Soaps form micelles when added to water and can be used to remove dirt or grease from surfaces. The dirt or grease molecules get trapped inside the micelle and can be easily washed away using water.
Which of the following statements are correct concerning the use of soap to remove dirt or grease from an object?
-The core of a micelle is formed by hydrocarbon chains.
-The polar end of a soap particle interacts with the water molecule.
-The dirt particles are generally nonpolar.
-Soaps have a polar end and a nonpolar end.

Answers

Answer 1

Soaps form micelles when added to water and can be used to remove dirt or grease from surfaces. The dirt or grease molecules get trapped inside the micelle and can be easily washed away using water.The core of a micelle is formed by hydrocarbon chains.

A chemical substance that is solely made up of hydrogen and carbon atoms is referred to be a hydrocarbon. Crude oil, natural gas, coal, and other significant energy sources are all made of hydrocarbons, which are substances that exist in nature.

The body's ability to absorb complex fats and fat-soluble vitamins depends on the creation of micelles. Micelles of fatty acids can develop thanks to the bile salts that the gall bladder and liver produce and exude.

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Related Questions

heat is lost to the styrofoam calorimeter. assuming a 6.22 c temperature change for the reaction of hcl (aq) with naoh (aq), calculate the heat loss to the inner 2.35g styrofoam cup. the specific heat of styrofoam is 1.34 j/g*c

Answers

The amount of heat loss to the inner 2.35g styrofoam cup is 19.6 joules.

Given in question that;

The calorimeter made of Styrofoam loses heat. Styrofoam's specific heat is 1.34 j/g*c, assuming a temperature change of 6.22 c for the reaction between hcl (aq) and naoh (aq).

Change in temperature; ∆T = 6.22°c

weight of substance; W = 2.35 g

Specific heat of styrofoam; Cp = 1.34 j/g°c

To find heat loss;

Q = w x Cp x ∆T

where, change in temperature; ∆T

Weight of substance; W

Specific heat of 2.35g of material; Cp

Thus, Q = 2.35 g × 6.22°c × 1.34 j/g°c

          Q = 19.58 joules

So, 19.6 joules heat is lost

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The ________ describes the location of electrons and the ________ describes the location of atoms.

Answers

The location of electrons is described by the electron-pair geometry, and the location of atoms is described by the molecular structure.

What makes molecular structure different from electron-pair geometry?

Electron-pair geometry is the configuration of all electron density zones around a core atom (bonds, lone pairs, or unpaired electrons). It is the arrangement of electron pairs surrounding a main atom.

The molecular structure of a molecule is made up of the way its atoms are arranged. It refers to how the atoms of a molecule are arranged, usually in reference to one central atom.

The electron-pair geometries will match the molecular structures when there are no lone pairs of electrons surrounding the centre atom, but they will differ if there are lone pairs present.

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how much heat is evolved when 1 mole of benzene is burned in excess oxygen under standard thermodynamic conditions

Answers

When 1 mole of benzene burns in abundant oxygen under typical thermodynamic circumstances, heat is released that is equal to -781.0 Kcal mol^-1.

A subfield of physics known as thermodynamics studies the relationship between energy, entropy, the physical characteristics of matter and radiation, as well as heat, work, and temperature. With an atomic number of 8 and the chemical symbol O, oxygen is the eighth chemical element. It belongs to the chalcogen group in the periodic table, is a very reactive nonmetal, and is an oxidizing agent that easily forms oxides with most elements as well as with other compounds like benzene. With an atomic number of 8 and the chemical symbol O, oxygen is the eighth chemical element. The periodic table classifies it as a part of the chalcogen group.

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How many atoms are in 1×10−10 g Au?

Answers

3.06x1011 atoms are found in 1 10 10 g of gold.

Why is gold called Au?

Because of the Latin term aurum, gold's symbol on the periodic table is Au. It is a pricey metal with a high boiling point that is utilized for coins and/or jewelry.

