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Question below:

Answer:

See explanation and image attached

Explanation:

The  acid-catalyzed hydration of alkenes is an ionic reaction. Being an ionic reaction, a carbocation is formed in the process. This carbocation is capable of rearrangement to yield different products based on thermodynamic stability.

Remember that the order of stability of carbocations is; methyl< primary<secondary< tertiary. The rearrangement of carbocations leads to the formation of more stable intermediates and consequently more stable products.

However, the alkene in the image shown yields 1-methylcyclohexanol  without carbocation rearrangement.

Answer:

[tex] \huge 9[/tex]

Explanation:

The pH of a solution can be found by using the formula

[tex]pH = - log [ { H_3O}^{+}][/tex]

From the question we have

[tex]pH = - log(1 \times {10}^{ - 9} ) [/tex]

We have the final answer as

Hope this helps you

The energy of the waves is 6.5 * 10^-19 J.

The energy of the wave could be obtained from the wavelength of the wave by by the use of the formula shown below;

E = hc/λ

h = Plank's constant

c = speed of light

λ = wavelength

Now we have;

h = 6.6 * 10^-34 Js

c = 3 * 10^8 m/s

λ =  305 * 10^-9

E =  6.6 * 10^-34 Js * 3 * 10^8 m/s/ 305 * 10^-9

E = 6.5 * 10^-19 J

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The number of vum the man can trade for is = 108 vum

The number of sop the man has = 4 sop.

But the exchange rates are as follows:

1 fot = 5 vum,

2 sop = 3 tuz,

4 bef = 5 tuz,

9 fot = 2 bef

Using,

2 sop = 3 tuz,

4sop = X tuz

X tuz = 4×3/2 = 13/2 = 6 tuz.

Using,

4 bef = 5 tuz,

X bef = 6 tuz

X bef = 6×4/5

X bef =24/5 = 4.8 bef

Using,

9 fot = 2 bef

X fot = 4.8 bef

X fot = 9 × 4.8/2

X fot = 21.6 fot.

Using,

1 fot = 5 vum,

21.6 fot = X vum

X vum = 5 × 21.6/1

X vum = 108 vum

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The highest boiling point : A) 0.10 M lithium sulfate, Li₂SO4

Solutions from volatile substances have a higher boiling point and lower freezing points than the solvent  

ΔTb = Tb solution - Tb solvent  

ΔTb = boiling point elevation  

[tex] \large {\boxed {\boxed {\bold {\Delta Tb \: = \: Kb.m}}} [/tex]  

Kb = molal boiling point increase  

m = molal solution  

For electrolyte solutions there is a van't Hoff factor = i  

i = 1 + (n-1) α  

n = number of ions from the electrolyte  

α = degree of ionization, strong electrolyte α = 1, for non electrolytes i = 1  

So ΔTb   ≈ i(van't Hoff), the greater i, the greater ΔTb

α = 1 ,  strong electrolyte

A) 0.10 M lithium sulfate, Li₂SO4

Li₂SO4 ⇒2Li⁺+SO₄²⁻ ⇒n=3

B) 0.10 M hydrochloric acid, HCI

HCl⇒H⁺+Cl⁻⇒n=2

C) 0.10 M lithium nitrate, LINO₃

LINO₃ ⇒ Li⁺+NO₃⁻ ⇒n=2

D) 0.10 M magnesium sulfate, MgSO4​

MgSO4​ ⇒ Mg²⁺ + SO₄²⁻ ⇒ n=2

Answer:

"a chemical reaction in which acid and a base react quantitatively with each other"

Explanation:

So there are two aluminum atoms, three sulfur atoms, and 12 oxygen atoms in a single unit of the compound Al2(SO4)3.

Chemical element aluminum has the atomic number 13 and the letter Al assigned to it. The density of aluminum is around one third that of steel, which is less than that of most common metals. When exposed to air, it generates an oxidized layer that protects the surface because to its strong affinity for oxygen. With regard to color and light-reflecting properties, aluminum has a striking visual similarity to silver. It has a soft, ductile, and non-magnetic texture.

Aluminum is the twelfth most frequent element in the universe and has only one stable isotope, 27Al, which is also quite abundant. Radiodating employs the radioactivity of 26Al.

Chemically, aluminum belongs to the boron group and is a post-transition metal.

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Answer:

Geosphere

Explanation:

Geosphere sometimes called as lithosphere starts from the surface of the earth and lies till crust. This part of the earth contains rocks and minerals.

This portion of the earth includes sediments,mountains and rock. The natural resources that is available to the human brings lies in geosphere.

Answer:2.2

Explanation:

Answer:

Al is above H on the activity series

Explanation:

The given chemical reaction is expressed as:

            2Al + 6HBr →  2AlBr₃ +  3H₂

The reaction above is a single displacement or replacement reaction and will only occur if Al is above H on the activity series.

Answer:

distillation of a mixture

Explanation:

Answer:

A.) Distillation of mixture.

