If 3.0 moles of x and 4.0 moles of y react according to the hypothetical reaction below, how many moles of the excess reactant will be left over at the end of the reaction? x + 2 y yields xy2

Answers

Answer 1

firstly the limiting reactant should be identified. Limiting reactant is the reactant that is in limited supply, the amount of product formed depends on the moles present of the limiting reactant.

the stoichiometry of x to y = 1:2
1 mole of x reacts with 2 moles of y
if x is the limiting reactant, there are 3 moles of x, then 6 moles of y should react, however there are only 4 moles of y. Therefore y is the limiting reactant and x is in excess.
4 moles of y reacts with 2 moles of x
since there are 3 moles of x initially and only 2 moles are used up, excess amount of x is 1 mol thats in excess.

Related Questions

What is the mass, in grams, of 7.20×1020 molecules of caffeine, c8h10n4o2?

Answers

To determine the mass, you need to know the molecular weight of the c8h10n4o2 . The molecular weight of c8h10n4o2 would be: 8*12 + 10*1 + 4*14 + 2*16= 194g/mol.
To convert the number of molecules into moles, you need to divide it with 6.02 * 10^23. The calculation of the mass of c8h10n4o2 would be:
(7.20×10^20 molecules) /(6.02 * 10^23 molecule/mol) * 194g/mol= 232 * 10^-3 grams= 0.232 grams

Answer: 0.23 grams

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to its molecular mass and contains avogadro's number [tex]6.023\times 10^{23}[/tex] of particles.

To calculate the number of moles, we use the equation:

[tex]\text{Number of moles}=\frac{\text{Given molecules}}{\text{Avogadro's number}}=\frac{7.20\times 10^{20}}{6.023\times 10^{23}}=1.2\times 10^{-3}moles[/tex]

1 mole of caffeine [tex](C_8H_{10}N_4O_2)[/tex] weighs = 194 g

[tex]1.2\times 10^{-3}[/tex] moles of [tex](C_8H_{10}N_4O_2)[/tex] weigh = [tex]\frac{194}{1}\times 1.2\times 10^{-3}=0.23g[/tex]

Thus mass of caffeine [tex](C_8H_{10}N_4O_2)[/tex] is 0.23 grams.

How many liters of fluorine gas, at 298 K and 0.98 atm, will react with 23.5 grams of potassium metal? Show all of the work used to solve this problem. 2K + F2 2KF

Answers

For the reaction 2 K + F2 --> 2 KF,
consider K atomic wt. = 39
23.5 g of K = 0.603 moles, hence following the molar ratio of the balanced equation, 0.603 moles of potassium will use 0.3015 moles of F2. (number of moles, n = 0.3015)

Now, following the ideal gas equation, PV = nRT
P = 0.98 atm
V = unknown
n = 0.3015 moles
R = 82.057 cm^3 atm K^-1mole^-1 (unit of R chosen to match the units of other parameters; see the reference below)
T = 298 K
Solving for V,
V = (nRT)/P = (0.3015 mol * 82.057 cm^3 atm K^-1 mol^-1 * 298 K)/(0.98 atm)
solve it to get 7517.6 cm^3 as the volume of F2 = 7.5176 liters of F2 gas is needed.

4130 J of energy 52g water 10 c initial specific heat 4.18 J waht would the final temperature be

Answers

Heat energy = mass × specific heat capacity × change in temperature.
Heat energy = 4130 J, specific heat capacity of water = 4.18 J/g/C, the mass of water = 52 g, if final temperature is T
4130 = 52 × 4.18 ×(T-10)
4130 = 217.36 T - 2173.6
217.36 T = 6303.6
T = 29
Therefore the final temperature is 29 °C

Consider the balanced equation below.

What is the mole ratio of Fe3O4 to Fe?

1:3
1:4
3:1
4:3

Answers

Is the equation correctly balanced? Yes it is.

The mol ratio is the number in front of one chemical to the other.