The substance gold. The element number 79 for gold is Au. Gold's Latin name, Aurum, or shining morning, and its earlier Greek origins predate the Anglo-Saxon term for it.

1 mole Au/197 g x 6.02x1023 atoms/mole x 1.00x10-10 g Au = 3.06x1011 atoms

The chemical element gold has the atomic number 79 and the symbol Au (derived from the Latin word aurum). This places it among the naturally occurring elements with higher atomic numbers.

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chemist carries out this reaction and obtains 11.4 g of tungsten. if the percent yield is 89.4%, what mass of wo3 was used?

Answers

Chemist carries out this reaction and obtains 11.4 g of tungsten. if the percent yield is 89.4%, The mass of WO₃ was used is 16.1 g.

given that :

percent yield = 89.4%

theoretical yield = 11.4 g

the percent yield = (actual yield / theoretical yield ) × 100 %

Theoretical yield = (actual yield / percent yield ) × 100 %

                            = (11.4 g / 89.4 ) × 100 %

                           = 12.8 g

The mass of the WO₃ = (12.8 g W / 183.84 g/mol W ) ×231.84 g/mol  WO₃

                               = 16.1 g  WO₃

The mass of  was used is 16.1 g.

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suppose rory applies a current to an aqueous solution of sodium bromide. which species is produced at the cathode? o2(g)o2(g) na(s)na(s) h2(g)h2(g) br2(l)br2(l) which species is produced at the anode?

Answers

The species is produced at the cathode

2Na + 2e⁻ → 2Na followed by 2Na  + H₂O → Na⁺ + OH⁻ + H₂

The species is produced at the anode

2 Br⁻ → Br₂ + 2e⁻

What do anode and cathode mean?

The negative or reducing electrode, known as the anode, undergoes electrochemical reaction when it oxidizes and releases electrons to the external circuit. During the electrochemical reaction, the cathode, also referred to as the positive or oxidizing electrode, is reduced after receiving electrons from the external circuit.

Balanced reaction:

2Na + 2Br → Br₂ + Na₂⁺ + 2OH⁻

At cathode:

2Na + 2e⁻ → 2Na followed by 2Na  + H₂O → Na⁺ + OH⁻ + H₂

At anode:

2 Br⁻ → Br₂ + 2e⁻

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5. given the ratio of reactants, what is the possibility of obtaining di- and polychlorinated product? explain.

Answers

The ratio of reactants is chlorination of 2,3 dimethyl butane the possibility of obtaining do and the polychlorinated product is not seen.

When a mixture of methane and chlorine is exposed to ultraviolet light a substitution reaction occurs and the organic product is chloromethane. Because there are various hydrogen atoms that can be extracted in the first propagation step.

Abstraction of a hydrogen atom from the middle carbon of propane results in 2-chloropropane. In the presence of sunlight, methane reacts with chlorine to form chloromethane. The chlorination of methane is a free radical substitution reaction. Chlorine cannot turn into free radicals in the dark, so no reaction takes place. Therefore, the presence of sunlight is essential for the reaction to proceed.

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a galvanic (voltaic) cell consists of an electrode composed of iron in a 1.0 m iron(ii) ion solution and another electrode composed of silver in a 1.0 m silver ion solution, connected by a salt bridge. calculate the standard potential for this cell at 25 °c. refer to the list of standard reduction potentials.

Answers

The galvanic or voltaic cell has a cell potential of 1.1 V.

Using the Nernst equation: Under unusual circumstances, the cell potential of an electrochemical cell can be determined using the Nernst equation.

Now that we are aware of that;

E= 0.0592/nlog - E° Q E° = 1.1 - 0.0592/2 log(1/1)

E° = 1.1 V

Consequently, the voltaic or galvanic cell's cell potential is 1.1 V.

electrode: the metal strip on which the reaction occurs.

An electrode where oxidation takes place is an anode.

an electrode where reduction takes place is a cathode.

