How would I name this?

Provide the correct IUPAC name for the compound shown here.

​

Answer:

option B

cementation and compaction

Answer:

2 moles

Explanation:

In this reaction, the stoichiometry (mole ratio) is 1 mole of sulfuric acid reacting with 2 moles of sodium hydroxide (1:2 ratio)

Answer:

ΔU = Q − W

Explanation:

the branch of physical science that deals with the relations between heat and other forms of energy (such as mechanical, electrical, or chemical energy), and, by extension, of the relationships between all forms of energy.

ΔU is the change in internal energy U of the system. Q is the net heat transferred into the system—that is, Q is the sum of all heat transfer into and out of the system.

In the galvanic or voltaic cell, the standard cell potential is 1.67 V. The standard potential is the difference between the reduction potential of cathode and anode.

An electrochemical cell produces energy by a sponteanous chemical process. A galvanic or voltaic cell produces energy by a sponteanous chemical reaction.

Hence, given the standard reduction potentials;

Sn4+ + 2e- ==> Sn2+  Eº = 0.15 V (anode)

Co3+ + 2e- ==> Co2+  Eº = 1.82 V (cathode)

Eºcell = 1.82 V - 0.15 V = 1.67 V

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Answer:

the enthalpy change of this is 5.02mol

Answer:

Calculate the pOH for a solution with a hydroxide ion, (OH-) of concentration of 6.49 X 10-11 M.

Calculate the pH.

Note: the answers should have three significant figures

The pOH is: Blank 1

The pH is: Blank 2

Explanation:

When an electron moves from n = 2 to n = 1, it emits a photon of ultraviolet light.

During transition from n=2 to n=1 in a hydrogen atom, the electron emits energy in the form of photon. We know that when electron absorb energy, it moves from lower level to higher level and vice versa.

So we can conclude that when an electron moves from n = 2 to n = 1, it emits a photon of ultraviolet light.

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Answer:

Explanation:

This is not my photo. I got it from this website.

https://pubchem.ncbi.nlm.nih.gov/compound/Chlorocyclohexane#section=2D-Structure

The volume of the 1.75 M H₃PO₄ solution required to neutralize 50 ml of 3.5 M Ca(OH)₂ solution is 66.67 mL

2H₃PO₄ + 3Ca(OH)₂ —> Ca₃(PO₄)₂ + 6H₂O

From the balanced equation above,

MaVa / MbVb = nA / nB

(1.75 × Va) / (3.5 × 50) = 2/3

(1.75 × Va) / 175= 2/3

Cross multiply

1.75 × 3 × Va  = 175 × 2

5.25 × Va = 350

Divide both side by 5.25

Va = 350 / 5.25

Va = 66.67 mL

Thus, the volume of the H₃PO₄ solution needed is 66.67 mL

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Answer:

Your answer would be:
0.98atm.

Explanation:

The pressure of a gas can be calculated by using the following expression:

PV = nRT

P = pressure

V = volume
-----------------------------------

n = number of moles

R = gas law constant

T = temperature

P × 5 = 0.2 × 0.0821 × 298

5P = 4.893

P = 4.893 ÷ 5 = 0.98atm

P = 0.98atm

In conclusion, the pressure of a 5.00 L flask at 25 degrees C. that contains 0.200 mol of Cl2 is 0.98atm.

Have a great rest of your day
#TheWizzer

Answer:

Hello, senzawahl SORRY IF I SPELLED YOUR NAME INCORRECT
Prime here ready to solve your question :)


so your correct answer is 0.98atm.

Explanation:

Stay safe


-prime

The benzene molecule is flat and planar. As a result of this planarity, the substituent is also in the plane of molecule and do not show any directionality.

The benzene molecule is a flat and planar molecule owing to the fact that all the bond lengths and bond angles in the molecules are the same. This results from resonance in the molecule.

Hence, owing to the planarity of the molecule, the substituent is also in the plane of molecule and do not show any directionality.

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For 3.50 grams of an unknown metal was placed in a graduate cylinder containing 50.0mL water initially,  the density of this unknown meta  is mathematically given as

D= 0.23 g/ml

Generally, the equation for the Volume of water  is mathematically given as

Vw= Volume of water after metal addition - Volume of water initial

Therefore

Vw = 65 ml - 50 ml

Vw= 15 ml

In conclusion,

D= Mass of metal / Volume

D= 3.5 / 15

D= 0.23 g/ml

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Answer:

c

Explanation:

mass is like matter it cant be created or destroyed so mass stays the same.

Answer:

C) It is equal to the total mass of the products.

Explanation:

The law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products.

- profparis

Note the signs of equilibrium:-

So

if

Concentration of A is 2M then concentration of B should be same .

So equilibrium constant K is 1

[tex]\\ \rm\rightarrowtail K=\dfrac{[Products]^a}{[Reactants]^b}[/tex]

So

The equilibrium constant K is the ratio of product of molar concentrations of products to the product of molar concentrations of reactants. The concentration of B in the given reaction is 0.0031 M.

