The pH of the solution is now obtained as 10 after deprotonation.
What is the correct pH value?We know that the pH has to do with the degree of the acidity or the alkalinity of system. Now we know that the pH can be measured by means of a pH meter.
In the body, there are a lot of biological molecules that work together to make the body to function effectively. Of all of these compounds, the most abundant of the biological molecules that are important in the body are the protein molecules.
The protein molecule is composed of the amino acids. Now we know that the amino acids can be protonated or deprotonated and the pH of the system would depend on whether the amino acid is protonated or deprotonated. The deprotonation of the substrate would make it much more basic.
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Missing parts;
Consider a di-glycine dipeptide (e.g. two glycine amino acids that have been covalently bonded together via a peptide bond). If the amino group is neutral and the C-terminal carboxy group is deprotonated, which pH value do you expect is most consistent with these observations?
Group of answer choices
a. 1
b. physiological pH
c. 3
d. the pKa of an aspartic acid side-chain carboxylate
e. 10
The light observed in a flame test is the absorption that moves an electron from a lower energy level to a higher energy level_ is the emission that occurs when an electron moves from a higher energy level to a lower energy level: occurs because vibrations are excited in a cation: is the Infrared (IR) radiation emitted by a cation;
The light observed in a flame test is the emission that occurs when an electron moves from a higher energy level to a lower energy level.
This occurs because the electron loses energy in the form of light as it moves from one energy level to another. The light emitted is dependent on the type of cation that is present in the flame. Different cations will emit different wavelengths of light due to their unique energy levels.
This is why a flame test is used to identify different elements and compounds. Additionally, infrared (IR) radiation is also emitted by the cation in the flame. This radiation is emitted due to the vibrations of the cation's molecules as they are excited by the heat of the flame. The amount of infrared radiation emitted is also dependent on the type of cation present.
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What is the concentration of citric acid if its volume is 25 ml and the titrated volume of the standard solution of 0.75 M is 12.4 ml?
- 0.17 M
- 0.47 M
- 0.37 M
- 0.30 M
The concentration of citric acid if its volume is 25ml and the titrated volume of the standard solution of 0.75M is 0.372M (option C).
How to calculate concentration?Molarity or molar concentration is the concentration of a substance in solution, expressed as the number moles of solute per litre of solution.
The molar concentration of a diluted solution can be calculated using the following formula:
CaVa = CbVb
Where;
Ca = initial concentrationVa = initial volumeCb = final concentrationVb = final volumeAccording to this question, the volume of a citric acid solution is 25 ml and the titrated volume of the standard solution of 0.75 M is 12.4 ml. The concentration of the citric acid solution can be calculated as follows:
25 × Ca = 12.4 × 0.75
25Ca = 9.3
Ca = 9.3/25
Ca = 0.372M
Therefore, 0.372M is the concentration of the citric acid solution.
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How does a quantity differ from a unit? Use two examples to explain the difference.
A crowd is something that has size, size, or quantity, and units are a kind of measure.
Give examples?
Example 1: The quantity represented by a teaspoon of volume, teaspoon is a unit and volume is a quantity.
Example 2: If there are 236 kg, the 236 is the quantity while kg is the units.
What is a unit?
A unit is a single complete part of something, like a building block. In math classes, you may take a unit of algebra before taking another unit of geometry. There are also units of measurement such as inches and miles.
The word unity comes from mathematics, but has branched out to refer to a single thing that is part of a larger one. Each apartment in the building is a unit. A unit can also be a small group that fits into a larger social organization, such as a military unit or a family unit. In both cases the units are part of a larger whole.
Therefore, A crowd is something that has size, size, or quantity, and units are a kind of measure.
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Draw the Lewis structure for COBr2. Identify the steric number, the hybridization, the molecular geometry name and the approximate bond angle of the central atom.
There is a Carbon atom (C) at the core of the COBr2 Lewis structure, which is surrounded by two Bromine atoms (Br) and one Oxygen atom (O). Between the carbon (C) and oxygen (O) atoms, there is a double bond, while between the carbon (C) and bromine (Br), there is a single bond.