A voltaic cell's salt bridge is the chamber of electrolytes required to complete the circuit.

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a 0.350 m solution of sodium hydroxide is reacted with 25.00 ml of an unknown molarity of sulfuric acid. it takes 17.3 ml of sodium hydroxide to react completely with the sulfuric acid. determine the molarity of the sulfuric acid.

Answers

The molarity of the sulfuric acid that reacted with sodium hydroxide is 0.12 M.

In stoichiometry problems, first, we have to make the chemical reaction. The reaction between sodium hydroxide (NaOH) and sulfuric acid (H₂SO₄)

2 NaOH + H₂SO₄ → Na₂SO₄ + 2 H₂O

For NaOH

The molarity = M = 0.350 MThe volume = V = 17.3 mLThe number of moles
n = MV
n = 0.350 M × 17.3 mL
n = 6.055 mmol

According to Avogadro's law, the coefficient of NaOH and the coefficient of H₂SO₄ is the ratio for the number of moles.

n NaOH : n H₂SO₄ = 2 : 1

n H₂SO₄ = n NaOH ÷ 2

n H₂SO₄ = 6.055 mmol ÷ 2

n H₂SO₄ = 3.0275 mmol

For H₂SO₄

The volume = V = 25.00 mLThe number of moles = n = 3.0275 mmolThe molarity
[tex]M \:=\: \frac{n}{V}[/tex]
[tex]M \:=\: \frac{3.0275}{25.00}[/tex]
M = 0.12 Molar

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what prediction can be made about the entropy change during the proposed synthesis of solid nitrogen?

Answers

Entropy decreases during the proposed synthesis of solid nitrogen

What is entropy?

One of the most crucial ideas in both information theory and physics is entropy. Entropy is a measure of the degree of chaos in a physical or biological system that is used informally. The less information we know about a system, the higher its entropy.

In the middle of the 19th century, debates about the effectiveness of heat engines gave rise to the idea of entropy. Students have struggled with Carnot's cycle and other sorts of expansion of real and ideal gases for generations without ever fully understanding why they were doing so.

A change in entropy, S, was defined in several previous textbooks using the equation:

S = Qreversible / T (i)

where Q denotes the amount of heat present and T denotes the thermodynamic temperature. However, it is more typical today to find entropy stated in terms of the level of disorder in the system and to define the entropy change, S, as:

ΔS = -ΔH/T (ii) (ii)

When we raise a substance's temperature in a chemical process, molecular mobility increases along with entropy. In contrast, molecular mobility and entropy should both decrease as a substance's temperature is dropped.

Hence, entropy decreases during the proposed synthesis of solid

nitrogen

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the rocks that glaciers transport at their base scratch the underlying surface and create striations and deeper gouge marks that we call glacial .

Answers

The rocks that glaciers transport at their base scratch the underlying surface and create striations and deeper gouge marks that we call glacial grooves.

What is glaciers ?

The word "glacial" is also applied to chemical compounds that have a propensity to crystallize into ice at temperatures just below room temperature. Pure organic acids that are present in their pure and anhydrous form are where this type of phenomenon that results in the formation of ice-like crystals occurs.

What is glacial grooves?

Rock and sediment fragments are mixed into the ice as glaciers flow over land. The sole of the glacier, which is where the inclusions are, resembles a rough sandpaper that can scratch bedrock as a result of these inclusions.

Therefore, rocks that glaciers transport at their base scratch the underlying surface and create striations and deeper gouge marks that we call glacial grooves.

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if the addition of bromine to trans-cinnamic acid proceeds purely by the expected anti addition the product will be

Answers

If the addition of bromine to trans-cinnamic acid proceeds purely by the expected anti addition the product will be erythro racemic mixture of the 2R,3S/2S,3R enantiomers.

What is the meaning of racemic mixture?

