how does the concentration of an acidic liquid affect the volume of the acidic liquid needed to neutralize an alkaline solution?

All of the energy stored or applied on a body cannot be converted tono work done only the available form of energy is converted to work. The remaining part is called unavailable energy which is stored on the body or taken as increase in entropy.

According to thermodynamic concepts, the not all the energy can be converted into useful work .Or in other words only available energy can be converted to work. This available form of energy is called Gibbs energy.

For instance if we take a heat engine, the heat from the hot body is not completely transferred into colder body. According  to third law of thermodynamics, this unavailable work is being considered as gone for increase in entropy.

Therefore, only available energy of the electric drill can be changed to work done and that is 222 J out of 1000 J, remaining goes for an increase in entropy of the system.

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A region of a polypeptide that folds in a particular way, relatively independently of the rest of the molecule, is a folding domain.

Thus, the correct option is E.

Domains as known tertiаry structures are the folding of the secondаry structure into distinct аrrаngements. The tertiаry structure of а protein describes the mаnner in which the secondаry structurаl elements аre аrrаnged in three dimensions to creаte а stаble moleculаr entity. In mаny cаses, it is convenient to describe а protein in terms of regions of the polypeptide chаin thаt might fold аutonomously. These regions аre cаlled domаins аnd much of the discussion of tertiаry structure centres on the clаssificаtion of these units of protein structure.

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The Charlotte throws 5 darts and they all end up in the outer ring of the dart board is they are neither precise nor accurate.

Precise is defined as how close the measurement are with one another.  Accuracy is defined as how the measurement is close to the correct value.  if all the dart is close to each other but not on bullseye than it is high precise and low accurate. if the the dart are in the bullseyes and close to each other it is said to be high precise and high accurate.

Thus, The Charlotte throws 5 darts and they all end up in the outer ring of the dart board is they are neither precise nor accurate.

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The following were the goals of reconstruction is to reincorporate the south into the union, to establish the equality under law for African Americans, and to assist the African Americans in the transition from slavery to freedom.

In the reconstruction the period includes civil war and the southern states defeated confederation. reconstruction was basically period of political crisis . The major drawback is that the African American never be equal on economic equality with the whites.

Thus, The following were the goals of reconstruction is to reincorporate the south into the union, to establish the equality under law for African Americans, and to assist the African Americans in the transition from slavery to freedom.

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Reaction conditions that favor elimination in an acid-catalyzed dehydration : product is removed from the reaction mixture when formed. For reaction to be completed,  hypochlorous acid must be in excess during the reaction.

Acid-catalyzed dehydration of alcohols takes place when an acid puts an extra hydrogen atom on the alcohol. This causes  change in the OH alcohol group into an H2O or water group attached to the organic compound. When that particular molecule leaves then it leaves as water . Therefore dehydration occurs.

The activity of a solid acid on methanol dehydration reaction was found to be determined by the number of its acidic sites. The presence of such acid catalyst in the catalytic system  shifts the methanol synthesis reaction, increasing the pass conversion of CO.

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Based on the number of atoms in 1 mole of a substance, the number of atoms in 1 mole of  K₂ZnO₂ is 3.01 * 10²⁴ atoms.

Atoms are the smallest particle of an element that can exist and still retain the properties of that element.

Atoms of elements take part in chemical reactions.

The number of atoms in a mole of a substance is equal to 6.03 * 10²³.

In 1 mole of the compound K₂ZnO₂:

there are 2 moles of K atoms = 6.03 * 10²³ * 2 atoms

there are 1 mole of Zn atoms =6.03 * 10²³ atoms

There are 2 moles of O atoms = 6.03 * 10²³ * 2 atoms

Total number of atoms in 1 mole of  K₂ZnO₂ = 3.01 * 10²⁴ atoms.

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A method for making pure crystal of magnesium chloride from magnesium and dilute hydrochloric acid can be done using filter paper.

For this method, use a filter paper and funnel.

As, magnesium chloride is in aqueous form, it will come out with the filtrate(solution).

take hydrochloric acid in beaker:

• Keep adding small pieces of magnesium ribbon, until magnesium is in excess

• filter using filter paper and funnel and filter excess magnesium

• pour the solution into evaporating basin

• and then heat using Bunsen burner

• leave it to crystallize

evaporate or  boil off the water

• then decant solution

• finally pat dry using filter paper.

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The data is provided as follows.

The evaporating dish's mass is 3.375 g.

total mass = mass of the solid sample plus the evaporating dish

Specifically, 26.719 g (Mass of solid sample + evaporating dish)

So, using the following formula, we can determine the mass of the solid sample.

mass of evaporating dish = (mass of evaporating dish - mass of solid sample)

= 26.719 g – 3.375 g

= 23.344 g

This leads us to the conclusion that his solid sample's mass must be 23.344 g.

A piece of glassware used in laboratories called an evaporating dish is used to evaporate solutions and supernatant liquids, sometimes to the point of melting.