How can you determine a Lewis structure's steric number?The following formula is used to determine the steric number: Number of lone electron pairs on the core atom times the Steric Number plus (number of atoms bonded to the central atom)
How are steric number and hybridization determined?The idea of steric number is particularly helpful because it informs us of the quantity of hybridized orbitals that exist. Thus, you sum up to determine the steric number.
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The half-life of iodine-123 is 13.3 hours. How much of a 25.0 mg sample will remain after 39.9 hours?
A. 3.12 mg
B. 6.25 mg
C. 1.56 mg
D. 25.0 mg
E. 12.5 mg
3.12 mg of sample will remain after 39.9 hours if the half life of iodine is 13.3 hours.
Half life of the reaction is the time required for the reactant concentration to decrease to one-half its initial value. The half-life of a first order reaction is a constant that is related to the rate constant for the reaction.
here, Half life of iodine is 13.3 hours. so,
Half life t1/2 = ln 2/ K
k = 0.693 / t1/2
= 0.693 /13.3 hours
= 5.21 *10-2
The rate of a reaction is dependent on rate constant which is different for each reaction type. A first-order reaction is a reaction where the rate is dependent on the concentration of only one reactant. Because of this, it is also called a unimolecular reaction. The rate equation for this type of reaction is: Rate constant for first order reaction is,
k= 1/t ln [A]0 / [A]t
t = 39.9 hours
k = 5.21 * 10-2 / hour
putting all the values in the expression of rate constant for first order reaction we get,
[A]t = 3.12mg
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(A)
Show that the atomic packing factor for HCP is 0.74
(B) For the HCP crystal structure, show that the ideal c/a ratio is 1.633.
The atomic packing factor for HCP is 0.74.
(a) APF= (no. of atoms/cells)(Volume of each atom)/ Volume of unit cell
For the HCP crystal structure, the ideal c/a ratio is 1.633.
(b) (c/2)² = a²- sk
What is a crystal structure?
In crystallography, a crystal structure is a description of the regular arrangement of atoms, ions, or molecules within a crystalline material. The ordered structure results from the inherent property of constituent particles to form symmetrical patterns that repeat along the main directions of the three-dimensional space of matter.
The smallest group of particles in the material that make up this repeating pattern is the unit cell of the structure. A unit cell perfectly reflects the symmetry and structure of the entire crystal. It is constructed by repeatedly moving the unit cell along the principal axis. The translation vector defines the nodes of the Bravais lattice.
The length of the long axis or edge of the unit cell and the angle between them is the lattice constant, also called the lattice parameter or cell parameter. Crystal symmetry is described by the space group concept. All possible symmetric arrangements of particles in three-dimensional space can be described by the 230 space group.
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Draw a correct Lewis structure for XeI2 (Xe in middle, surrounded by I's ) that puts a 0 formal charge on all atoms. How many lone pairs (unshared pairs) are on the central atom? --------------------------------------------------------------------------------------------------------------------------------------------------- 2) A 0.3876 gram sample of a gaseous compound occupies 142 mL at 150 degrees C and 775 torr. What is the molar mass of the compound? Assume ideal behavior. M = dRT/P M = molar mass Hint: you must convert torr to atm 760 torr = 1 atm Hint: you must convert oC to K by adding 273 Hint: you must convert mL to L
On the Xenon atom (Xe) and both of the Iodine atoms, there are three lone pairs and the molar mass of sample is 86.83g/mole..
(a) The central Xenon atom (Xe) of the XeI2 Lewis structure is surrounded by two Iodine atoms. The Xenon atom (Xe) and each iodine atom are connected by two single bonds.
(b) Given that a gaseous sample's mass(m) is 0.3876 grams.
This sample's volume (v) is 142 ml, = 0.142 L, and its temperature (t) is 150 °C, = 150 + 273 , = 423 K
pressure (p) equals 1.09174 atm or 775 torr.