A mixture is known as racemic mixture, when that mixture contains equal quantities of two enantiomers, or substances that have dissymmetric molecular structures that are mirror images of one another. A racemic mixture is also known as racemate.

Hence, addition of bromine to trans-cinnamic acid results in the formation of racemic mixture with two enantiomers.

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explain why solutions of these two compounds, nano3 and co(no3)2, behave differently when aqueous ammonia is added

Answers

Solutions of these two compounds, nano3 and co(no3)2, behave differently when aqueous ammonia is added because the hydroxide salts formed have different solubility in water.

What is a precipitation reaction?

The definition of "precipitation reaction" is "a chemical process occurring in an aqueous solution where two ionic bonds join, producing an insoluble salt." Precipitates are insoluble salts that are the result of precipitation processes.

Ammonium hydroxide, a chemical that can react with ionic compounds, is created when aqueous ammonia is present. Ammonium hydroxide reactivity with the other compounds behave differently due to their precipitation rate.

Therefore solutions of these two compounds, nano3 and co(no3)2, behave differently when aqueous ammonia is added because the hydroxide salts formed have different solubility in water.

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assuming that the copper and lead are pure, determine the relative amounts of each kind of bb. the density of copper is 8.96 g/cm3g/cm3 . the density of lead is 11.4 g/cm3g/cm3 . express your answers in percent to two significant figures separated by a comma.

Answers

The values of x and y are 0.73 cm3 and 0.27 cm3. The masses are obtained by multiplying these values by the densities giving us with 6.54 g and 3.06 g.

First, from reliable sources we get the densities of both the copper and lead. This will give us 8.96 g/cm3 and that of lead is 11.34 g/cm3. We assume that 1 cm3 of this certain mixture is composed of x cm3 of copper and y cm3 of zinc. Such that,

x + y = 1

and 9.60 = x(8.96) + y(11.34)

The values of x and y are 0.73 cm3 and 0.27 cm3. The masses are obtained by multiplying these values by the densities giving us with 6.54 g and 3.06 g.

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The ________ describes the location of electrons and the ________ describes the location of atoms.

Answers

The electron-pair geometry describes the location of electrons and the  molecular structure describes the location of atoms.

What distinguishes molecular structure from electron-pair geometry?

The arrangement of all regions of electron density around a core atom is known as electron-pair geometry (bonds, lone pairs, or unpaired electrons). It is the configuration of electron pairs around a central atom.

The arrangement of the atoms within a molecule constitutes the molecular structure. It is the configuration of atoms within a molecule, typically in relation to a single centre atom.

When there are no lone pair of electrons pairs surrounding the centre atom, the electron-pair geometries will be identical to the molecular structures; but, if the central atom has lone pairs, the geometries will change.

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describe what difference, if any, there would be between the boiling point of alcohol measured in houston and in denver

Answers

The boiling point of alcohol will vary between Texas and Denver due to differences in air pressure.

What four different types of alcohol exist?

The four types of alcohol are rubbing, isopropyl, denatured, and ethyl. The most popular and well-known variety is ethanol, also referred to as grain alcohol or ethanol. Since it is created by the fermentation of glucose and yeast, it is present in beer, wine, and liquor.

Do you know what alcohol is?

When we talk about alcohol, we most often mean the alcohol found in beer, beer, and spirits. Due to the alcohol in such drinks, you become intoxicated. The type of alcohol contained in drinks is known as ethanol (ethyl alcohol). Yeast ferments the carbohydrates found in grains, fruit, and veggies to create

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calculate the rf value for a spot in a chromatography experiment if the solvent moved 13.1 cm and the spot moved 9.5 cm from the origin.

Answers

The rf value for a spot in a chromatography experiment if the solvent moved 13.1 cm and the spot moved 9.5 cm from the origin is 0.73.

What is chromatography ?

Separating ingredients in a mixture using chromatography is a procedure. The mixture is dissolved in the mobile phase, which starts the process off, and then transports it through the stationary phase, which is the final phase.