There is a 3 in front of the Fe.
There is a 1 in front of the Fe3O4

Edit
What the original answer gave was the mole ratio of Fe to Fe3O4. It is actually the other way around. The answer should be 1:3 because it was asked as Fe3O4 to Fe.
The correct answer is A <<<<<<<< Correct Answer.

Answer:

1:3

Explanation:

Hope this helps :)

An increase in temperature can disturb the liquid-vapor equilibrium
True
False

Answers

The answer is True.

when the temperature changes, it affects the equilibrium constant and that makes the equilibrium change.
because when the temperature changes that make the vapor pressure changes and make the equilibrium shifts.

Which particles in an atom could demonstrate that opposite charges attract?

A.
a neutron and an electron
B.
two protons together
C.
a proton and a neutron
D.
a proton and an electron

Answers

D is true
protons are positively charged
and electrons have negative charge.
protons in the nucleus attract electrons around the nucleus

Which material needs extra energy to enable the movement of free electrons? A. Conductor B. Semiconductor C. Insulator D. Element

Answers

C. Insulator With some types of materials, such as metals, the outermost electrons in the atoms are so loosely bound that they chaotically move in the space between the atoms of that material by nothing more than the influence of room-temperature heat energy. Because these virtually unbound electrons are free to leave their ...

If the molecular mass of tetraoxosulphate(VI) acid is 98, calculate it's vapour density.

Answers

When the vapor density defined as the mass of a certain volume of the substance divided by the mass of the same volume of hydrogen.
So Vapor density = molar mass of gas/molar gas of hydrogen
when we have the molar mass of the tetraoxosulphate (VI) = 98 & and we have the molar mass of Hydrogen = 2 so by substitution.

∴ Vapor density = 98 / 2 = 49

What is the [H+] of a solution with a pH of 6.6? Use a scientific calculator.

2.5 × 107

5.0 × 105

8.3 × 106

7.7 × 105

Answers

pH is a logarithmic scale as seen below:

pH = -log([H+])

Please note the negative sign in front of the log function. As concentration of H+ ions increases, the pH will decrease. If pH = 6.6, then:

pH = 6.6 = -log([H+])

You can multiple both sides by -1. Then, to get rid of the log function, set both sides of the equation equal to 10^ as shown below:

10^(-6.6) = [H+]

10^(-6.6) = 2.511x10^-7,

Considering the definition of pH, the concentration [H⁺] is 2.5 ×10⁻⁷ M.

Definition of pH

pH is the Hydrogen Potential. It is a measure of acidity or alkalinity that indicates the amount of hydrogen ions present in a solution or substance.

Mathematically, pH is calculated as the negative base 10 logarithm of the activity of hydrogen ions:

pH= - log [H⁺]

The numerical scale that measures the pH of substances includes the numbers from 0 to 14. The pH value 7 corresponds to neutral substances. Acidic substances are those with a pH lower than 7, while basic substances have a pH higher than 7.

Concentration [H⁺] of the solution

In this case, being pH= 6.6, you can replace this value in the definition of pH:

6.6 = -log [H⁺]

Solving:

[H⁺]= 10⁻⁶ ⁶ M

[H⁺]= 2.5 ×10⁻⁷ M

Finally, the concentration [H⁺] is 2.5 ×10⁻⁷ M.

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explain in terms of collision theory, how and why a reactions's rate changes as the reaction progresses

Answers

The rate of a chemical reaction is the speed with which the reactants are converted to products while the collision theory is used to explain why chemical reactions occur at different rates. It states that for a reaction to proceed, the reactants particles must collide and the more successful collisions there are per unit of time, the faster the reaction will be. As the reaction progresses, the products builds up in the system and the chance that the reactants will collide amongst themselves reduces as the product molecules begin to build up while the molecules of the reactants are deprived. therefore the rate of reaction changes.

Explanation:

According to collision theory, more is the number of collisions occurring between the combining substances more will be the rate of reaction.

Factors that affect rate of a reaction are as follows.

Temperature - Increase in temperature leads to increase in kinetic energy of particles due to which there occurs more number of collisions between them. As a result, rate of reaction will increase leading to increase in rapid formation of products.