As a result of the equation pv = nRt, n=m/M and M = mRt/pv, which equals 0.3876x0.0821x423/1.0917x0.142, = 13.46068908/0.1550214, = 86.83g/mole.
The resulting molar mass is 86.83g/mole.
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Identify the products in the following reaction that occurs in plants: Carbon dioxide and water react to produce glucose and oxygen.
Photosynthesis produces glucose (C₆H₁₂O₆) which is stored in the form of starch, and oxygen (O₂) which will be released. To be able to carry out photosynthesis, it takes carbon dioxide (CO₂) which is taken from the air through the stomata. In addition, water (H₂O) is also needed which is taken from the soil by the roots, then distributed to the leaves through the xylem.
What is photosynthesisIn photosynthesis, sunlight energy reacts with six molecules of carbon dioxide (CO₂) and six molecules of water (H₂O) to produce one molecule of glucose (C6H12O6) and six molecules of oxygen (O₂). With the equation:
6CO₂ + 6H₂O + light = C₆H₁₂O₆ + 6O₂
From these results CO₂ is converted into solid glucose for plants to consume along with water. While oxygen (O₂) is released into the air.
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STOICHIOMETRY Interconverting number of atoms and mass of compound that contains million (1.ox106 Calculate the mass of glucose (C6H,206, carbon atoms Be sure your answer has unit symbol if necessary, and round it to 2 significant digits
Stoichiometry interconverting number of atoms and mass of compound that contains million (1.ox106), the mass of glucose (C6H,206, carbon atoms is 110.00 gm.
The relationship between the quantities of reactants and products prior to, during, and after chemical processes is known as stoichiometry. Stoichiometry is based on the law of conservation of mass, which states that the sum of the masses of the reactants and products must equal one another. This realization led scientists to conclude that the ratio of positive integers is typically formed by the relationships between the quantities of the reactants and products. This means that the amount of the product may be determined if the amounts of the individual reactants are known. On the other hand, if the amount of one reactant is known and the amount of the products can be computed using empirical data, the amount of the other reactants can likewise be calculated. This is seen in the following figure, where the balanced equation reads: CO2 + 2 H2O CH4 + 2 O2
In this reaction, two molecules of oxygen gas combine with one methane molecule to form carbon dioxide and two molecules of water. A full combustion is demonstrated in this chemical equation. To ascertain the quantity of products and reactants generated or required in a particular process, stoichiometry examines these quantitative correlations. Reaction stoichiometry is the description of the quantitative interactions between substances as they take part in chemical processes.
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An alloy is a solution in which: Select the correct answer below: O a gas is dissolved in a solid aliquid is dissolved in O a solid a solid is dissolved in O a solid a solid is dissolved in O a liquid MORE INSTRUCTION SUBMIT
An alloy is a solution in which: Solid dissolved in a solid:
What is an alloy?A material that combines more than one metal or blends a metal with other non-metallic components is known as a metal alloy. Brass, for instance, is an alloy of the two metals copper and zinc. A metallic element (iron) and a trace amount (up to 2%) of a non-metallic element are alloyed to form steel (carbon).
There are two different general types of alloys. A substitutional alloy is one form in which the different atoms simply swap places inside the crystal structure. The smaller atoms, like carbon, fit between the bigger atoms in the crystal packing arrangement in a different sort of alloy called an interstitial alloy.
Since Alloy is a homogeneous mixture of two or more metals ( solid ) or a metal and a non - metal ( solid ). So, alloy is a solution which consists of a solid dissolved in a solid, it is the correct option.
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Nicotine is an alkaloid found in the nightshade family of plants (solanaceae) that acts as a stimulant in mammals. Nicotine is made up of 74% carbon, 8.7% hydrogen, and 17.3% nitrogen, what is the empirical formula?
What is the ratio of moles?
From the percentage composition, the empirical formula of nicotine is C₅H₇N.
The mole ratio of the elements carbon, hydrogen, and nitrogen is 5 : 7 : 1
What is the empirical formula of a compound?The empirical formula of a compound is the formula showing the elements combined in the simplest ratio.
