g a student chose 1m acetic acid as the buffer solution to inhibit the ph change of an aqueous solution. if a strong acid is added to the solution, would this buffer solution inhibit the change of ph to the aqueous solution? explain.

The net ionic equation to show why the solubility of Co(OH)2(s) increases in the presence of a strong acid is as follows: Co(OH)2(s) + 4H+(aq) → Co2+(aq) + 4H2O(l).

In this reaction, Co(OH)2 is a sparingly soluble salt that undergoes dissolution in the presence of a strong acid. The acid, represented by 4H+, protonates the hydroxide ions (OH-) from Co(OH)2, forming water (H2O) and Co2+ ions. The presence of excess H+ ions shifts the equilibrium towards the formation of Co2+ ions, increasing the solubility of Co(OH)2. To calculate the equilibrium constant (K) for this reaction, we can use the expression: K = [Co2+]/[H+]^4, where [Co2+] represents the concentration of Co2+ ions and [H+] represents the concentration of H+ ions. The values of [Co2+] and [H+] can be determined experimentally, and plugging them into the equation will give the equilibrium constant (K) for the reaction.

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The molarity of a dilute solution which is prepared by transferring 40.00ml of a 0.04433 M stock solution to a 750ml volumetric flask is equals to the 0.0183 M.

A solution can be prepared by dilution of an existing solution, in which a solute species of interest is present in a relatively high molarity. We have a stock solution and the solute molarity indicates a number of solute moles dissolved per liter volume of solution. A portion of the stock solution is taken and to it is added a volume of pure liquid solvent. The solute moles will be unchanged, but the molarity will decrease in the diluted version, due to a larger solution volume denominator in the molarity calculation. Now

Initial volume of the substance, V1 = 40.00 ml

The molarity of substance, M1 = 0.04433 M

Final volume of substance, V2 = 750 ml

Number of moles = Volume/ molarity

number of moles = (40 mL) x (1 L / 1000

mL) x (0.3433 moles / L)

number of moles = 0.013732 moles

Using molarity equation, M₁V₁ = M₂V₂

Substituting the known values in the

equation, (0.3433 M)(40 mL) = M₂(750 mL)

M₂ = 0.0183 M

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Answer: To find the partial pressure of the dry gas, we need to subtract the vapor pressure of water from the total pressure. The vapor pressure of water at 300K is 3.6 kPa, so the partial pressure of the dry gas is:

50 kPa - 3.6 kPa = 46.4 kPa

Therefore, the partial pressure of the dry gas is 46.4 kPa.

Explanation:

Answer:

a

Explanation:

Mixture is a combination of two or more elements and sodium is an element with a chemical symbol Na and a charge of +1 and chloride too is an element with a chemical symbol Cl and a charge of -1 so when these two elements are combine it form a chemical solution called Sodium chloride

Answer:

D

Explanation:

chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products.

Baicically a chemical reaction  is one that new substance. No energy or anything is newly made, that would violate the law of conservation of mass , but rather a new substance.

Answer: 287.46 billion km

Explanation: calculated it myself. nah but thats the answer

Answer:

Lipids are organic molecules characterized by large areas that contain many nonpolar carbon-carbon and carbon-hydrogen bonds, making them hydrophobic.

Answer:

c

Explanation:

Answer: equivalent amounts of sodium hydroxide and a solution of sodium hydrogen carbonate

Explanation:

Fertilizer from suburban lawns and wastewater from a water treatment plant.

What is fertilizer?

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Answer:

Of the options below, which is an example of a point source of water pollution?

Litter and pet waste are left on a city’s beaches.

Landscapers' fertilizers and pesticides are sprayed on the lawns of a neighborhood.

Acidic runoff from abandoned mines contains lead and mercury that saturate the soil.

A factory’s wastewater pipe opens directly over a nearby river.

CONCEPT

Explanation:

Correct Answer:

A factory’s wastewater pipe opens directly over a nearby river.

Answer:

He was the first scientist to observe and describe bacteria and protozoa by looking at a drop of water from a pound under a microscope. He also was the one to build the first compound microscope.

Hope this helps :)

As the first blank is already filled, this first property is called the Cohesive property of water, which is what makes it possible to clump together into drops, due to their intermolecular forces.

The second blank is talking about density, and as we can see in our daily lives, ice is less dense than water, therefore in this blank liquid water will be MORE dense than ice, this is due to the hydrogen bonds and the orientation in which they are causing the molecules to push farther apart.

As we have discussed in the second blank, this 3rd blank is ICE FLOATS

Answer: Corrosion is caused by a completely expected chemical reaction due to hydrogen gas building pressure and ultimately needing to escape from inside a battery.

Use white vinegar or lemon juice: Most household batteries contain bases, so acids will neutralize their discharge. Rubbing alcohol: Isopropyl alcohol is a safe and effective way to clean electronics without leaving behind moisture and other residue.

Hope this helps with your questions! :D

An arrhenius base is define as produces h ions in aqueous solution

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A solution that contains 7.8% W/V ethanol is equivalent to 0.078g/mL. Details about weights per volume can be found below.

Weights per volume is a unit for measuring density of a substance. It can be converted to g/mL using the following expression:

w/v% = g/100mL

According to this question, a solution contains 7.8% W/V ethanol. The equivalent of this in g/mL is as follows:

7.8% W/V = 7.8g/100mL

= 0.078g/mL

Therefore, a solution that contains 7.8% W/V ethanol is equivalent to 0.078g/mL.

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Answer:

is it fall and winter................