What is experiment ?

A scientific experiment is a test carried out to ascertain what occurs to a subject under a given set of circumstances.

Therefore,  rf value for a spot in a chromatography experiment if the solvent moved 13.1 cm and the spot moved 9.5 cm from the origin is 0.73.

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A solution containing 1.00 mg of iron (III) (as the thiocyanate complex) in 100 mL was observed to transmit 60.0 % of the incident light compared to an appropriate blank
Molar mass of Iron (III) thiocyanate= 230.0922 g/mol
a) What is the absorbance of the solution at this wavelength?
b) What is the transmittance of a solution of iron four times as concentrated?

Answers

Thiocyanate is a frequently utilized ligand because it offers valuable precursors for a variety of coordination complexes and has multiple bonding mechanisms to one or more transition metal ions.

What is thiocyanate complex ?

Thiocyanate typically forms terminal bonds with first row transition metals via the nitrogen.

Thiocyanates have a variety of uses in the construction business, agriculture, metal and steel industry, textile and fiber industry, and so forth.The thiol group of thiocyanic acid is deprotonated to produce thiocyanate, a pseudohalide anion. It serves as a metabolite for humans. It is a sulfur molecular compound and a pseudohalide anion. It is an isothiocyanic acid and thiocyanic acid conjugate base.

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a sample of saline solution has a mass of 165.0 g. it is placed in a 54.3-g evaporating dish. after evaporation, the dish and its contents have a mass of 56.7 g. what is the percentage by mass of sodium chloride in the solution?

Answers

Mass percentage is a term that represents the concentration, basically mass by mass percentage. It tells about the percentage of a component in a whole component. Therefore, 25.85% is the percentage by mass of sodium chloride in the solution.

What is percentage by mass?

Mass percentage represents the the percentage of each element that is making a particular compound. Mass percentage does not have any unit as numerator and denominator contains the same unit.

Mathematically,

Percentage of mass = (component’s mass ÷ total mass) x 100%

Total mass = 165.0g+ 54.3g

                 = 219.3g

mass of sodium =56.7 g

Percentage by mass = (56.7 g/  219.3g )×100

                                  = 25.85%

Therefore, 25.85% is the percentage by mass of sodium chloride in the solution.

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a 95-g aluminum spoon (specific heat 0.88 j/g °c) at 74 °c is placed in 280 g of water at 25 °c and the temperature of the two become equal. specific heat of water is 4.184 j/g °c. what is the final temperature when the two become equal?

Answers

The final temperature of the solution is 81.95 degree c.

What degree of temperature is too much for people?

People frequently cite a 2010 study that established the maximum limit of safety to be a moisture temperature of 35 C, or 95 F at 100% humidity or 115 F at 50% humidity. At this temperature, the human body can no longer cool itself by evaporating sweat from the skin.

Briefing:

The final temperature is:

To calculate the amount of heat released or absorbed, we use the equation:   We use the equation: to calculate the amount of heat released or absorbed.

(95g)(0.885J per gm degree c) = (180)(4.184  per gm degree c)

Since T2a1=T2copper,

We can describe them as x and find x by solving for x.

T2 = 81.95 degree c.

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What Is the rate of diffusion? Select the correct answer below; a. the process of molecules dispersing in space in response dilferences concentration b. the escape gas molecules through a tiny hole into vacuum c. the amount Of gas passing through some area per unit of tire d. none of the above

Answers

The rate of diffusion is the process of molecules dispersing in space in response differences concentration.

What Is the rate of diffusion?

The change in the no. of diffusing molecules in a cell is known as diffusion. While the change in the no. of diffusing molecules over time in a cell is known as Rate of diffusion.

Molecule:

The group of two or more atoms held together by chemical bonds such as covalent or ionic bond is known as molecule.

Molecules are of three types mainly:

Monoatomic (have one atom only)Diatomic (Have two atoms)Polyatomic (have 3 or  more atoms).