Explanation:

edge 2021

Answer:

1.18 × 10²⁴ particles Mg

General Formulas and Concepts:

Chemistry - Atomic Structure

Explanation:

Step 1: Define

47.7 g Mg

Step 2: Identify Conversions

Avogadro's Number

Molar Mass of Mg - 24.31 g/mol

Step 3: Convert

[tex]47.7 \ g \ Mg(\frac{1 \ mol \ Mg}{24.31 \ g \ Mg} )(\frac{6.022 \cdot 10^{23} \ particles \ Mg}{1 \ mol \ Mg} )[/tex] = 1.18161 × 10²⁴ particles Mg

Step 4: Check

We are given 3 sig figs. Follow sig fig rules and round.

1.18161 × 10²⁴ particles Mg ≈ 1.18 × 10²⁴ particles Mg

Answer:

3x10 16hz 16 small above 10

Explanation:the frequency of any wave is (wave speed)/(wavelength)

The speed of light is 3x10 m/s. that's 30 million quartz

Answer:

180 g

Explanation:

At the end of the reaction, the mass is still expected to be 180g this is because in every chemical reaction, mass must be conserved.

According to the law of conservation of mass "in a chemical reaction, matter is neither created nor destroyed".

Answer:

Explanation:

The essential though process is to ask oneself when converting grams to moles=>  'How many formula weights are in the given mass?' This directs one to divide the substance's formula weight into the given mass (in grams) on order to determine number of moles. That is ...

moles = Given Mass of Substance in grams / formula weight of substance in grams

= 1578 grams / 791 grams-mol.⁻¹ =1.995 mole ≅ 2 moles

Answer:

A 9 moles of reactants changes into 11 moles of product

Explanation:

they deserve a brainliest :)

Answer:

Explanation:

The proposed structural formula for compound A can be seen in the diagram below with its reaction mechanism. In the first SN2 reaction, we could see how anime reacts with the primary alkyl bromide since it is more reactive. However, the product derived undergoes a subsequent SN2 reaction in the second stage to produce a cyclic product.

Answer:

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

[tex]a = \frac{f}{m} \\ [/tex]

f is the force

m is the mass

From the question we have

[tex]a = \frac{500}{50} = \frac{50}{5} = 10 \\ [/tex]

We have the final answer as

Hope this helps you

Answer:

probably b i got nothing but i hop eit is good

Explanation:

Answer:

pretty sure it's heterogeneous

Explanation:

Also, I saw you added me as a friend and I'm kinda curious as to why :)

Answer:

Heterogeneous mixture

Explanation:

The given question is incomplete, the complete question is:

Determine the vapor pressure (in atm) of water in an aqueous solution of 12% by mass ethylene glycol (antifreeze) if the vapor pressure of pure water at that temperature is 0.095 atmospheres.

Answer:

The correct answer is 0.091 atm.

Explanation:

Based on the given information, the mass of ethylene glycol is 12% by mass, which means 12 grams of ethylene glycol dissolved in 88 grams of water.

The moles of a substance can be determined by using the formula,

Moles = Weight/molecular mass

Number of moles of water = mass/molecular mass

= 88g/18g/mol

= 4.88 moles

Number of moles of ethylene glycol = Mass/molecular mass

= 12 grams/62g/mol

= 0.193 moles

Mole fraction of water will be,

Mole fraction = number of moles of water/Number of moles of water+Number of moles of ethylene glycol

Mole fraction = 4.88/4.88+0.193

= 0.961

Vapor pressure of water can be determined by using the formula,

Vapor pressure = Vapor pressure of pure water * Mole fraction of water

= 0.095 * 0.961

= 0.091 atm.

Answer:

send a pic or more info

Explanation:

Answer:

[Al³⁺] = 1.62 M

[SO₄²⁻] = 2.43 M

Explanation:

Step 1: Given data

Molar concentration of Al₂(SO₄)₃: 0.811 M

Step 2: Write the reaction for the ionization of Al₂(SO₄)₃

Al₂(SO₄)₃(aq) ⇒ 2 Al³⁺(aq) + 3 SO₄²⁻(aq)

Step 3: Calculate the molar concentration of Al³⁺

The molar ratio of Al₂(SO₄)₃ to Al³⁺ is 1:2. The molarity of Al³⁺ is 2/1 × 0.811 M = 1.62 M.

Step 4: Calculate the molar concentration of SO₄²⁻

The molar ratio of Al₂(SO₄)₃ to SO₄²⁻ is 1:3. The molarity of SO₄²⁻ is 3/1 × 0.811 M = 2.43 M

The concentration of the aluminium ion is 0.4055 M while the concentration of the sulfate ion is 0.270  M.

We know that the following reaction occurs for the dissolution of Al2(SO4)3 in water;

Al2(SO4)3(s) ----> 2Al^3+(aq) + 3SO4^2-(aq)

To find the concentration of each of the ions;

So using the square bracket notation to indicate concentration;

[Al^3+] = 0.4055 M

So using the square bracket notation to indicate concentration;

[SO4^2−] =0.270  M

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Answer:

4-5

Explanation:

maybe 5