Surface area - More is the surface area of a substance, less will be the interaction between solute and solvent particles. And, when there occurs decrease in surface area then interaction between solute and solvent particles increases. This leads to increase in rate of reaction.

Concentration of reactants - More is the concentration of reactant molecules more is the availability of molecule interaction. As a result, more number of collisions occur leading to increase in rate of a reaction.

Why is a spectrum for a given element unique for that element?

A. No element has more than two electrons in the first shell.
B. Each element has a unique arrangement of electrons.
C. Atoms of different elements have different masses.
D. Atomic nuclei contain no electrons.

Answers

Answer: B. Each element has a unique arrangement of electrons.

Explanation:

1) Since the number of electrons in neutral atoms is equal to the number of protons, and the number of protons are unique for each element, each element has a unique arrangement of electrons.

2) The spectrum of an element is the radiation emitted for the atoms of the element when the valence electrons are emitted and that depended on the electrons configuration.

Answer:

Explanation:

What was the total demand by all counties for water from the Sweetbriar River Basin in 1970? What is it projected to be in 2020?

Answers

Hey! 559 million kiloliters in 1970 and 1,476 million kiloliters in 2020.

559 million kiloliters in 1970 and 1,476 million kiloliters in 2020.

Hope this helpsssssssssssss!!!

Which changes are evidence of a chemical reaction? a beaker of water becomes hot to the touch upon?

Answers

Any change in temperature or new substance formed is evidence of a chemical reaction, this includes heat, gas or crystallization.

What is the percent by mass of nahco3 in a solution containing 10 g of nahco3 dissolved in 400 ml of h2o?

Answers

Answer is: the percent by mass of NaHCO₃ is 2,43%.
m(NaHCO₃) = 10 g.
V(H₂O) = 400 ml.
d(H₂O) = 1 g/ml.
m(H₂O) = V(H₂O) · d(H₂O).
m(H₂O) = 400 ml · 1 g/ml.
m(H₂O) = 400 g.
m(solution) = m(H₂O) + m(NaHCO₃).
m(solution) = 400 g + 10 g.
m(solution) = 410 g.
ω(NaHCO₃) = 10 g ÷ 410 g · 100%.
ω(NaHCO₃) = 2,43 %

Writing net ionic equation:

A solution of diamminesilver(I) chloride is treated with dilute nitric acid.

So what I did was..

[Ag(NH3)2]Cl(aq) + HNO3(aq) -> __________

The answer is
[Ag(NH3)2]+ + Cl- + 2H+ -> AgCl + 2NH4+

I would guess that the oxidation #s for diamminesilver(I) chloride would be:
Ag +1
NH3 0
Cl -1

Can someone please show me the steps in between?
I don't really know how to break the [Ag(NH3)2]Cl apart and predict/form the products.

Answers

The net ionic equation is:
[Ag(NH₃)₂]⁺ + Cl⁻ + 2H⁺ → AgCl + 2 NH₄⁺
As i can see that you balanced it correctly also you calculated the charge of each part correctly but you need to know more details about complexes:
complex is formed between Metal cations as Ag⁺, Cu⁺², Fe⁺³ and ligands which may be neutral as NH₃ or H₂O or negatively charged as CN⁻ or halide
The number of ligands attached to metal is the co-ordination number, in our case Ag has coordination number = 2 so it must attached to two ligands which are NH₃ here (neutral ligands)
- The charge of complex is the sum of metal and ligand charges +1 for Ag and 0 for NH₃ so the overall charge of complex is +1
so the complex must be attracted to negatively charged anion which is Cl⁻ here and both react with H⁺ from acid (HNO₃) to give AgCl precipitate and NH₄⁺ ion.

In this net ionic equation, we can see that the silver ion ([Ag(NH3)2]+) reacts with the chloride ion (Cl-) to form silver chloride (AgCl). Additionally, the two hydrogen ions (2H+) react with the two ammonia molecules (2NH3) to form two ammonium ions (2NH4+).

