What is the final concentration of a solution prepared by diluting 35.0 ml of 12.0 m hcl to a final volume of 1.20 l? what is the final concentration of a solution prepared by diluting 35.0 ml of 12.0 m hcl to a final volume of 1.20 l?

Answers

Answer 1
Answer: We know that, M1V1     =     M2V2
                        (Initial)          (Final)
where, M1 and M2 are initial and final concentration of soution respectively. 
V1 and V2 = initial and final volume of solution respectively

Given: M1 = 12 m, V1 = 35 ml and V2 = 1.2 l = 1200 ml

∴ M2 = M1V1/V2 = (12 × 35)/ 1200 = 0.35 m
Final concentration of solution is 0.35 m
Answer 2
Answer:

Final answer:

The final concentration of the solution prepared by diluting 35.0 ml of 12.0 M HCl to a final volume of 1.20 L is 0.35 M.

Explanation:

The final concentration of a solution prepared by diluting 35.0 ml of 12.0 M HCl to a final volume of 1.20 L can be calculated using the formula for dilution: M1V1 = M2V2. In this formula, M1 is the initial concentration, V1 is the initial volume, M2 is the final concentration, and V2 is the final volume.

Firstly, we convert the initial volume from ml to litres because the final volume is given in litres. So, 35.0 ml = 0.035 L. Therefore, the equation becomes: 12.0 M * 0.035 L = M2 * 1.20 L.

On rearranging the equation to solve for M2, the result is 0.35 M.

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Your tongue and nose work separately.
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Answers

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yes your tongue and nose work together

Given the reaction: HC2H3O2(aq) + H2O ↔ H3O+(aq) + C2H3O2-(aq) When the reaction reaches a state of equilibrium, the concentrations of the reactants 1. are less than the concentrations of the products 2. are equal to the concentrations of the products 3. begin decreasing 4. become constant

Answers

The correct answer for the question that is being presented above is this one: "2. are equal to the concentrations of the products." Given the reaction: HC2H3O2(aq) + H2O ↔ H3O+(aq) + C2H3O2-(aq) When the reaction reaches a state of equilibrium, the concentration of product is equal yo the reactant. 

Answer:

4

Explanation:

The concentration of a solid or a liquid is essentially constant at equilibrium, because the forward and reverse reaction rates are equal.

(you got this dw :) )

What is an isotope? a. A form of an element with a different number of electrons c. A form of an atom with a different amount of orbitals b. A form of an atom with a different number of protons d. A form of an atom with a different number of neutrons

Answers

An isotope is an element with different atomic mass.

We have,
Atomic mass = no. of protons + no. of neutrons 
Now, we know, protons never change.....so the only thing that changes is neutrons if we want different atomic mass.

Soooooooo,

The answer is "D. A form of an atom with a different number of neutrons"

The answer is not A. because same element with different number of electron is ion.

The answer is not B. because if it has different number of proton....it is going to be a different element. Just like our fingerprints, we can say that protons are fingerprints of element. No. of protons never change.

The answer is not C. because again talking about electrons.

Answer:

D. A form of an atom with a different number of neutrons.

Explanation:

An Isotope has an equal number of protons but different numbers of neutrons in their nuclei.

Hope it helped!

Everything on earth is made of

Answers

- - Everything on earth is made of matter.Matter is all around you, everything you see and touch is matter. 
Everything is made out of matter. More specifically atoms.

Why does the forward reaction slow down over time

Answers

As reactions proceed, they will approach equilibrium, meaning they are completely balanced. As this occurs, there will be fewer products to react. Eventually, after all products are reacted, the reaction will completely stop. Since this doesn't happen instantaneously (usually), the reaction will start quickly and slow as time progresses. hope this helps you hope i am brainliest i need it 
The reaction does not stop at equilibrium.  Equilibrium is the point at which the rate of the forward reaction equals the rate of the reverse reaction which makes it so that there is no net change (that means that it looks like the reaction has stopped but the forward and reverse reaction is still happening).  

The forward reaction slows down over time due to the fact that the concentrations of reactants gets lower over time which makes it so that there are less collisions between reactants per unit of time.  Since reactions occur when the reactants collide in the right way, when the number of collisions lowers, the rate of the reaction will also lower.  This can be seen through the fact that rate of the forward reaction is rate=k[reactants].  As [reactants] gets lower, the rate of the forward reaction will get lower as well.  (rate=k[reactants] is the rate law for the forward reaction with [reactants] being the concentration of reactants and k being the rate constant).

I hope this helps.  Let me know if anything is unclear.

Ice does not need to melt into liquid water before it can return to the atmosphere as water vapor.Please select the best answer from the choices provided
T
F

Answers

Answer: The given statement is true.

Explanation:

When solid state of water changes directly into vapor state then this process is known as sublimation.

For example, when dry ice is placed at room temperature then it converts into vapor state without undergoing liquid state.

Also when we apply very high pressure or temperature at the solid state of water, it will change directly into vapor state.

Therefore, the statement ice does not need to melt into liquid water before it can return to the atmosphere as water vapor is true.

True! 
Because if it has a high pressure, it can skip the liquid phase. The process is called sublimation