The main significant distinction between an evaporating dish and a watch glass is that a watch glass typically lacks sides and rims and resembles a contact lens more in terms of shape. The reason behind the name of these objects is that they mimic the glass case of a wristwatch.

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Organic molecules form covalent bonds and inorganic compounds form ionic bonds.

The main interaction in ionic compounds is ionic bonding, a type of chemical bonding that involves the electrostatic attraction between two atoms or ions with dramatically different electronegativities.

A chemical link known as a covalent bond includes the sharing of electrons between atoms to generate electron pairs. Covalent bonding is the stable equilibrium of the forces of attraction and repulsion between atoms when they share electrons.

Inorganic compounds have ionic bonds. There is always an ion-dipole attraction when inorganic compounds are combined with water, meaning the ions are solvated (hydrated)

Covalent bonding is frequently seen in molecules containing carbon, usually known as organic compounds. The two atoms' common pair of electrons has now extended around their nucleus, resulting in the formation of a molecule.

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Answer:

the correct answer is 5

Explanation:

i just know

The subgame perfect Nash equilibrium is to hold elections to pursue the moderate policy.

A perfect Nash equilibrium for a subgame is usually derived from the game's various final outcomes by backward induction eliminating branches where each player makes incredible moves from that node. The main difference between subgame perfect equilibrium and Nash equilibrium is that subgame perfect equilibrium requires all threats to be reliable.

Therefore, the study of the perfect balance of subgames is a reliable threat study. Subgame perfect equilibria are a subset of Nash equilibria. A Nash equilibrium of an extended game is a subgame perfect equilibrium if every subgame induces a Nash equilibrium game. A Nash equilibrium in which no part of the player's strategy contains incredible threats or promises is called a complete subgame.

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Answer:

a producer is an organisms that produce food for themselves and other organisms.

The major organic product formed in the reaction of 1−methylcyclohexene with bromine in water is attached as a picture.

A reaction mechanism is a representation of step by step transfer of electrons and molecules from one compound to another compound. In reaction mechanisms, the curved arrows show the moment of electrons.

In the reaction mechanism of 1-methyl cyclohexene the double bond of 1-methyl cyclohexene act as an attacking group and attacks Br2. As a result, one Br atom gets attached to 1-methyl cyclohexene. This results in a carbocation generation on the carbon having the methyl group. This carbon cation then attacks the oxygen of water molecules and the organic product (1S,2S)-2-bromo-1-methylcyclohexan-1-ol will generates as the major product.

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The molarity when a student dissolves of resveratrol in of a solvent with a density of . the student notices that the volume of the solvent does not change when the resveratrol dissolves in it is 0.185 M and 0.3645 g

As we know the formula of Resveratrol

C14H12O3

We know the molar mass is 228 g/mol

Mole of resveratol is 19/228=0.083 g

So, the molarity of the Solution is 0.083/0.45=0.185 L

Now as we know molality mole of the solute mass of solvent

volume of solvent = 450 ml

Molality is the mass of solute upon the mass of solvent

M=0.81X450=0.3645 kg

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Answer:

C I think, haven't done this in awhile

Explanation:

I took science

0.93 moles are present in 5.6 x 1023 particles of H2SO4

number of moles= given particle/ Avogadro number

number of moles= 5.6 x 1023 particles/6.022×10^23

number of moles=0.93 mol

The mole idea is a useful way to indicate how much of a substance there is. Even one gram of a pure element is known to have an enormous number of atoms when working with particles at the atomic (or molecular) level. The mole idea is frequently applied in this situation. The unit of measurement that receives the most attention is the "mole," which is a count of a sizable number of particles.

Popularly known as the Avogadro constant, the quantity 6.02214076×10^23 is frequently represented by the letter "NA". Atoms, molecules, monoatomic and polyatomic ions, as well as other particles, are examples of the elementary entities that can be represented in moles (such as electrons).

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The density of the wood will be 0.5g/cm³ . It will float in water because its density is than that of water i.e, 1g/cm³ .

Given that the mass of the substance is 50 g and its volume is 100cm³

So, its density will be given as,

Density= Mass/ Volume

=50/ 100 g/cm³

= 0.5 g/cm³

When placed in water, an object with a density greater than or less than that of  water will float or sink, respectively. A substance's density is a defining characteristic that is independent of  substance's volume.

The substance's density is less than that of water. Due to lower density than water, the substance will float on the surface of water.

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To solve the stoichiometry problems we need the amount of reactants given in mole and the product is sought in mole. We use  it because then all we have to do is the mole ratio from the balanced chemical equation  to solve the problem

The option B is correct.

What do you mean by Stoichiometry ?

Stoichiometry can be defined as  the quantitative relationships or ratios between two or more substances undergoing a physical change or chemical change. Jeremias Benjaim Richter defined stoichiometry in 1792 as the science of measuring quantities or mass ratios of chemical elements. It is the study of mass relations

It can be analyzed by

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The relationship between process capability index, Cp and process capability ratio, Cr is given as Cp = 1/Cr.