The empirical formula of nicotine is calculated as follows:
Mole ratio of Carbon : 74%/12 = 0.06 moles
Mole ratio of Hydrogen : 8.7%/1 = 0.087 moles
Mole ratio of nitrogen : 17.3% / 14 = 0.012 moles
Simplest mole ratio:
Carbon: 0.06/0.012 = 5
Hydrogen: 0.087 / 0.012 = 7
Nitrogen : 0.012 / 0.012 = 1
The empirical formula of nicotine will be C₅H₇N
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Name each compound. (Refer to the nomenclature flowchart found in the Key Concepts section of the Chapter in Review.) a. B2Cl2 b. BaCl2 c. CrCl3
According to the rules of nomenclature,
B2Cl2 - DiBoron Dichloride
BaCl2 - BariumChloride
Crcl3 - ChromiumChloride
What are rules of Nomenclature?Write the name for both elements.Change the ending of the second element to ide.Place prefixes in front of each element based on the number of atoms present.The prefix 'mono' is only used on the second non-metal in the chemical formula.There shouldn't be two vowels in a row. For example, when you have 'mono' in front of 'oxide' it is written 'monoxide', not 'monoxide'.According to the rules of nomenclature,
B2Cl2 - DiBoron Dichloride
BaCl2 - BariumChloride
Crcl3 - ChromiumChloride
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which ion is generated as an intermediate in the formation of the major product in the reaction of toluene with so3 / h2so4
Answer:s03
Explanation:
0.55 grams of solid calcium chloride, cacl2, is dissolved in 250 ml of water to make a cacl2 solution. what is the ph of the solution ? (round off the atomic masses to one decimal place for calculations)
When 0.55 grams of solid calcium chloride, is dissolved in 250 ml of water, the pH of the solution is 1.7.
given that :
mass of sodium chloride , CaCl₂ = 0.55 g
volume = 250 ml = 0.25 L
moles of sodium chloride = mass / molar mass
= 0.55 / 111
= 0.00495 mol
the molarity expression is given as :
Molarity = moles / volume in L
= 0.00495 / 0.25
= 0.0198 M
pH = - log (0.0198 )
= 1.7
The pH of the solution which contains the 0.55 g of sodium chloride in the water of 250 ml is 1.7.
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Complete this table relating the values of Ecell and ΔG to the Q/K ratio
Q/K Ecell ΔG
<1
=1
>1
Drag these labels into table as appropriate:
>0, =0, <0
Complete this table relating the values of E cell and ΔG to the Q/K ratio, given below:
What is E cell?In an electrochemical cell, the potential difference between two half cells is measured by the cell potential, or Ecell. The capacity of electrons to go from one half cell to the other is what determines the potential difference.
The following is how the Nernst equation may be represented for measurements made at 298K. E = E₀ - 0.0592/n log10 Q.
As a result, according to the Nernst equation, the reaction quotient determines the overall potential of an electrochemical cell.
Because they are not spontaneous, electrolytic cells, which are reactions that only take place with the input of an external energy source, are considered negative. They're spontaneous if Ecell is positive.
The completed table is given below:
Q/K Ecell delta G
<1 >0 <0
=1 =0 =0
>1 <0 >0
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some of the most powerful lasers are based on the energy levels of neodymium in solids, such as glass. what wavelength of light is emitted when electrons transition from an energy level of 1.67 ev to 0.50 ev?
wavelength of light is emitted 1.6µm
What are the light's wavelength and frequency?The distance between equivalent places in two consecutive light cycles is known as the wavelength of light, and the frequency of light seems to be the number of light cycles that pass a specific spot in a second.
What does wavelength mean in plain English?A wavelength is the distance between two identical locations (adjacent crests) throughout successive cycles of a waveform signals that is transmitted by a wire or in space.Typically, this length in wireless systems is specified in metres , centimetres , or millimetres
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Which statement is correct?
Baking is a chemical change.
Burning is a physical change.
Rusting is a physical change.
