Which of the following aqueous solutions will have a pH that is significantly different from the rest?


0.1 M H 2SO 4


0.1 M HNO 3


0.1 M HC 2H 3O 2


0.1 M HCl

Which Of The Following Aqueous Solutions Will Have A PH That Is Significantly Different From The Rest?0.1

Answers

Answer 1

Among the given aqueous solutions, the solution with a significantly different pH from the rest is 0.1 M HC₂H₃O₂ (acetic acid).Option C

H₂SO₄ (sulfuric acid), HNO₃ (nitric acid), and HCl (hydrochloric acid) are strong acids that dissociate completely in water. They produce a high concentration of H₃O⁺ ions, resulting in a low pH. Acetic acid, on the other hand, is a weak acid that only partially dissociates in water. It produces a smaller concentration of H₃O⁺ ions, resulting in a higher pH compared to the strong acids.

When a strong acid like HCl, H₂SO₄, or HNO₃ is dissolved in water, it completely dissociates to release H₃O⁺ ions. The resulting solution will have a very low pH, usually close to 0. However, acetic acid (HC₂H₃O₂) only partially dissociates, and the concentration of H₃O⁺ ions is lower. As a weak acid, it has a higher pH compared to strong acids, typically around 2.4.

In summary, among the given options, the aqueous solution of 0.1 M HC₂H₃O₂ (acetic acid) will have a significantly different pH from the rest, with a higher pH value due to its weak acid nature.

Option C

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Related Questions

If two reactant particles collide, but bounce away unaffected, this is called a(n).

a)ineffective collision

b)effective collision

C)nonspecific collision

d)rearrangement of atoms

Answers

If two reactant particles collide, but bounce away unaffected, this is called an ineffective collision.

The Collision theory

According to the collsion theory, the reaction between particles occur as a result of the collsion of particles that have energy that is in excess of the activation energy.

Now if two particles, do not posses the activation energy, they collide and rebound from each other. This is called an ineffective collision.

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The electrolysis of water forms h2 and o2. 2h2o right arrow. 2h2 o2 what is the percent yield of o2 if 10.2 g of o2 is produced from the decomposition of 17.0 g of h2o? use percent yield equals startfraction actual yield over theoretical yield endfraction times 100.. 15.1% 33.8% 60.1% 67.6%

Answers

The percent yield of oxygen if 10.2 g of O₂ is produced from the decomposition of 17.0 g of H₂O is 67.6%.

How do we calculate moles from mass?

Moles (n) of any substance can be calculated by using their mass as:

n = W/M, where

W = given mass

M = molar mass

Given chemical reaction is:

2H₂O → 2H₂ + O₂

Moles of 17g H₂O = 17g / 18.02 g/mol = 0.943 moles

From the stoichiometry of the reaction it is clear that,

2 moles of H₂O = produces 1 mole of O₂

0.943 moles of H₂O = produces 1/2×0.943=0.471 mole of O₂

Now mass of this 0.471 moles of O₂ = (0.472mol)(32g/mol) = 15.104 grams

Actual mass of oxygen = 10.2g (given)

Now on putting vales on the percent yield formula, we get

% yield = (10.2 / 15.104)×100% = 67.53% = 67.6%

Hence the required value of percent yield is 67.6%.

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Answer:67.6

Explanation:bc im just that good

Complete and balance the following half-reaction in acidic solution.

Answers

Answer: Heyo Kenji Here! Here's your answer- N2(g) → NH4+(aq)

Explanation: Hope this helps!

Have a nice day!
- Kenji ^^

What is the name of this hydrocarbon? a chain of 5 carbon atoms, with h above and below each c, and to the left and right of the chain. hexane heptane octane pentane

Answers

The name of the hydrocarbon having hydrogen atoms above and below each carbon atom and at the ends of carbon chain is pentane.

What are hydrocarbons?

Hydrocarbons are the compounds which are formed by the combination of hydrogen and carbon atoms.

In the question it is mention that in the compound 5 carbon atoms are present and there specifically not mention the bonds so that single bonds are present between all of them. And hydrogen atoms are attached to single carbon atoms to fulfill their valency.

Hence required hydrocarbon is pentane and its structure is attached below.

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What kind of system is the coffee cup calorimeter considered, and what does that mean in terms of energy transfer?.

Answers

Answer:

A coffee cup calorimeter is a constant-pressure calorimeter.

Explanation:

As such, the heat that is measured in such a device is equivalent to the change in enthalpy.

How many carbon atoms does one molecule of pyruvate contain?.