To write the net ionic equation for the reaction between diamminesilver(I) chloride and dilute nitric acid, let's break down the steps:

1. Start with the balanced molecular equation: [Ag(NH3)2]Cl(aq) + HNO3(aq) ->

2. Identify the ions present in the reactants and determine if any of them are spectator ions. In this case, we have [Ag(NH3)2]Cl and HNO3.

The [Ag(NH3)2]Cl dissociates into two ions: [Ag(NH3)2]+ and Cl-. However, HNO3 is a strong acid and fully dissociates into H+ and NO3- ions.

Therefore, the spectator ions in this reaction are Cl- and NO3-.

3. Write the net ionic equation by removing the spectator ions:

[Ag(NH3)2]+ + 2H+ -> AgCl + 2NH4+

In this net ionic equation, we can see that the silver ion ([Ag(NH3)2]+) reacts with the chloride ion (Cl-) to form silver chloride (AgCl). Additionally, the two hydrogen ions (2H+) react with the two ammonia molecules (2NH3) to form two ammonium ions (2NH4+).

To determine the oxidation numbers, you are correct in assigning +1 to silver (Ag) and -1 to chloride (Cl). However, the oxidation number of ammonia (NH3) is 0 because hydrogen (H) has an oxidation number of +1 and there are no other elements to balance out the charge.

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What type of stress is caused by two plates sliding past one another?

Answers

That stress is compression. It forms Reverse Faults.

1. A 10 g gold coin is heated from 25°C to 50°C (CAu is 0.13 J/g-°C). What is the H?
(Points : 1)
+32.5 J

25 J

+25 J

- 32.5 J

I know it is 32.5 J but is it negative or positive... I say it is negative, but I could be wrong...,

Answers

The correct answer is + 32.5 J because heat is absorbed here by copper not evolved also after calculation we will find the H value is positive, lets calculate it:
H = m C Δt where:
m = 10 g
C = 0.13 J/g.°C
Δ t = final temperature - initial temperature = 50 - 25 = + 25 °C
so H = 10 x 0.13 x (+25) = + 32.5 J

Answer:

+32.5 J

Explanation:

Will a precipitate form when 65.0 mL of 0.0200 M Ag2SO4 is mixed with 50.0 mL of 0.00500 M K2CO3? (Ksp for silver carbonate is 8.00 x 10–12).

Answers

We have to calculate the Ksp of Ag2CO3 value to compare it with the given value to know if Ag2CO3 will be precipitate or not.
when Ksp = [Ag+]^2[CO3-]
when 2 mol of Ag+ gives 1 mol Ag2SO4
and no.of moles of Ag2SO4 = volume * molarity
= 65 ml/1000 * 0.02M = 0.0013 moles
∴ no.of moles of Ag+ = 2 x 0.0013 = 0.0026 moles
and when 1 mol of CO3- gives 1 mol K2CO3
and no.of moles of K2CO3 = volume * molarity
= 50 ml/1000 * 0.005 M = 0.00025 moles
∴no of moles of CO3- = 0.00025 * 1 = 0.00025 moles
∴Ksp = (0.0026)^2 * (0.00025)
= 1.69x10^-9
by comparing this value with the given value
∴ Ag2CO3 would be precipitated.

Yes, the precipitate of silver carbonate will form.

To determine if a precipitate will form when 65.0 mL of 0.0200 M Ag2SO4 is mixed with 50.0 mL of 0.00500 M K2CO3, we need to compare the ion product (Qsp) with the solubility product constant (Ksp) for silver carbonate (Ag2CO3).

