Draw the structures, including stereochemistry, of the two intermediates and the final product. Use wedge‑and‑dash bonds and hydrogens on chirality centers

Answer:

I think it is D.

Explanation:

Sry if I am wrong...

Answer:

wrinkle free

Explanation:

Typical household bleach has a value of pH of 13, so the concentration of H₃O⁺ in household bleach is 1 × 10⁻¹³ M.

pH of any solution is defined as the negative logarithm of the concentration of H⁺ ion presnt in the solution.

pH = -log[H⁺]

From this equation we can calculate the concentration of H⁺ ion by removing logarithm as:

[H⁺] = [tex]10^{-pH}[/tex]

Given value of pH = 13

[H⁺] = 10⁻¹³ M

Hence, required concentration is 1 × 10⁻¹³ M.

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Answer:

1st blank is 1.00

2nd blank is -13

Explanation:

The volume of the soft drink solution in milliliters that contains 102.5 g of sucrose is 11.93mL.

The volume of a solution can be calculated by dividing the mass by the density. That is;

Volume = mass/density

According to this question, a soft drink contains 12.1% sucrose (C12H22O11) by mass. This means that the mass of the sucrose is

12.1/100 × 102.5 = 12.40g of sucrose

Volume = 12.40g ÷ 1.04g/mL

Volume = 11.93mL

Therefore, the volume of the soft drink solution in milliliters that contains 102.5 g of sucrose is 11.93mL.

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Answer:

Answer: C

Melamine resin or melamine formaldehyde (also shortened to melamine) is a resin with melamine rings terminated with multiple hydroxyl groups derived from formaldehyde. This thermosetting plastic material is made from melamine and formaldehyde.

Melamine formaldehyde is a thermosetting plastic (or thermoset) that strengthens as it is heated during its preparation.

The new concentration of the KCl solution after mixing 1 L new volume is 0.28 M.

Concentration in terms of molarity will be calculated by using the below equation as:

M₁V₁ = M₂V₂, where

M₁ = molarity of old KCl solution = 1.6 M

V₁ = volume of old KCl solution = 175 mL = 0.175 L

M₂ = molarity of new KCl solution = ?

V₂ = volume of new KCl solution = 1 L

On putting all these values on the above equation, we get

M₂ = (1.6)(0.175) / (1) = 0.28 M

Hence resultant concentration is 0.28 M.

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Answer:

Gravitional Force

Explanation:

Every planet has a gravitational pull which attracts all objects; the moon is no exception. It says forces in the question but I know for sure gravitational force is apart of it.

The amount of the amino acid glycine that is found in Stan’s apparatus is more than that of murchison meteorite.

It should be noted that amino acid simply means organic compounds that contain both amino and carboxylate.

In this case, the amount of the amino acid glycine that is found in stan’s apparatus is more than that of murchison meteorite. This was depicted by the fraction of the three amino acids in the scenario.

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The actual amount of the amino acid glycine found in Stan’s apparatus is more than the amount of glycine in the Murchison meteorite.

Amino acids are the building blocks of proteins. The building blocks of life are amino acids and proteins.

In this example, the amount of glycine detected in Stan's equipment is more than that found in the Murchison meteorite. The fraction of the three amino acids in the scenario represented this.

Hence amount of amino acid is more in Stan's apparatus as compared to the Murchison meteorite.

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Answer:

118MOLS

Explanation:

M1VI=M2V2

THE REST WORK OUT ( BA UNZA STUDENTS HE HE HE )

The number of moles of each atom present in 5 moles of Cu₃(PO₄)₂ are:

The moles of atom present in 5 moles of Cu₃(PO₄)₂ can be obtained as follow

1 mole of Cu₃(PO₄)₂ contains 3 moles of Cu.

Therefore,

5 moles of Cu₃(PO₄)₂ will contain = 5 × 3 = 15 moles of Cu

1 mole of Cu₃(PO₄)₂ contains 2 moles of P.

Therefore,

5 moles of Cu₃(PO₄)₂ will contain = 5 × 2 = 10 moles of P

1 mole of Cu₃(PO₄)₂ contains 8 moles of O.

Therefore,

5 moles of Cu₃(PO₄)₂ will contain = 5 × 8 = 40 moles of O

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The number of moles of copper, phosphorous and oxygen present in the 5 moles of Cu₃(PO₄)₂ are 15, 20 and 40 respectively.

Stoichiometry of any chemical equation gives idea about the amount of species present before and after the reaction.

Dissociation reaction of Cu₃(PO₄)₂ is shown as below:
Cu₃(PO₄)₂ → 3Cu²⁺ + 2PO₄³⁻

From the stoichiometry of the equation, it is clear that:

1 mole of Cu₃(PO₄)₂ produces 3 moles of copper atom, 2 moles of phosphorous atoms an 8 moles of oxygen atom.

5 moles of Cu₃(PO₄)₂ = produces 3×5=15 moles of Cu

5 moles of Cu₃(PO₄)₂ = produces 2×5=10 moles of P

5 moles of Cu₃(PO₄)₂ = produces 8×5=40 moles of O

Hence required moles of copper, phosphorous and oxygen are 15, 20 and 40 respectively.

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Answer:

Thermal Energy

Explanation:

Energy that is dissipated or absorbed as heat is in the form of thermal energy.

Apply Charles law

[tex]\\ \bf\bull\rightarrowtail V1T2=V_2T1[/tex]

[tex]\\ \bf\bull\rightarrowtail 10(20)=25V_2[/tex]

[tex]\\ \bf\bull\rightarrowtail 200=25V_2[/tex]

[tex]\\ \bf\bull\rightarrowtail V_2=8L[/tex]

Answer:

hope it's helpful to you

Emphysema is directly linked to a reduction in the surface area available for gas exchange in the human lungs.