Rate of a reaction is the rate of decrease in the concentration of the reactants or rate of increase in the concentration of products.

Consider the simple reaction A ⇄2B, the rate of the reaction can be written as follows:

rate = K [A]

Where, k is the equilibrium constant or rate constant and [A] is the concentration of reactant A. If A have any coefficients, then the coefficient number is written as power of the concentration term.

The equilibrium constant K = [B]²/ [A] it is given 4.87 ×10⁻⁶ . Thus concentration of B can be calculated as follows:

[B]² = K [A]

       = (4.87 ×10⁻⁶)×2.00 M

       =9×10⁻⁶

  [B] = 0.0031 M

Hence, the concentration of the product B is 0.0031 M.

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#SPJ2

Answer:

The answer is the Sodium Chloride.

Explanation:

A solute is the minor component in a solution, dissolved in the solvent, and the sodium is being dissolved in water ( or the solvent).

A chemist adds 36.0 g of sodium chloride to 200 g of water at STP and all of the sodium chloride dissolves, in this scenario sodium chloride is solute.

Those substance which are present in the solution relatively in less amount is known as solute.

In the question given that 36 grams of sodium chloride is added in the 200 grams of water. From this it is clear that sodium chloride is a solute and water is a solvent, which additionally makes a solution.

Hence, sodium chloride is a solute.

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The Lewis structures in which there are no formal charges is the most stable. Hence, structure (b) is the  more stable form of FNO2.

The question is incomplete but I will try to answer you as much as I can. Now the equation is missing hence we can't numerically caculate the enthalpy chnage of the reaction from bond energies. However, we can do this using the formula; Σbond energy of reactants - bond energy of products.

Concerning the Lewis structures of FNO2, the most stable structure is structure (b) as shown in the image attached where the atoms have no formal charges.

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Answer: The gas generated by two antacid tablets has a smaller volume.

Explanation:

Since the antiacid is the limiting reagent, we know that the more tablets there are, the more gas there will be.

This means that there will be more gas generated by the four antiacid tablets when compared to the two antiacid tablets, which gives us that the gas generated by the two antiacid tablets has a smaller volume.

For a 35.83 g sample of potassium chlorate,  the mass of potassium chloride is mathematically given as

M Kcl=21.62g

Generally, the equation for the Chemical Reaction  is mathematically given as

2KClO_3----->2KCl+2O_2

Therefore

[tex]Mole of KCl=\frac{35.57}{122.55}[/tex]

Mole of KCl=0.29mol

Mass of Kcl=0.29*74.55

Mass of Kcl=21.62g

In conclusion, Mass of Kcl

M Kcl=21.62g

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Answer:

To what temperature must a sample of helium gas be cooled from 22.2 degrees C to reduce its volume from 1.00L to 100cm3 ?

Explanation:

Answer:

It is Se.

hope this helps.

Answer:

20 atm

Explanation:

Use the equation P1 x V1 = P2 x V2.

1) Rearrange the equation with algebra to solve for P2.

P2 = (P1 x V1)/ V2

2) Plug in to the equation where V1 = 25L, P1 = 0.80 atm, and, V2 = 1 L

P2 = (25L x 0.80 atm)/ 1L

3) Solve: P2 = 20 atm

The pressure required to reduce the oxygen's volume to 1 L would be 20 atm.

Answer:

C. Refining

Explanation:

Refining process removes elements from a substance

Answer:

water has a high specific heat

Explanation:

this should work as an answer

Answer:

A.

Explanation:

Answer:

d=3.95 g/l

Explanation:

1) Ideal gas equation:

pV = nRT

2) Transform the equation to compute density, d = m / V

n = mass in grams / molar mass = m / MM

pV = (m/MM) RT

=> pV = mRT/MM

=> m/V = pMM / (RT)

d = pMM / (RT)

p = 1.21 atm

MM = 83.80 g/mol (this is the atomic mass of krypton element)

T = 50 + 273.15 K = 323.15K

3) Compute:

d = (1.25 atm * 83.80 g/mol) / (0.0821 atm*liter /K*mol * 323.15K)

Answer:

0.1 M Calcium phosphate

Explanation:

Which is also

0.1mCal2

Answer:

Growing population

The worlds developing regions will see 1.2 billion people added, a 20.7% increase; while the population of developed countries will increase a mere 3.3% adding 41 million to the current 1.3 billion people.

When the zinc plate in one of Edison's coulometers increased in mass by 7.85 g, the amount of charge that had passed through it is 23,173 C.

The zinc metal will ionize as shown below;

Zn²₊ + 2e⁻ → Zn

The molar mass of zinc metal is given as 65.38 g/mol

Amount of charge that will deposite the given mass of zinc is calculated as follows;

e⁻ = 96500 C

2e⁻ = 2 x 96500 C = 193,000 C

65.38 g -------> 193,000 C

7.85 g -----------> ?

= (7.85 x 193,000)/(65.38)

= 23,173 C

Thus, when the zinc plate in one of Edison's coulometers increased in mass by 7.85 g, the amount of charge that had passed through it is 23,173 C.

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