L

V₂ = V₁ + V' where V' = volume of water added.

So, From C₁V₁ = C₂V₂

V₁ =  C₂V₂/C₁

= 1.75 mol/L × 0.5 L ÷ 8.61 mol/L

= 0.875 mol/8.61 mol/L

= 0.102 L

So, V₂ = V₁ + V'

0.5 L = 0.102 L + V'

V' = 0.5 L - 0.102 L

= 0.398 L

= 398 mL

So, we need to add 398 mL of water to the nitric solution.

Proteins, lipids, nucleic acids, and carbohydrates are examples of large food molecules that need to be broken down into smaller subunits in order to be absorbed by the lining of the alimentary canal.

Who or what is the alimentary canal?

the digestive tract (also called the digestive tract). The body's organs form a lengthy tube that serves as a passageway for food. It encompasses the esophagus, stomach, and intestines and extends from the mouth to the anus (where feces are expelled). The digestive tract of an adult is approximately 30 feet (9 meters) long.

Short answer: What is the alimentary canal?

The muscular, hollow, continuous tube organ known as the alimentary canal, which originates in the mouth and ends in the anus, is in charge of food digestion and absorption.

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The magnitude of the force acting on the body is 4000 Newtons.

To find the magnitude of the force, we can use Newton's second law of motion, which states that the force applied to an object is equal to the product of its mass and acceleration.

The given information includes the mass of the body (80 kg) and the resulting velocity (10 m/s). However, since the time duration (0.2 seconds) is also provided, we can use it to calculate the acceleration of the body.

The formula to calculate acceleration is:

Acceleration = Change in Velocity / Time

The change in velocity can be calculated by subtracting the initial velocity (which is 0 m/s as the body is at rest) from the final velocity:

Change in Velocity = Final Velocity - Initial Velocity

Change in Velocity = 10 m/s - 0 m/s

Change in Velocity = 10 m/s

Now, we can calculate the acceleration:

Acceleration = Change in Velocity / Time

Acceleration = 10 m/s / 0.2 s

Acceleration = 50 m/s²

Finally, we can calculate the magnitude of the force using Newton's second law:

Force = Mass x Acceleration

Force = 80 kg x 50 m/s²

Force = 4000 N

Therefore, the magnitude of the force acting on the body is 4000 Newtons.

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Answer:

True

Explanation:

they have the same number of protons but different number of neutrons which results in a different mass

I would greatly appreciate if you can give this the brainliest answer crown!

Answer:

11

Explanation:

mass no.= No. of protons+ no.of neutrons

= 5+6

=11

Answer:

Explanation:

The percentage error of a certain measurement can be found by using the formula

\(P(\%) = \frac{error}{actual \: \: number} \times 100\% \\\)

actual mass = 24.3

error = 24.3 - 14.7 = 9.6

We have

\(p(\%) = \frac{9.6}{24.3} \times 100 \\ = 39.506172839...\)

We have the final answer as

Hope this helps you

Answer:

Because seasons are caused by the changing angles that sunlight strikes the Earth (due to it's tilted axis), a decrease in tilt would mean less extreme seasons. ... However, less tilt would mean less of a change in angle around the orbit and therefore cooler summers and warmer winters.

At STP (standard temperature and pressure, T = 273K and P = 1 atm), a mol of gas will have a volume of 22.4 Liters, so if we have 57.1 Liters of CO2, we will have:

22.4 L = 1 mol

57.1 L = x moles of CO2

x = 2.5 moles of CO2 in 57.1 L at STP

The atomic ratio of carbon to oxygen in carbon monoxide (CO) is 1:1, and the atomic ratio of carbon to oxygen in carbon dioxide (CO₂) is 2:1.

Firstly, we can analyze the decomposition of carbon monoxide (CO) and carbon dioxide (CO₂) to determine the atomic ratios involved.

Let's denote the atomic ratio of carbon to oxygen in carbon monoxide as x, and the atomic ratio of carbon to oxygen in carbon dioxide as y.