Answers

Hi!one molecule of pyruvate contains three carbon atoms.

Glycolysis produces two pyruvate molecule and there are three carbon atoms are present in each pyruvate molecule.

What is glycolysis ?

Glycolysis is the process in which glucose is broken down to produce energy. It produces two molecules of pyruvate, ATP, NADH and water. The process takes place in the cytoplasm of a cell and does not require oxygen. It occurs in both aerobic and anaerobic organisms.

There are two pyruvate molecules produced at the end of glycolysis for every molecule of glucose metabolized. Therefore, two of the six original carbons will have been eliminated as CO2 at the end of this step.

The main purpose of glycolysis is to provide pyruvate for the trichloroacetic acid (TCA) cycle, not to make adenosine 5′-triphosphate.

Thus, there are three carbon atoms are present in pyruvate compound.

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10 g of sodium hydrogen carbonate dissolved in 20 cm cubed water in a boiling tube .Lemon juice was added dropwise with shaking until there was no further change explain observation made in the boiling tube when the reaction was in progress​

Answers

Answer:

it says the answer bro

look

Explanation:

Compounds where a metalloid with a relatively high oxidation number bears a hydroxyl group are usually:

Answers

Compounds where a metalloid with a relatively high oxidation number bears a hydroxyl group are usually amphoteric and impossible to predict.

What is a metalloid?

A metalloid is an element whose properties lie at te boarder line between the properties of metals and nonmetals . This means that a metalloid can behave as an acid/base.

Hence, compounds where a metalloid with a relatively high oxidation number bears a hydroxyl group are usually amphoteric and impossible to predict.

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Particle theory states that particles are attracted to each other??

True or false

Answers

Answer:

true

Explanation:

Students often have no experience with the idea that some things (particles) can’t be divided. If sand is ground up into tiny pieces it is still sand. There seems no reason why the dividing can’t keep on going to smaller and smaller pieces. This is often described as a continuous view of matter.

Even when children are introduced to the idea of matter being made of particles, most consider there is still ‘stuff’ between the particles and that something like air fills the empty space. After all, when liquid is poured from a glass so that it is empty it still contains air.

These ideas are further explored in ‘Hannah’s Question,’ a classroom practice vignette.

Research: Loughran, Berry, Mulhall & Gunstone (2001), Novick & Nussbaum (1981)

Particles are often assumed to behave in the same way as the substances they make up. For example students can believe that particles themselves can swell, shrink and melt or that the particles in stone are harder than the particles in rubber. Many students consider that ice molecules melt to little droplets of water.

Scientific view

The properties of matter can best be explained using a model in which all materials are composed of tiny particles (atoms, molecules and ions).

There is empty space between particles and particles are constantly moving (their speed is changed by temperature). The particles in solids and liquids are quite close to each other, while those in gases are a very long way apart. (There is commonly an increase in volume of at least 1000 fold when substances move from solid or liquid to gas).

Changes of state involving solids, liquids and gases as well as a range of other phenomena can be explained by changes in arrangement and speed of the particles.

Which scenario would be classified as potential energy?
A car driving up a hill
A car sitting on top of a hill
The plane flying the skydiver to the jump mark

Answers

Answer:

a car sitting on top of a hill

Explanation:

if it's sitting it has no kinetic energy

Determine the gram-formula mass of the magnesium sulfate heptahydrate

Answers

Answer:

120.366 g/mol

Explanation:

MAGNESIUM SULPHATE HEPTAHYDRATE Magnesium sulfate is an inorganic salt containing magnesium, sulfur and oxygen, with the formula MgSO4. Molar mass: 120.366 g/mol

Answer:

sulfur and oxygen, with the formula MgSO4. Molar mass: 120.366 g/mol

Explanation:

Hi its me a another me lol

What property of a substance does the titration process identify?
Concentration
Density
pH value
Mass

Answers

Answer:

Explanation:

Concentration. Titration is a process in which a solution of unknown concentration is determined by using a solution of known concentration

Suppose you heat 4.24 g of S8 with 5.00 of Cl2, what would be the theoretical yield of S2Cl2? If the actual yield of S2Cl2 is 6.55g, what is the percent yield

S8 (l) + 4Cl2 (g) ------> 4S2Cl2 (l)

Answers

Answer:

Explanation:

Part 1: Theoretical yield

5.00 + 4.24 = 9.24 grams

Part 2: Percent yield

Percent yield = (actual yield)/(theoretical yield) * 100 = (6.55)/(9.24) * 100 = 70.9%

Please help me quickly and provide work, will mark brainliest

Answers

Answer:

