Propose a reasonable synthetic strategy for the synthesis of e-6 methyl 3 heptene starting with 4 m ethyl 1 pentyne

Answer:

carbon

Explanation: carbon is the answer

The quantity which is equivalent to the product of the absolute index of refraction of water and the speed of light in water system is the speed of light in vacuum.

Speed of light is the rate of speed though the light travels. To find the speed of light in any medium, the following formula is used.

[tex]v=\dfrac{c}{n}[/tex]

Here, (n) is the index of reaction and (c) is the speed of light in the vacuum. The speed of light in the vacuum is almost equal to the 3.0×10⁸ m/s.

Now the quantity which is equivalent to the product of the absolute index of refraction of water and the speed of light in water has to be find out.

The above formula can be written as,

[tex]v=\dfrac{c}{n}\\vn=c\\c=vn[/tex]

Here, the product of index of refraction and speed of light is equal to the speed of light in vacuum. This will be true for water as well.

Thus, the quantity which is equivalent to the product of the absolute index of refraction of water and the speed of light in water system is the speed of light in vacuum.

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Hydrogen bonds are stronger than the dipole dipole attraction force present in any molecule.

Bonding is a type of attraction force which is present between the different atoms or elements of any substance.

Hence main difference is that hydrogen bond is only present between the hydrogen atom and more electronegative.

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The mass of potassium chloride with solubility 253.9 g/mL present in 100 grams of solution is 25.4 grams.

Concentration is given as the quantity of the solute present in the solution. The water at 25 degrees Celsius has density of 0.9982 g/mL.

The mass of the 100 grams of water is given as:

[tex]\rm Density=\dfrac{mass}{volume}\\\\0.9982\;g/mol=\dfrac{100\;grams}{Volume}\\\\Volume=100.180\;mL[/tex]

The solubility of potassium chloride is 253.9 g/mL

The grams of potassium chloride in the 100 grams solution will be:

[tex]\rm Mass\;of\;potassium\;chloride=\dfrac{253.9}{1000}\;\times\;100.81\;g\\\\Mass\;of\;potassium\;chloride=\25.4\;g[/tex]

Thus, the mass of potassium chloride present in 100 grams of water is 25.4 grams.

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Nitrogen has a normal boiling point of 77.4 K and a melting point (at 1 atm) of 63.2 K. Its critical temperature is 126.2 K, and its critical pressure is 2.55 * 104 torr. It has a triple point at 63.1 K and 94.0 torr.

The temperature and pressure at which the solid, liquid, and vapour phases of a pure substance can coexist in equilibrium.

- Normal melting point: 63.2 K.

- Normal boiling point: 77.4 K.

- Triple point: 0.127 atm and 63.1 K.

- Critical point: 33.5 atm and 126.0 K.

In such a way:

- N2 does not exist as a liquid at pressures below 0.127 atm: that is because below this point, solid N2 exists only (triple point).

- N2 is a solid at 16.7 atm and 56.5 K: that is because it is above the triple point, below the critical point and below the normal melting point.

- N2 is a liquid at 1.00 atm and 73.9 K: that is because it is above the triple point, below the critical point and below the normal boiling point.

- N2 is a gas at 0.127 atm and 84.0 K: that is because it is above the triple point temperature at the triple point pressure.

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Answer:

they send signals through the nerves. through sensory receptors to be specific

Answer:

V=10 l H2O

VM=22.4 l/mole

n=V/Vm=0.446 moles H2O

the ratio 1:2

x:0.446

x=0.223 moles O2

Answer:

A

Explanation:

-Icreaseing the solute would increase the concentration

-increasing the solvent will decrease the concentration

Answer:

.371 mole of NaCl

Explanation:

Na Cl Mole weight = 22.989   + 35.45 = 58.439 g/mole

21.7 g / 58.439 g/mole = .371 mole

Answer: 1.0 M

Explanation:

250 mL = 0.25 L

molarity = (moles of solute)/(liters of solution) = 0.25/0.25 = 1.0 M

Answer:

It means there are 6 O2 molecules

Explanation:

The amino acid coded by the sequence code UUC is phenylalanine.

An amino acid is an organic compound made up of an amine group and carboxylic group. There are total 20 amino acids are present.

Phenylalanine is coded by two code sequence UUU and UUC. It is not an essential acid, and its role in the body is not confirmed.

Thus, the amino acid coded by the sequence code UUC is phenylalanine.

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The SN₁ substitution reaction, in which the halogen is released from the haloalkane, and the nucleophile attacks the carbon's positive charge. SN₂ in which the nucleophile attacks the halogen's carbon, causing the halogen to be replaced in which nucleophile attack.

Substitution reactions are those reactions in which one functional group is replaced by another functional group.

Two types of substitution reactions can occur in haloalkanes: SN1  and SN2.

Thus, the SN₁ substitution reaction, in which the halogen is released from the haloalkane, and the nucleophile attacks the carbon's positive charge. SN₂ in which the nucleophile attacks the halogen's carbon, causing the halogen to be replaced in which nucleophile attack.