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a solution is prepared by dissolving 40.0 g of sucrose, c12h22o11, in 250. g of water at 25°c. what is the vapor pressure of the solution if the vapor pressure of water at 25°c is 23.76 mm hg?

Answers

The vapour pressure of mentioned solution of sucrose and water is 23.5 mm Hg.

The formula to be used for the calculation is from Raoult's law -

vapour pressure = vapour pressure of water × mole fraction

Number of moles = mass/molar mass

Molar mass water = 18 g/mol

Molar mass sucrose = 342.3 g/mol

Moles of water = 250/18

Moles of water = 13.9

Moles of sucrose = 40/342.3

Moles of sucrose = 0.12

Mole fraction of water = 13.9/(0.12 + 13.9)

Mole fraction of water = 13.9/(14.02)

Mole fraction of water = 0.99

Vapour pressure = 23.76 × 0.99

Vapour pressure = 23.5 mm Hg

The vapor pressure of the solution is 23.5 mm Hg.

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how much heat (in kcal) is released when burning one molecule of octane (gasoline, c 8h {18}c 8 ​ h 18 ​ ) completely to carbon dioxide ( co 2 co 2 ​ ) and water (h 2 oh 2 ​ o)?

Answers

Octane full combustion has an exothermic reaction that consumes 183.55 kcal/mol.

There is a difference between burning one molecule and one mole, therefore find out how much heat (in kcal) is produced while burning one octane molecule! (I'm asking you to find it for one molecule, there are 6.0210236.021023 molecules in one mole.) The helpful data below is presented per mole. I performed the identical task for burning methanol in the video lectures, but I did it for burning a full mole. C8H18C8H18's heat of formation is -59.2 kcal/mole. O2O2: 0.0 H2OH2O: -57.8 CO2CO2: -94.1 (by definition of the scale used) A document including all of your work, including the balanced chemical equation, should be uploaded.

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Which substance is important to the structure of the cell membrane because it helps the cell membrane keep its shape?

Answers

Phospholipid is the substance which is important because it helps the cell membrane keep its shape.

The primary element of cell membranes is phospholipid. All cell membranes have a double layer of them, which are arranged in a line. By preventing some substances from passing through, the double layer of phospholipids that develop helps to safeguard the cell.

A lipid called cholesterol prevents cell membranes from becoming overly rigid.The cell membrane is made up of a particular class of lipids called phospholipids. Phospholipids are amphipathic, which means they include both hydrophobic and hydrophilic components that can mix with water.

Hence, Phospholipid is the substance which is important because it helps the cell membrane keep its shape.

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how would the retention times of the compounds change if the solvent composition was changed from 55 vol% acetone and 45 vol% water to 85 vol% acetone and 15 vol% water?

Answers

The retention times of the compounds change if the solvent composition was changed from 55 vol% acetone and 45 vol% water to 85 vol% acetone and 15 vol% water is decreases..

The acetone and the water mixture is polar . this makes the example of reversed phase reaction. Acetone is the polar molecule and the water is also o polar molecule and there mixture is polar mixture.

For the polar solutes which are separated by the hydrophilic interaction chromatography. the the solvent composition changed from the 55 vol% of the acetone and the 45 vol% of the water to the 85 vol% of the acetone and the 15 vol% of the water , the retention times decreases.

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if your titration results in a magenta color, what is the limiting reactant and what is the excess reactant at that point?

Answers

As more ions are added, which decreases reading accuracy, if the titrated solution is dark in color at the conclusion of the titration, the molar concentration or molarity of HCl will be higher than the true value.

What does the term "titration" mean?

Chemical qualitative analysis employs the titration method, commonly referred to as titrimetry, to determine the concentration of a particular analyte in a mixture. Titration is a crucial analytical chemistry technique also referred to as volumetric analysis.

The titration principle is what?