First, let's calculate the concentrations of ions after mixing the solutions:

For Ag2SO4:

- Initial moles of Ag2SO4 = 0.0200 M * 0.0650 L = 0.00130 moles

- Moles of Ag+ ions = 2 * 0.00130 moles = 0.00260 moles

- Concentration of Ag+ ions = 0.00260 moles / (0.0650 L + 0.0500 L) = 0.0200 M

For K2CO3:

- Initial moles of K2CO3 = 0.00500 M * 0.0500 L = 0.000250 moles

- Moles of CO3^2- ions = 0.000250 moles

- Concentration of CO3^2- ions = 0.000250 moles / (0.0650 L + 0.0500 L) = 0.00192 M

Now, to find out if a precipitate will form, we calculate the ion product, Qsp, for silver carbonate:

Qsp = [tex][Ag+]^2 * [CO3^2-][/tex]

Qsp = [tex](0.0200)^2 * (0.00192)[/tex]

Qsp = 7.68 x 10^-6

Compare Qsp with the Ksp of silver carbonate (Ag2CO3):

Ksp = 8.00 x 10^-12

Since Qsp (7.68 x 10^-6) is greater than Ksp (8.00 x 10^-12), the ion product exceeds the solubility product constant. According to the principles of solubility and precipitation, when Qsp > Ksp, a precipitate of silver carbonate (Ag2CO3) will form.

The precipitate of silver carbonate (Ag2CO3) will form when 65.0 mL of 0.0200 M Ag2SO4 is mixed with 50.0 mL of 0.00500 M K2CO3.

How do most vertebrates reproduce—sexually or asexually? What are gametes? How is an embryo produced?

I NEED THE ANSWER QUICK

Answers

1) Sexually
2) A mature haploid male germ cell that is able to unite with another of the opposite sex in sexual reproduction to form a zygote.
3) In a placental mammal, an ovum Is fertilized in a fallopian tube through which it travels into the uterus.

How much heat is absorbed by 15.5 g of water when its temperature is increased from 20.0°C to 50.0°C? The specific heat of water is 4.184 J/(g°C).,

Answers

q = m . C . Δ T
q : Heat absorbed
m : mass of the sample
C : The specific heat of the substance.
Δ T : The change in temperature (Final T - initial T)
So:
q = 15.5 x 4.18 x (50 - 25) = 1619.75 J

Answer : The heat absorbed by the water is 19.4 kJ

Explanation :

Formula used :

[tex]Q=m\times c\times \Delta T[/tex]

or,

[tex]Q=m\times c\times (T_2-T_1)[/tex]

where,

Q = heat absorbed = ?

m = mass of water = 15.5 g

c = specific heat of water = [tex]4.184J/g^oC[/tex]

[tex]T_1[/tex] = initial temperature = [tex]20.0^oC[/tex]

[tex]T_2[/tex] = final temperature = [tex]50.0^oC[/tex]

Now put all the given value in the above formula, we get:

[tex]Q=15.5g\times 4.184J/g^oC\times (50.0-20.0)^oC[/tex]

[tex]Q=1945.56J=1.94\times 10^3J=1.94kJ[/tex]

Therefore, the heat absorbed by the water is 19.4 kJ

I am studying for ACS and have trouble understanding how to rank molecules in decreasing or increasing solubility in water...

I know the rules of which molecules are insoluable...But how do you rank them in which is least or most soluble.

The question in the acs included
In which set are the substances arranged in order of decreasing solubility in water?

(A) Al(OH)3 > Mg(OH)2 > NaOH

(B) BaSO4 > CaSO4 > MgSO4

(C) CaCO3 > NaHCO3 > Na2CO3

(D) AgCl > AgBr > AgI

Answers

The set AgCl > AgBr > AgI are arranged in order of decreasing solubility in water. In order to get the solubility, it is measured in grams per 100 g of solvent – g/100 g – or number of moles per 1 L of the solution.

Describe how to make 1.50 liters of a 0.01 M ammonium chloride solution

Answers

Hello!

To know how many grams of Ammonium Chloride ( a solid) you'll need to make 1.50 L of a 0,01 M solution you'll need to use the definition of molar concentration (M=mol/L) in the following way:

[tex]1,50 L* \frac{0,01 mol NH_4Cl}{1L}* \frac{53,489gNH_4Cl}{1 mol NH_4Cl}=0,8023 g NH_4Cl [/tex]

So, you'll need to dissolve 0,8023 g of Ammonium Chloride in 1,5 L of water to make this solution.