In statistics, process capability index is used to measure the variations or changes that occur in a process.

In general, the it lies between the specification limits which are also held in check while performing the Process capability index.

As we know that different processes has different optimal situations which help us to contrast the processes and also help us to identify if the obtained results meet our expectations.

Simply put, Process capability index also called process capability ratio is a statistical measurement method to identify the possible variations in a process.

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Isotopes of elements having atomic number less than 20 and with a neutron to proton ratio of close to 1 are more likely to be stable.

What is an isotope?

Isotopes are two or more atom kinds that share the same atomic number (protons in the nucleus), placement in the periodic table, and chemical element but have distinct nucleon numbers (mass numbers) as a result of possessing a different quantities of neutrons in their nuclei. Although the chemical properties of each isotope of a given element are nearly identical, they differ in their atomic weights and physical characteristics. The atomic number of an atom is the sum of the number of protons in the nucleus and the number of electrons in a neutral (non-ionized) atom. The mass number of an atom is determined by the quantity of nucleons—both protons and neutrons—in its nucleus, and it varies for each isotope of a given element.

Isotopes of elements having atomic number less than 20 and with a neutron to proton ratio of close to 1 are more likely to be stable.

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Carbon electrodes are changed frequently in electrolysis as the carbon in the carbon electrodes burns to give out Carbon-di-oxide.

Carbon electrodes are used in electrolysis to facilitate the transfer of electrons between the anode and the cathode. The carbon electrode is usually in the form of a rod or plate and is electrically connected to the anode.

The carbon electrode may also be used to help reduce the overall resistance of the electrolytic cell.

Carbon electrodes are used in electrolysis because they are chemically inert and have a high electrical conductivity.

However, carbon electrodes must be changed frequently because they become corroded and lose their electrical conductivity over time.

This is because carbon burns out in the Carbon electrodes to give out Carbon-di-oxide. That is why the carbon anodes should be changed frequently.

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Distillation is the separation of multiple liquids. it means the selective boiling and subsequent condensation of a component in a liquid mixture.

Distillation It is a separate technique that can be used either to increase the concentration of a particular component in a mixture or to obtain pure components from a mixture.

The process of distillation takes advantage of the difference in boiling points of the components in a liquid mixture by converting one of them into a gaseous state. Distillation is not a chemical reaction but can be considered a physical separation process.

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The heat capacity values obtained will be too low due to the heat lost.

The heat capacity of a substance is the amount of heat required to raise the unit mass of that substance by one-degree celsius.

In order to determine the heat capacity of a substance, the method of calorimetry is used.

In the method of calorimetry, it is assumed that no heat is lost during the process.

The principle states that the heat lost is equal to the heat gained.

Hence, if heat is lost from the calorimeter during the process of determining the heat capacity of a substance, the heat capacity value will be lower than the actual values.

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The property that will be least helpful in the determination of the bond type that has the strongest intermolecular forces is C. Conductivity in water.

It should be noted that the students wanted to investigate whether ionic or covalent bonds have stronger intermolecular forces.

In order to carry out the investigation, salt, sugar, and molar balls are used. Based on this, the property that is required for the investigation will be flammability, solubility in water, and the melting point.

The conductivity in water isn't required.

The product formed in the Diels-Alder reaction is given below. It is a (4+2) addition and a cis-product is formed.

Two organizations in a molecule can be distinctive and, if changed, generate compounds that are stereoisomers. A magnetic interaction arises among two debris such as hydrogen nuclei with non-0 spin. when two enantiomers have exclusive charges of reaction. A not-unusual instance of a pair of enantiomers is dextro lactic acid and laevo lactic acid.

The definition of a stereoisomer is any of a group of isomers wherein atoms are linked inside the identical order but fluctuate in their spatial association. In stereoisomerism, the atoms making up the isomers are joined up inside the identical order, but nevertheless, control to have an exceptional spatial arrangement. Geometric isomerism is one form of stereoisomerism. these isomers arise when you have confined rotation someplace in a molecule.

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Energy as the ability to do work.

What is energy?

Energy has been defined as the ability to do work. Modern civilization is possible because people have learned how to change energy from one form to another and then use it to do work. People use energy to walk and for bicycle, to move cars along roads and boats through water, to cook food on stoves, to light our homes and offices, to manufacture products.

There are different forms of energy, which may include:

These forms of energy can be grouped into two general types;

Explanations

1. This is called convection.

2. You are using chemical energy and converting it to thermal (heat) energy.

3. Kinetic energy is the important factor

4. A hydrocarbon is an organic compound consisting entirely of hydrogen and carbon. Hydrocarbons are generally colourless and hydrophobic, and their odors are usually weak or exemplified by the odors of gasoline. Examples of hydrocarbons are coal, petroleum, natural gas and tar. They are used as energy sources.

5. Radioactive waste. These materials can remain radioactive and dangerous to human health for thousands of years.

6. Mercury.

7. The energy of the sun is the original source of most energy used on Earth.

8. Heat is released and this heat expended allows work to be done.

9.

10.

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