Melting is a chemical change.
Baking is a chemical change when you bake a cake the ingredients go through a chemical change. .
What is chemical change?Chemical Change is defined as the process in which the atoms of one or more substances are rearranged or combined to form a new substance. When a substance undergoes chemical change the chemical properties of the substance changes and it is transformed into a different substance with different chemical composition. Examples are burning of any substance, rusting of iron.
Therefore a chemical change occurs when the molecules that compose two or more substances are rearranged to form a new substance.
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you dissolve 1.112 grams of iron (iii) chloride into enough water to make 500.00 ml of solution. calculate the molarity of this iron (iii) chloride solution.
The molarity is 0.00024 g/l for the 1.112 grams of iron (iii) chloride into enough water to make 500.00 ml of solution.
The maximum not unusualplace manner to specific answer attention is molarity (M), that's described as the quantity of solute in moles divided through the extent of solution in liters: M = moles of solute/liters of /solution.
Here we have the mass of iron (iii) chloride = 1.112 grams.volume of water is = 500.00 ml for molarity = mass of solute/ volume of solution in litres. M = 1.112 / 500.00 = 0.00024 g/L.Molarity (M) of the iron (iii) chloride solution is 0.00024 g/L.Read more about iron;
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The solar nebula was (a) rock and metal. (b) hydrogen compounds. (c) hydrogen and helium.
The solar nebula was (a) rock and metal.
The solar system has evolved significantly since its birth. Many moons formed from disks of gas and dust orbiting their parent planets, while others are thought to have formed independently and later been captured by their planets. Moreover, like Earth's Moon, it could also be the result of a giant impact. Collisions between celestial bodies continue to occur to this day and are central to the evolution of the solar system. Due to gravitational interactions, the planets may be misaligned [2]. It is now believed that this planetary migration was responsible for much of the early development of the solar system. Known as the
Nebula Hypothesis, this model was first developed in the 18th century by Emanuel Swedenborg, Immanuel Kant, and Pierre-Simon Laplace. Subsequent developments have interwoven various scientific disciplines, including astronomy, chemistry, geology, physics and planetary science. Since the dawn of the space age in the 1950s and the discovery of exoplanets in the 1990s, models have been challenged and refined to explain new observations.
The solar nebula was a disk-shaped cloud of gas and dust composed of rock and metal particles, hydrogen compounds (such as water, methane, and ammonia), and a mixture of hydrogen and helium. This mixture of materials is what eventually coalesced to form the sun, planets, and other objects in the solar system.
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the heat released by 4.44 mol of the ideal monatomic gas of a carnot engine is 991 j. the low temperature (388 k) contraction ends at 55.5 l. what is the volume at the beginning of this contraction?
The heat released by 4.44 mol of the ideal monatomic gas of a carnot engine is 991 J. the low temperature (388 k) contraction ends at 55.5 l.. the volume at the beginning of this contraction is 51.82 L.
Using the expression is given as :
W = n RT ln (Vf / Vi)
991 J = 4.44 mol × 8.314 J / mol K × 388 ln (55.5 / Vi )
991 = 14322.69 × ln (55.5 / Vi )
0.0691 = ln ( 55.5 / Vi )
(55.5 / Vi ) = 1.071
Vi = 51.82 L
The initial volume of the monoatomic gas is 51.85 L.
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because of texas's highly decentralized system, __________.
The willingness—and occasionally the self-interest—of the agency's heads might make it difficult for them to cooperate and coordinate. Elected executive officeholders have a great deal of control over their personnel systems and have closely preserved this privilege.
In Texas, the governor's ability to manage the bureaucracy is constrained by three factors: (1) limited appointment, removal, and directive powers; (2) lack of a true executive budget; and (3) fragmentation of the executive. Important arguments in favor of decentralizing government include the fact that it fosters an effective and dependable administration, intensifies and enhances local development, better assures the local population's rights to an effective voice in politics, and better defends minorities.
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8. Show that [BrF4] - is a non-polar molecule.
[BrF4] - is a non-polar molecule.