According to the given data;

Decomposition of carbon monoxide (CO);

Oxygen produced = 3.36 g

Carbon produced = 2.52 g

We know that the atomic mass of carbon is 12 g/mol, and the atomic mass of oxygen is 16 g/mol. Using these values, we can calculate the number of moles for each element;

Number of moles of oxygen = mass / atomic mass = 3.36 g / 16 g/mol = 0.21 mol

Number of moles of carbon = mass / atomic mass = 2.52 g / 12 g/mol = 0.21 mol

Since the atomic ratio of carbon to oxygen in carbon monoxide is x, we can write the following equation;

0.21 mol C / (0.21 mol O) = x

Simplifying the equation, we have;

x = 1

Therefore, the atomic ratio of carbon to oxygen in carbon monoxide is 1:1.

Decomposition of carbon dioxide (CO₂);

Oxygen produced = 9.92 g

Carbon produced = 3.72 g

Following the same calculations as before;

Number of moles of oxygen = mass / atomic mass = 9.92 g / 16 g/mol = 0.62 mol

Number of moles of carbon = mass / atomic mass = 3.72 g / 12 g/mol = 0.31 mol

Since the atomic ratio of carbon to oxygen in carbon dioxide is y, we can write the following equation;

0.31 mol C / (0.62 mol O) = y

Simplifying the equation, we have;

y = 0.5

Therefore, the atomic ratio of carbon to oxygen in carbon dioxide is 1:0.5, which can be simplified to 2:1.

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--The given question is incomplete, the complete question is

"Missed this? watch kcv: atomic theory; read section 2.3. you can click on the review link to access the section in your text. carbon and oxygen form both carbon monoxide and carbon dioxide. when samples of these are decomposed, the carbon monoxide produces 3.36 g of oxygen and 2.52 g of carbon, while the carbon dioxide produces 9.92 g of oxygen and 3.72 g of carbon. Calculate the atomic ratio of carbon to oxygen in carbon monoxide, and carbon dioxide."--

Answer:

The energy of a ruby laser that produces red light with a wavelength of 5.00 × 10^-7 m is 3.98 × 10^-19 J.

Explanation:

The energy of a photon is given by the formula E = hf where h is Planck’s constant and f is the frequency of the photon. The frequency of the photon can be calculated using the formula f = c/λ where c is the speed of light and λ is the wavelength of the photon.

Substituting the given values, we get:

f = c/λ = 3.00 × 10^8 m/s / 5.00 × 10^-7 m = 6.00 × 10^14 Hz

E = hf = (6.626 × 10^-34 J s) × (6.00 × 10^14 Hz) = 3.98 × 10^-19 J

Therefore, the energy of a ruby laser that produces red light with a wavelength of 5.00 × 10^-7 m is 3.98 × 10^-19 J.

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Answer:

molar mass of caco3 is

100.0869 g/ mol

√{ 2.8*10⁻¹⁶ [Pb(OH)2] / [Pb2+]} is the concentration of hydroxide ions in equilibrium with solid lead(ii) hydroxide

What distinguishes a Chemical equilibrium?

Chemical equilibrium refers to the situation in a chemical reaction where both the reactants and products are present in concentrations that have no further propensity to change over time, preventing any discernible change in the system's properties.

The equilibrium constant for a solid material dissolving in an aqueous solution is the solubility product constant, Ksp. It stands for the degree of substance dissolution in solution. A substance's Ksp number increases with how soluble it is.

Pb (OH) 2 ⇒ Pb 2+ + 2 OH-

Ksp ⇒[Pb2+] [OH-]² / [Pb(OH)2]

[OH-] will be √{ 2.8*10⁻¹⁶ [Pb(OH)2] / [Pb2+]}

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The heat of the reaction is 90.83 kJ/mol.

The specific heat is the amount of heat per unit mass required to raise the temperature by one degree Celsius.

It is a measure of how much energy it takes to raise the temperature of a substance. It is the amount of heat necessary to raise one mass unit of that substance by one temperature unit.

It is given by the formula -

                                                  Q = mcΔT

where, Q = amount of heat

m = mass

c = specific heat

ΔT = Change in temperature

Heat of formation is the opposite of heat of reaction.

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