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The answer is "Location E, because Earth's axis is tilted towards the sun" :D

Answer:

C. Location E, because earth's axis is tilted towards the sun

Explanation:

Answer:

Las Vegas is expected to recieve less precipitation

The type of energy which is present between the repulsion interaction is the highest potential energy.

Potential energy is the amount of energy that is possess by any body with respect to the electric charge posses in that and other factors also.

Hence, molecules in which repulsion interaction is present will have highest potential energy.

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The metal that can react and dissolve in nitric oxide but not in HCl is copper.

The reactivity series is given as the arrangement of the metals in the descending order of their reactivity.

The HCl is able to dissolve the metals that have reactivity less than the hydrogen. Nitric oxide is a strong oxidizing agent and has the ability to react with metals such as copper and oxidizes it.

The HCl is however unable to react with copper as it has high reactivity than hydrogen. Thus, copper can dissolve in nitric oxide, but not in HCl.

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Answer:

.3422 M

Explanation:

Mole weight of NaCl ( from periodic table) = 58.439 gm/mole

20 g is how many moles ?      20 g / 58.439 gm/mole=.3422 mole

.3422 mole / 1 liter .3422 M

The combustion of diethyl ether gives releases of carbon dioxide gas along with the water.

Combustion is given as the reaction of the burning of the compound in the presence of oxygen.

The combustion results in the breakdown of the compound to its constituent ions or atoms. The reaction of combustion of [tex]\rm C_4H_1_0_O[/tex] is:

[tex]\rm C_4H_1_0_O\;(l)\;+\;6\;O_2\;(g)\;\rightarrow\;4\;CO_2\;(g)\;+\;5\;H_2O\;(l)[/tex]

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The concentration of the nitrate ion, NO₃¯ in the solution given the data is 0.0216 M

This is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:

Molarity = mole / Volume

Mole = mass / molar mass

Mole of Al(NO₃)₃ = 0.6 / 213

Mole of Al(NO₃)₃ = 0.0028 mole

Molarity = mole / Volume

Molarity of Al(NO₃)₃ = 0.0028 / 0.39

Molarity of Al(NO₃)₃ = 0.0072 M

Dissociation equation

Al(NO₃)₃(aq) <=> Al³⁺(aq) + 3NO₃¯(aq)

From the balanced equation above,

1 mole of Al(NO₃)₃ contains 3 moles of NO₃¯

Therefore,

0.0072 M Al(NO₃)₃ will contain = 0.0072 × 3 = 0.0216 M NO₃¯

Thus, the molarity of NO₃¯ in the solution is 0.0216 M

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Answer:

yesss

Explanation:

hehhehehhehe

Synthesis reaction

It is a reaction in which 2 or more reactants combine with each other to form one product .

Check option C

Sulphate and water are combining to form sulfuric acid .

Hence option C is correct

Answer:

SO3 + H2O => H2SO4

Explanation:

I took the test :)

The oxidation number of chromium (Cr) in CrO₂, Cr₂O₇²⁻ and Cr₂(SO₄)₃³⁻ is +4, +6 and +1.5 respectively.

Oxidation number of any compound gives idea about the number of exchangeable electrons from the outer most shell of an atom.

Let the oxidation state of chromium is x and charge on the whole molecule is zero, so it will be calculated as:

x + 2(-2) = 0

x - 4 = 0

x = +4

Let the oxidation state of chromium is x and charge on the whole molecule is -2, so it will be calculated as:

2x + 7(-2) = -2

2x - 14 = -2

2x = 12

x = +6

Let the oxidation state of chromium is x and charge on the whole molecule is -3, so it will be calculated as:

2x + 3(-2) = -3

2x - 6 = -3

2x = 3

x = +1.5 (which is impossible)

Hence oxidation state of chromium atom in CrO₂, Cr₂O₇²⁻ and Cr₂(SO₄)₃³⁻ is +4, +6 and +1.5 respectively.

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The chemical formula of decomposition of silver oxide to form silver metal and oxygen gas is 2Ag₂O ⇒ 4Ag + O₂.

Decomposition reaction are those reactions in which the compounds are breakdown into simpler form.

In the given reaction, the silver oxide is decomposing in silver and oxygen.

2Ag₂O ⇒ 4Ag + O₂.

Thus, the chemical formula of decomposition of silver oxide to form silver metal and oxygen gas is 2Ag₂O ⇒ 4Ag + O₂.

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Given the gas laws, the volume has to increase, with the increase in temperature.

There are three basis gas laws which relates the pressure, temperature, and volume of the gas.

The ideal gas law is the combination of the three simple gas laws.

Thus, the volume has to increase, with the increase in temperature.

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Answer:

Base

Explanation:

Why is Alka-Seltzer a base?

Alka-Seltzer contains sodium bicarbonate and citric acid. The sodium citrate acts as an antacid. Excess sodium bicarbonate from the Alka-Seltzer acts to neutralize base.