Have a nice day!

Write the dissociation reaction and the corresponding ka equilibrium expression for hcn in water

Answers

Chemical reaction: HCN(aq) + H₂O(l) ⇄ CN⁻(aq) + H₃O⁺(aq).
Ka = [CN⁻] · [H₃O⁺] / [HCN].
[HCN] is equilibrium concentration of hydrocyanic acid.
hydrocyanic acid is weakly acidic and partially ionizes in water solution and give the cyanide anion (CN⁻).
The salts of the cyanide anion are called cyanides.

The dissociation reaction of HCN in water is HCN(aq) ↔ H⁺(aq) + CN⁻(aq).

Here is the balanced dissociation reaction for hydrocyanic acid (HCN) in water:

HCN(aq) ↔ H⁺(aq) + CN⁻(aq)

The equilibrium expression for the acid dissociation constant (Ka) for this reaction is given by:

Ka = [H⁺][CN⁻] / [HCN]

This expression shows that the equilibrium constant (Ka) for HCN dissociation is determined by the concentrations of the hydrogen ions (H⁺), the cyanide ions (CN⁻), and the undissociated hydrocyanic acid (HCN) in the solution.

What is the maximum amount of kcl that can dissolve in 200 g of water? (the solubility of kcl is 34 g / 100 g h 2o at 20°c.) 6800 g 34 g 68 g 17 g?

Answers

the answer is 68 g
hope this helps!!

MnO2+ 4HCL--->MnCl2+Cl2+2H2O:
if 0.86 mole of MnO2 and 48.2g of HCL react, which reagent will be used up first? How many grams of Cl2 will be produced?
The answers are HCL, and 23.4g.
How would I get these answers?,

Answers

Given
Mole of MnO2 is 0.86
mass of HCl is 48.2 g
Molarity of HCl is 36.5 g/mole,
Molarity of Cl2 is 71 g/mole
mole of HCl = mass of HCl/Molarity of HCl = 48.2/36.5 = 1.32 mole
From the above chemical equation: 4 moles of HCl reacts with 1 mole of
MnO2 . Thus,
0.86 mole of MnO2 require 4·0.86 = 3.44 moles of HCl to react.
but only 1.32 mole are present (as calculated earlier).
This implies HCl is in lesser amount compared with MnO2 and
Hence, HCl will be used up first.

Now, From the above given chemical equation:
1 mole of Cl2 is produced when 4 moles of HCl react. So,
4 mole * 36.5 g/mole HCl –---> 1 mole * ·71g/mole Cl2
48.2 g HCl –----> mass of Cl2
mass of Cl2 = 71 * 48.2 / (4 *36.5) = 23.4 g

Use ksp=4.87×10−17 to calculate the solubility of iron (ii) hydroxide in pure water in grams per 100.0 ml of solution. g

Answers

The ksp = 4.87 × 10^-17
Therefore; 4.87 ×10^-17 = [Fe2+][OH-]^2 = (X)(2X)^2 = 4X^3
Hence;
4x^3 =4.87 × 10^-17
x = 2.30 × 10^-6 M
therefore the molarity is 2.3 ×10^-6 M
Thus;
The mass of Fe(OH)2 in 100 ml of water, will be given by:
= 2.30 × 10^-6 mol/L = 2.3 ×× 10^-5 mole/100 mL
= 89.86 g/mol × 2.3 × 10^-6 × 0.100 = 2.07 × 10^-5 g
= 2.07 × 10^-5 g
= 2.07 × 10^-5 g

The solubility product constant is the equilibrium constant of a substance in an aqueous solution. The solubility of iron (ii) hydroxide is [tex]2.07 \times 10^{-5}\;\rm g.[/tex]

What is Ksp?

Ksp is the solubility product constant, which is given as the product of the concentration of cation and anion dissociated in the aqueous solution.