The basic concept of the titration is as follows: The next step is to provide a titrant or standard solution to the sample to be tested.

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What happens to the chemistry of the seawater as more co2 is absorbed into the oceans?.

Answers

The planet's PH decreased, thereby making the water there increasingly acidic.

Why does seawater include compounds?

There are numerous distinct chemicals in seawater. Because when freshwater in water evaporates and salt is left behind, several of these chemicals can be seen. Pure substance made up water and oxygen is called water, or H2O.

Is seawater a type of chemical solution?

Rainwater and dissolved chemical substances combine to become seawater. A great solvent is water. Juices that dissolve other compounds are known as solvents. Numerous solutes are present in the majority of the earth's water, which includes the moisture in oceans, pools, rivers, and ponds.

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What happens to the temperature of a mixture of ice and liquid water as heat is applied at a constant rate?.

Answers

The temperature of a mixture of ice and liquid water as heat is applied at a constant rate, until all of the ice has melted, the mixture's temperature does not alter in any way; after that, it gradually climbs.

What is mixture?

Combinations of two or more different types of chemicals are known as mixtures. Separating them physically is possible. Examples include a mixture of water and sugar, a salt and water solution, different gases, air, and so on.

Heterogeneous and homogeneous mixtures are the two types of mixtures. While homogeneous mixtures look consistent throughout, heterogeneous mixtures can be visually divided into several components. Solution, which can be a solid, liquid, or gas, is the most typical kind of homogeneous mixture.

Therefore, The temperature of a mixture of ice and liquid water as heat is applied at a constant rate, until all of the ice has melted, the mixture's temperature does not alter in any way; after that, it gradually climbs.

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a novice scientist would like to test the solubility of an unknown compound. she adds a known amount of the compound to a test tube that holds 10 ml of water. she swirls the solution, mixing the substances together and places the test tube in a rack. a cloudy film begins to form near the bottom of the test tube. one possible conclusion might be that .​

Answers

When cloudy appearensce or turbidity appear in the solution, it shows that there is a precipitation and this compound is not dissolve in solvent. Here the compound settle down to thebottom of test tube so it is insoluble.

A substance is remember which has a particular composition and precise homes. every natural element is a substance. every natural compound is a substance. Examples of substances: Iron is an element and subsequently is likewise a substance. Methane is a compound and consequently is likewise a substance.

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Disclaimer:- Your question is incomplete, please see below for the complete question.

A novice scientist would like to test the solubility of an unknown compound. she adds a known amount of the compound to a test tube that holds 10 ml of water. she swirls the solution, mixing the substances together and places the test tube in a rack. a cloudy film begins to form near the bottom of the test tube. one possible conclusion might be that .

A. The compound miscible in water.

B. The compound is insoluble in water.

C. The compound is polar

D. The compound is unsaturated.

During the biodiesel synthesis, a mixture will be added to a separatory funnel and two layers will form. Identify the components of each layer.
Top:
Bottom:

Answers

In Top layer biodiesel and in bottom layer glycerin with methanol, water, and other salts.

What is biodiesel ?A domestically generated, clean-burning, and renewable alternative to petroleum diesel is biodiesel. Using biodiesel as a vehicle fuel boosts energy security, improves air quality and the environment, and provides safety benefits.Biodiesel is a drop-in biofuel, which means it is compatible with existing diesel engines and distribution infrastructure, in contrast to the vegetable and waste oils used to power converted diesel engines. However, as most engines cannot run on pure Biodiesel without modification, it is typically combined with petroleum-based diesel. Blends of biodiesel can be used as heating oil as well.Recycled greases that have not been converted into biodiesel, raw or refined plant oil, or refined plant oil are not biodiesel and should not be used as fuel for vehicles. In comparison to biodiesel, fats and oils have a much higher viscosity, and low-level vegetable oil blends can result in long-term engine deposits, ring sticking, lube-oil gelling, and other maintenance issues that can shorten engine life.

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