Emphysema is a lung disease that causes shortness of breath.

The air sacs are damaged in this disease.

The inner walls of the air sacs weaken and rupture, resulting in a larger number of smaller air spaces.

Smoking is the primary cause of Emphysema

Thus, Emphysema is directly linked to a reduction in the surface area available for gas exchange in the human lungs.

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Answer:

84.0 g

Balanced equation: 4Fe + 3O2 --> 2Fe2O3

Find moles of oxygen:

Find mass of O2

The concentration of NaOH that is used to completely neutralize is 0.25 Liters.

We will calculate the concentration in terms of molarity by using the below formula:

M₁V₁ = M₂V₂, where

M₁ = molarity of H₂SO₄ = 2m

V₁ = volume of H₂SO₄ = 0.25 L

M₂ = molarity of NaOH = ?

V₂ = volume of NaOH = 2 L

On putting all these values on the above equation, we get

M₂ = (2)(0.25) / (2) = 0.25 L

Hence required volume is 0.25 L.

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A solution in which methyl orange is red indicates the most acidic substance.

This is defined as a substance that gives a visible sign, usually by a colour change when a chemical species is added.

On litmus paper, the redder the color is, the more acidic it is which was why methyl orange changing to darker red signifies most acidity.

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Answer:

Advantages of tidal energyRenewable.

Tidal energy is a renewable source of energy, which means the energy doesn’t deplete as it is used. …

 Zero carbon emissions. In addition to being a renewable energy source, tidal power stations do not emit greenhouse gasses during electricity generation. … Predictable. … High power output.

Explanation:

Answer:

True

Explanation:

Since the waves have low frequency that means the wavelength is going to be longer. Hope this helps

Explanation:

A water fall falls and hits the base with force depending on the distance from which it fell.This force is caused by gravity pulling the water molecule as well as some other particles like eroded soil rapidly downwards.

The lewis structure of Magnesium nitride places eight electrons around N. 3 of these electrons are provided by Mg to get a stable conformation.

The Lewis structure is a representation of electron pairs in bonds between the atoms that compose the molecule. It can also show the solitary electron pairs that remain for each atom.

Electrons

When adding the valence electrons of each atom, we get the total number of electrons in the molecule.

The valence value is the number of electrons placed in the last energetic level of the atom.

The compound that forms between magnesium and nitrogen is magnesium nitride, Mg₃N₂. This is a simple salt with an ionic bond between a metal and a non-metal element.

They are elements that express a tendency to lose valence electrons to get a stable electronic configuration. When they lose electrons, they remain positively charged. These are cations with positive charges and lose the valence electrons of their last level.

Mg has 2 electrons in its last level, so to get a complete stable configuration (2e-), it needs to lose 2 electrons.

Mg has two positive charges Mg ²⁺

They are elements that gain electrons to complete their last level. These are the anions. When they get electrons, they remain negatively charged.

Because Nitrogen has 5 electrons in its last level, it needs to add 3 electrons. In this way, it gets to the complete stable configuration (8e-).

N has three negative charges N³⁻

So, to complete the Lewis structure, we need to add Mg ²⁺ and N³⁻.

We know that

According to this, N needs more than one Mg to complete its last level.

So, in our calculations, we need to have three Mg and two N.

You will find the final Lewis structure in the attached files.

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Explanation:

the answer can be in liquid, solid and gas

Answer:

The loss of crystalline structure of sucrose was reported at various temperatures, but decomposition, after >50 h of holding at 120 °C in a sealed pan.

Explanation:

As this condition is above the melting temperature of fructose (a possible first decomposition product), and there were water and impurities.

Answer:

Explanation:

The volume of Hydrogen and Oxygen molecules are not the same but assuming that they are, the ratio in water which is H2O would be

(c) 2:1

Both trials of 1.2 g and 1.6 g will have the same mass percent of water because the ratio of the salt to the water of hydration is always constant for any hydrated salt.

For every hydrated salt, the ratio of the salt to the water of hydration remains constant irrespective of the amount of salt taken for experimental analysis.

For example, assuming the mass percent of water in 10g of a hydrated salt is 40%, if 100g of the same salt is taken, the mass percent will remain 40%.

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Is this a true or false question? If so, then this would be a true statement. Synthetic materials are made in factories, and the usage of factories increases the risks of harmful gases and chemicals that negatively impacts Earth.

It is generally true that as consumption of a synthetic material increases, the associated negative impacts to Earth needed to produce the material also increase.

This is because the production of synthetic materials often requires the extraction and processing of non-renewable resources, such as petroleum, which can have a range of negative environmental impacts, including habitat destruction, air and water pollution, and greenhouse gas emissions.

Additionally, the disposal of synthetic materials can also lead to environmental problems, such as the accumulation of non-biodegradable waste in landfills and oceans.

However, it is important to note that not all synthetic materials have the same environmental impacts, and some materials may be more sustainable than others depending on their production methods and intended use. Hence, the given sentence is true.

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Your question is incomplete, most probably the full question is this:

True or false. As consumption of a synthetic material increases, the associated negative impacts to Earth required to produce the material increase.

Answer: You used the Kelvin scale.

Explanation: this is because its multiplied by the temperature im not sure.

Answer:

The answer is (3) 1676 kJ. The heats of reaction at 101.3 kPa and 298 K for reaction: 4Al(s) +3O2(g)= 2Al2O3(s) is -3351 kJ. So for one mole of aluminum oxide is 3351/2=1676 kJ.