4.7 Liters of NO2

Explanation:

mole weight of HNO3  (from periodic table) = ~~ 63 gm/mole

  12 grams of this is   12/63 = .19047 mole

From the equation, you should be able to see that 3 moles of NO2 produces 2 moles of HNO3

  so you need  3/2 * moles HNO3 = .2857 moles of NO2 needed

PV = nR T     n = moles   R = .082057 L-atm/(k-mole)    25 C = 298.15 K

1.6 (V) = .2857 (.082057)(298.15)

  solve for V = 4.37 liters of NO2

The solubility of a gas is 0.980 at a pressure of 116 kPa. What is the solubility of the gas if the pressure is decreased to 101 kPa, given that the temperature is held constant

Answers

The solubility of the gas when the pressure is decreased to 101 KPa at constant temperature is 0.853

Henry's law

This states that the solubility of a gas in liquids at constant temperature is proportional to its pressure. Mathematically, it can be expressed as

S₁ / P₁ = S₂ / P₂

Where

S₁ is the initial solubility P₁ is the initial pressure S₂ is the new solubility P₂ is the new pressure

How to determine the new solubility

From the question given above, the following data were obtained

Initial solubility (S₁) = 0.980Initial pressure (P₁) = 116 KPa New pressure (P₂) = 101 KPaNew solubility (S₂) =?

S₁ / P₁ = S₂ / P₂

0.98 / 116 = S₂ / 101

Cross multiply

116 × S₂ = 0.98 × 101

Divide both side by 116

S₂ = (0.98 × 101) / 116

S₂ = 0.853

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Please help me i dont understand this

Answers

Considering the Avogadro's Law, 1.52 moles are left in the container.

Avogadro's Law

Avogadro's Law is a gas law that establishes the relationship between the amount of gas and its volume when temperature and pressure are held constant.

This law states that the volume is directly proportional to the amount of gas: if the amount of gas increases, the volume will increase; while if the amount of gas decreases, the volume decreases.

Mathematically the law can be expressed as:

[tex]\frac{V}{n}=k[/tex]

Assuming that you have a certain amount of gas n1 that occupies a volume V1 and the amount of gas varies until a new value n2, then the volume will change to V2, and the following will be true:

[tex]\frac{V1}{n1}=\frac{V2}{n2}[/tex]

Amount of moles left in this case

In this case, you know:

V1= 65 Ln1= 2 molesV2= 49.4 Ln2= ?

Replacing in the Avogadro's Law:

[tex]\frac{65 L}{2 moles}=\frac{49.4 L}{n2}[/tex]

Solving:

[tex]n2x\frac{65 L}{2 moles}=49.4 L[/tex]

[tex]n2=\frac{49.4 L}{\frac{65 L}{2 moles}}[/tex]

n2= 1.52 moles

Finally, 1.52 moles are left in the container.

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A solution is created by measuring 3. 60 x 10-3 moles of NaOH and 5. 95 x 10-4 moles of HCl into a container and then water is added until the final volume is 1. 00 L. What is the pH of this solution? Please answer as quickly as possible

Answers

Answer: 11.478

Explanation:

M   =   MBVB- MAVA/VA + VB

      = number of moles of base - number of moles of acid/total volume

      = 3.6*10^-3 - 5.95*10^-4/1

      = 0.0036-0.000595   = 0.003005

[OH^-]   = M = 0.003005M

POH  = -log[OH^-]

         = -log0.003005

         = 2.522

PH   = 14 - POH

       = 14 - 2.522  

       = 11.478

Therefore, the pH of the solution is 11.478

Derek needs a tool that delivers 5.00 ml of a sodium hydroxide solution. which tool would be best for him to use? a beaker a pipette a graduated cylinder an erlenmeyer flask

Answers

Because 5.00 mL is a small amount, the best tool he could use is a pipette.

What is a pipette?

Pipette or sometimes spelled as pipet can be used to transport liquid samples. It is made out of glass or plastic and can is usually used to transfer measured volumes of liquid from one container to another.

Before the pipette was invented, scientists used to use straws and they would suck in the samples carefully.

Hence 5.00 mL is a small amount, the best tool he could use is a pipette.

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What is the pH of a solution that has a [OH-] of 5.08x10^-5 M

Answers

Answer:

The pH of a solution that has a [OH-] of 5.08x10^-5 M is 5

Explanation:

just took the test

onedg2020

How many moles of nitrogen gas are in 2.00 L of N2 gas at STP

Answers

The number of mole of nitrogen gas in the 16.8 L container is 0.75 mole

Data obtained from the question

Volume (V) = 16.8 L

Pressure (P) = STP = 1 atm

Temperature (T) = STP = 273 K

Gas constant (R) = 0.0821 atm.L/Kmol

Number of mole (n) =?