What is polarity of a molecule?A molecule's polarity reveals whether the electron cloud is evenly distributed among its atoms or whether an electronegative atom is having an impact on the electron density. The behavior and reactivity of the molecule will be influenced by the electron distribution. For instance, if you know a chemical's polarity, you may anticipate which solvents would work best with it.
Despite the fact that they are both homogeneous solutions on their own, water and oil do not mix well. A more thorough examination of the polar forces influencing the two solutions will shed light on this phenomenon.
it is called Tetrafluoroborate ion
Bond order = 0.5
[BrF4] - is a non-polar molecule.
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CFCl3 I need Draw Lewis dot structures and give the shapes Molecule Geometry
The electron geometry of CFCl3 is tetrahedral. In the tetrahedral shape, the molecule has four atoms.
CFCl3, also known as trichlorofluoromethane, is a molecule made up of one carbon atom and three chlorine atoms. To draw the Lewis dot structure of CFCl3, we first need to draw the skeletal structure of the molecule, which shows the arrangement of the atoms. The skeletal structure of CFCl3 is as follows:
C – Cl – Cl – Cl
Next, we need to add the valence electrons to each atom. Carbon has 4 valence electrons, while chlorine has 7. We can draw the Lewis dot structure of CFCl3 by adding the valence electrons to each atom like this:
C: . . . .
Cl: . . . . . . .
Cl: . . . . . . .
Cl: . . . . . . .
In this Lewis dot structure, each chlorine atom has a full octet (8 valence electrons), while the carbon atom has an octet plus one (9 valence electrons). The overall electron geometry of CFCl3 is tetrahedral, which means that the molecule has four atoms arranged in a tetrahedron shape. The molecular geometry of CFCl3 is also tetrahedral, which means that the actual arrangement of the atoms in the molecule is a tetrahedron.
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calculate the number of grams of aluminum required to prepare 125.0 g of chromium metal by the first reaction.
The number of grams of aluminum required to prepare 125.0 g of chromium metal by the first reaction is approximately 32.4 g.
To calculate the number of grams of aluminum required to prepare 125.0 g of chromium metal, you need to balance the chemical equation for the reaction between aluminum and chromium oxide to determine the stoichiometry of the reaction.
Here is the balanced chemical equation for the reaction:
Al + Cr2O3 -> 2 Cr + Al2O3
From the balanced equation, we can see that for every mole of aluminum that reacts, 2 moles of chromium are produced. We can use the molar masses of aluminum and chromium to determine the mass of aluminum required to produce a given mass of chromium.
The molar mass of aluminum is 26.98 g/mol, and the molar mass of chromium is 52.00 g/mol. Using these values, we can calculate the mass of aluminum required to produce 125.0 g of chromium as follows:
125.0 g Cr / 52.00 g/mol = 2.40 moles Cr
2.40 moles Cr * (1 mole Al / 2 moles Cr) = 1.20 moles Al
1.20 moles Al * 26.98 g/mol = 32.4 g Al
Therefore, the number of grams of aluminum required to prepare 125.0 g of chromium metal by the first reaction is approximately 32.4 g.
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"Assign each statement to the corresponding polysaccharide. Chitin Starch Glycogen Cellulose Answer Bank is the storage form of glucose in animals consists of N-acetylglucosa"
Polysaccharides are complex carbohydrates that are made up of multiple monosaccharide units linked together in a chain. They are an important part of our diet and are found in a variety of foods. There are four major types of polysaccharides: Chitin, Starch, Glycogen, and Cellulose. Each type has its own unique characteristics and functions in the body.
Chitin is a polysaccharide found in the exoskeletons of crustaceans, insect cuticles, and other arthropods. It is composed of N-acetylglucosamine units linked together in a chain. Chitin is an important structural component of these organisms and provides them with protection and support.
Starch is a polysaccharide found in plants. It is composed of glucose units linked together in a linear chain. Starch is the storage form of glucose in plants and is an important source of energy for humans.