Given,

Ksp = [tex]4.87 \times 10^{-17}[/tex]

Thus,

[tex]\begin{aligned}&= \rm [Fe^{2+}][OH^{-}]^{2} \\\\&= \rm (X)(2X)^{2} \\\\&= \rm 4X^{3}\end{aligned}[/tex]

The molarity can be calculated as:

[tex]\begin{aligned}\rm 4X^{3} =4.87 \times 10^{-17}\\\\\rm X= 2.30 \times 10^{-6}\;\rm M\end{aligned}[/tex]

The mass of iron (ii) hydroxide in 100 mL of water is calculated as:

[tex]\begin{aligned}2.30 \times 10^{-6} \;\rm mol/L &= 2.3 \times 10^{-5}\;\rm mole/100 mL\\\\&= 2.07 \times 10^{-5} \;\rm g\end{aligned}[/tex]

Therefore, the solubility of iron (ii) hydroxide is [tex]2.07 \times 10^{-5}\;\rm g.[/tex]

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When the concentration of solute in a solid solution exceeds its solubility limit, a new solid solution or phase forms that has a composition distinctly different than the original solid solution?

Answers

Answer is: true.
Solid solution is a solid state solution of one or more solutes in a solvent or mixture of two crystalline solids that coexist as crystal lattice. Examples of solid solutions are metal alloys (mixture of metals or a mixture of a metal and another element), semiconductors and moist solids.

Final answer:

When solute concentration exceeds the solubility limit in a solution, a supersaturated solution is created, which subsequently initiates precipitation in order to achieve equilibrium. This results in the formation of a new solid phase that is distinct from the original solution.

Explanation:

The concept you're referring to involves solubility and the formation of new phases when the concentration of a solute in a solution exceeds its solubility limit. Solubility refers to the maximum amount of solute that can be dissolved in a solvent at a given temperature. When this limit is surpassed, a supersaturated solution is formed. This is not a stable state, and it often results in precipitation. This is the process where a solute becomes insoluble and forms a new, separate solid phase.

For instance, if we take a saturated solution of silver chloride (AgCl), and add more AgCl to it, the excess will precipitate out of solution. Here, the concentration of AgCl has exceeded its solubility, leading to the formation of a new solid phase that is distinct from the original solution.

The exact composition and form of the new solid phase can depend on a variety of factors, including the type of solvent and solute involved, temperature, and pressure.

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Which of the following statements is true? Oceanic crust is thicker than continental crust. Both oceanic and continental crust is made of granite. According to continental drift, the continents were once connected. The crust is thickest layer of the Earth.

Answers

Answer: According to continental drift, the continents were once connected

Explanation:

According to continental drift, the continents were once connected this statement is true.

What is true about continental drift ?

Pangaea split into fragments over the course of millions of years, and each piece migrated away from the other. These components gradually came together to form the continent that is known today.

Today's scientists believe that a number of supercontinents, including Pangaea, have developed and fragmented during the Earth's history.

The theory of continental drift holds that Earth's continents have shifted relative to one another during geologic time, giving the impression that they have "drifted" over the ocean floor.

During one or more geologic periods, continents moved horizontally at a huge scale in relation to one another and to the ocean basins. This idea served as a crucial building block for the theory of plate tectonics, which includes it.

Thus, option C is correct.

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EASY AND IMPORTANT What do you think is the most challenging aspect of using a microscope? What are the advantages and disadvantages of using a microscope to look at trace evidence?

Answers

The most challenging aspect is focusing the microscope.

Microscopes enables us to view objects that cannot be seen with the human eye alone.

A disadvantage is that not all types of evidence can be clearly seen.

What is a microscope?

A microscope is an instrument that is used to view tiny and microscopic objects.

In using a microscope, the most challenging aspect is focusing the microscope.

An advantage of microscopes is that they enable us to view objects that cannot be seen with the human eye alone.

A disadvantage though is that not all evidence can be clearly seen.

In conclusion, a microscope helps one to view trace and tiny objects.

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what is the urinary system and what does it do

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The urinary system filters and gets rid of waste from the body.

hello my young fellow friend The urinary system filters and gets rid of waste from the body is the anwser hope I helped:)

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