How to determine the number of mole

The number of mole of the nitrogen gas can be obtained by using the ideal gas equation as illustrated below:

PV = nRT

Divide both side by RT

n = PV / RT

n = (1 × 16.8) / (0.0821 × 273)

n = 0.75 mole

Thus, the number of mole of the gas present is 0.75 mole

7Mg(OH)2 how many elements are they?​

Answers

Answer:

3

Explanation:

magnesium

oxygen

hydrogen


What element goes in the middle of the Lewis structure?

Answers

Answer:

The atom that requires the largest number of electrons to complete its octet

Explanation:

hope this helps

3. What does the double-ended arrow indicate in
the following chemical equation?
CaCO3 = Ca2+ + CO32-

Answers

Answer:

⇌ means that the equation is reversible, The reactants can become products and vice versa

Explanation:

Answer:

See below ~

Explanation:

The reaction :

CaCO₃ ⇄ Ca²⁺ + CO₃²⁻

The double sided arrow represents that this is a reversible reaction.

Just as calcium carbonate can dissociate into calcium ion and carbonate ion, it can form calcium carbonate when calcium ion and carbonate ion are bonded together ionically.

How many liters of CO2 are produced when 32. 6 liters of propane gas, C3H3 reacts

with excess oxygen gas at STP?


C3Hg + 502 + 4H2O + 3CO2

Answers

Answer: Propane is c3h8 and oxygen gas is O2

Explanation: make sure equation is balanced and There are 3 carbons in the reactants, and 3 carbons in the products also There are 8 hydrogens in the reactants and 8 hydrogens in the products even though There are 10 oxygens in the reactants and 10 oxygens in the product its already balanced so therefore you then need to  convert the amount of moles of oxygen to the number of moles of propane to get your answer

What is the naming process of alkanes, alkenes, and alkynes

Answers

Answer: Heyo Kenji Here! Here's your answer- Higher alkenes and alkynes are named by counting the number of carbons in the longest continuous chain that includes the double or triple bond and appending an -ene (alkene) or -yne (alkyne) suffix to the stem name of the unbranched alkane having that number of carbons.

Explanation: Hope this helps!

Have a nice day!

- Kenji ^^

Answer:

Alkene and alkyne compounds are named by identifying the longest carbon chain that contains both carbons of the double or triple bond.

Explanation:

Within a period, as atomic number increases, electrical conductivity of each element in the solid state generally

1) decreases
2) increases
3) remains the same

Answers

Answer:

decreases

Explanation:

Atomic size gradually decreases from left to right across a period of elements. This is because, within a period or family of elements, all electrons are added to the same shell.

An unknown substance is found to have a hydrogen concentration of 1.2 * 10 ^ - 2 , what is the pOH? Is it acidic or basic?

Answers

Answer:

12.1; acidic

Explanation:

I'm assuming the hydrogen concentration is H+.

So, first we must find pH.

pH = -log[H+]

I simply just plugged in the concentration.

I get 1.9 as the pH. This means that the substance is very acidic since it has a low pH.

Now to find poH.

poH + pH = 14

I simply plugged in once again!

I get 12.1 as the poH. This also determines that the substance is very acidic since it has a high poH.

Only smart people can answer 50points

Answers

Answer:

can you give brainliest please

Molar mass of Mg(NO_3)_2

24+2(14+48)24+2(62)24+124148g/mol

Moles of solute:-

35/1280.27mol

Now

Volume of solution=0.1L

Molarity:-

moles/volume0.27/0.12.7M

What is the pH of a solution that has a [H+] of 2.5x10-OM.

Answers

Answer:

[tex]ph \: of \: a \: solution \: = - \: log \: ( {h}^{ + } ) \\ given \: ( {h}^{ + } ) = 2 \times {10}^{ - 5} \\ = ph = - log \: (2 \times {10}^{ - 5} ) \: = 5 - log \: 2 = 4.7[/tex]

Where does reduction occur in an electrochemical cell?
O A. Cathode
O B. Porous barrier
O c. Anode
O D. Conducting wire

Answers

A. Cathode

The direction of electron flow in electrolytic cells, however, may be reversed from the direction of spontaneous electron flow in galvanic cells, but the definition of both cathode and anode remain the same, where reduction takes place at the cathode and oxidation occurs at the anode
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