Glycogen is the storage form of glucose in animals. It is composed of α-1,4-linked glucose units linked together in a large branching chain. Glycogen is stored in the liver and muscles and serves as an important energy source for the body.
Cellulose is a polysaccharide found in the cell walls of plants. It is composed of β-1,4-linked glucose units linked together in a long chain. Cellulose is an important structural component of plants and provides them with strength and rigidity.
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a 4.08 m solution of a weak acid ha is found to have a ph of 1.06. calculate its pka (give your answer to 2 decimal places)
A 4.08 M solution of a weak acid is found to have a pH of 1.06, then it's pKa is calculated as 2.72.
What is pH?In chemistry, pH potential of hydrogen is a scale used to specify the acidity or basicity of an aqueous solution. Acidic solutions have lower pH values than basic or alkaline solutions. Water has neutral pH of 7 which implies that it is neither acidic or basic. The scale ranges from 0 to 14.
− log [H+] = pH= 1.06
[H+] = 10^(-1.06)
=[H+]^2 / [HA]i - [H+]
= (10^-1.06* 10^-1.06) / (4.08 - 10^(-1.06))
Ka = 1.901 *10^-3 M
pKa = - log (Ka)
= - log (1.901 *10^-3)
pKa = 2.72
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Suppose the marble usually rolled right to the end of the box without bouncing off anything, what would this tell you about the size of the targets?
They don't take up much room in the package so because target is so little. The target, which is quite small, stands in for the gold nuclei used in the Rutherford experiment.
What is size and example?The size of a container is 12 inches in length, 6 inches broad, & 5 inches tall. Size is the entire lot of physical area that a people or item occupies. What about size of a coin, the beetle. Equal in size are the twins.
What is size and shape?Shape refers to appearance, figure, or what form something has, such as a triangle with three sides, a square with four equal sides, a rectangle with four sides, etc. Size is defined as a measurement or set of dimensions. Because the notebook is rectangular in shape, its size may be determined by its length and width.
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which color in the rainbow has the longest wavelength? 1. orange 2. blue3. yellow4.green 5. red
Within the visible spectrum, violet has the shortest wavelength while red has the longest.
The colors of the rainbow are known as VIBGYOR, and they are listed below in ascending order of their wavelength: Red, Violet, Indigo, Blue, Green, Yellow, and orange. Red has a wavelength of 700 nanometers, while violet has a wavelength of about 380 nanometers. Since frequency and wavelength are known to be inversely correlated, rays of red light have the lowest frequency and the highest wavelength value.This shows that of all types of radiation, red light waves have the lowest number of waves per second.
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a load has 2.00 a of current flowing through it the voltage across the lload is 8.0V what is the resistance of the load
There is 2.0 an of current flowing through a load. 8.0V of electricity is present across the load. The load has a 4W resistance.
Explain about the resistance?
A circuit's opposition to current flow is measured by its resistance. The Greek letter omega () stands for ohms, which are used to measure resistance. Georg Simon Ohm (1784–1854), a German physicist who examined the connection between voltage, current, and resistance, is the subject of the name "Ohm."
Resistance is the degree to which a substance obstructs or opposes an electric current. Flowing electrons are referred to as electric current. Imagine a person in a busy market who is having difficulty moving from one shop to another. This is a simple approach to illustrate resistance. The ohm is the SI unit for measuring electric resistance. 1 Ω = 1 V/A.
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What is an Experimental Percentage Yield Explained.
The experimental percentage yield is the ratio of the actual yield of the product of a reaction to its theoretical yield multiplied by 100.
What is percentage yield?Percentage yield of a reaction is used to study the efficiency of a chemical reaction. It is the ratio of the actual yield to the theoretical yield multiplied by 100.
The actual yield of a reaction is the experimentally obtained value and it will be less than theoretical yield which is derived from the balanced chemical equation of the reaction.
For example if 5 g be the actual yield of the product in a reaction, but the theoretical or expected yield derived from the equation be 7 g.
then the percentage yield = 5 /7 × 100 = 71.4 %.
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