Explanation:

Answer:

Probably B?

Explanation:

I don't have one...

Hope it helps I guess..

Answer: i think is B

Explanation: HATE ME IF IM WRONG

This formula is wrong because a substituent can't attach with 1st carbon in chain or the here the no. of carbon in carbon chain is 8

Answer:

2 atm

Explanation:

Different symbols have different meanings in chemistry. For example, the symbol Δ = adding energy to the reactants.

To identify whether the reactants combine with a specific pressure, we have to use the symbol atm, in such a case 2 atm.

Hope that helps!

The methods of simulating general aerofoil shape include experimental techniques such as wind tunnel testing, and numerical techniques such as Computational Fluid Dynamics (CFD) simulations.

Simulating general aerofoil shapes involves both experimental and numerical techniques. Experimental methods include wind tunnel testing, where scaled-down models of the aerofoil are tested in controlled airflow to measure aerodynamic forces. Numerical techniques, such as Computational Fluid Dynamics (CFD) simulations, involve solving fluid flow equations on a computer to analyze flow characteristics and aerodynamic forces. CFD simulations are cost-effective, flexible, and can handle complex aerofoil shapes, but require accurate modeling and validation. A combination of experimental and numerical methods enhances our understanding of aerofoil aerodynamics and helps optimize their design.

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Answer:

Asexual reproduction is faster than sexual reproduction

Answer:

Asexual reproduction is faster than sexual reproduction which is d

Explanation:

Answer: Finding the [H3O+] and pH of Strong and Weak Acid Solutions The larger the Ka, the stronger the acid and the higher the H+ concentration at equilibrium. hydronium ion, H3O+, 1.0, 0.00, H2O, 1.0×10−14, 14.00.

Explanation:The hydrogen ion in aqueous solution is no more than a proton, a bare ... the interaction between H+ and H2O .

There is no answer, science is about empirical knowledge, technology is the sum of techniques, skills, methods, and processes. I do not believe that you will find a answer for that.

The mass of the solid sample is 2.539 g. Suppose you are measuring the mass of a solid sample on a balance using a weigh boat. you record the data in a table. mass of weigh boat 3.081 g mass of weigh boat and sample 5.620 g

To find the mass of the solid sample, you need to subtract the mass of the weigh boat from the combined mass of the weigh boat and the sample.
Step 1: Write down the given values:
Mass of weigh boat = 3.081 g
Mass of weigh boat and sample = 5.620 g
Step 2: Subtract the mass of the weigh boat from the combined mass:
Mass of solid sample = Mass of weigh boat and sample - Mass of weigh boat
Mass of solid sample = 5.620 g - 3.081 g
Step 3: Calculate the mass of the solid sample:
Mass of solid sample = 2.539 g
The mass of the solid sample is 2.539 g.

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The balanced chemical equation is:

0.5C7H16 + O2 → 0.5CO2 + H2O

For balancing the chemical equation C7H16 + O2 → CO2 + H2O, we can use linear algebraic techniques. We need to determine the coefficients that balance the number of atoms on both sides of the equation.

Let's denote the coefficients for C7H16, O2, CO2, and H2O as a, b, c, and d, respectively.

The balanced chemical equation can be written as:

aC7H16 + bO2 → cCO2 + dH2O

To balance the carbon (C) atoms, we have:

7a = c (Equation 1)

To balance the hydrogen (H) atoms, we have:

16a = 2d (Equation 2)

To balance the oxygen (O) atoms, we have:

2b = 2c + d (Equation 3)

We have three equations (Equations 1, 2, and 3) and four unknowns (a, b, c, d). To solve this system of equations, we can write it in matrix form and find the solution using linear algebraic techniques.

The augmented matrix for the system of equations is:

[ 7 0 -1 0 | 0 ]

[ 0 0 0 -2 | 0 ]

[ 0 -2 2 -1 | 0 ]

By performing row operations to row-reduce the augmented matrix, we can obtain the solution:

[ 1 0 -0.5 0 ]

[ 0 1 -1 -0.5 ]

[ 0 0 0 0 ]

The solution to the system of equations is:

a = 0.5

b = 1

c = 0.5

d = 1

Putting the values of a,b,c, and d we get the balanced chemical equation as:

0.5C7H16 + O2 → 0.5CO2 + H2O

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Answer:

D

Explanation:

More liquid water molecules will change to water vapor until a

new equilibrium is reached.

Answer:

Equilibrium and Stability Quick Check

1. The rate of the forward reaction equals the rate of the reverse reaction.

2. More LIQUID WATER molecules will change to WATER VAPOR until a new equilibrium is reached.

3. By adding WATER (H2O).

4. The additional BROMINE IONS cause the equilibrium to shift to the REACTANTS.

5. Removing WATER (H2O).

Explanation:

100% if you put these answers.

Answer:

22.4

Explanation:

Nucleophilic assault happens as the initial step-under fundamental circumstances , Protonation of the carbonyl oxygen is the initial step-under acidic circumstances

When an electron-rich species (the nucleophile) "attacks" an electron-deficient species (the electrophile, typically a carbocation), a new bond is formed between the nucleophile and the carbocation. This is known as a nucleophilic attack.

A reaction known as an electrophilic addition occurs when an electrophile first attacks a substrate before adding one or more relatively simple molecules across a multiple bond. The reading demonstrates a very in-depth method for the hydrogen halide addition to propene.

Incomplete question;

Aldehydes/ketones form hydrates when reacted with H2O. Match the steps of the reaction to the correct description in each case

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