6CO2 + 12H2O → C6H12O6 + 6O2 + 6H2O is the equation shows the process of photosynthesis.
Photosynthesis is the primary energy-storing process on which almost all life, both plant and animal, depends. The energy from sunlight is stored as chemical energy in organic compounds through a series of light- and temperature-sensitive reactions. Carbon dioxide and water are the raw materials, and the products are sugar and oxygen.
Chlorophyll in green plants absorbs light energy, which activates electrons in special chlorophyll a molecules. These electrons move along a chain of electron carriers, and some of their energy is stored in the production of adenosine triphosphate (ATP).
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A smallest part of the compound that can have the independence existence and that can retain all the properties of that compound is called as molecule.
Yes, the statement is True, A molecule is the smallest part of a compound that can exist independently and retain all the properties of that compound.
It is the basic unit of a chemical substance and can be composed of one or more atoms. The atoms in a molecule are held together by chemical bonds, such as covalent bonds, which can be either single, double or triple bonds, depending on the nature of the atoms and the compound. The properties of a molecule are determined by the type and arrangement of the atoms in it, as well as the nature of the chemical bonds holding them together. Understanding the properties of a molecule is an important aspect in many areas of science, including chemistry, biochemistry, and materials science.
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A smallest part of the compound that can have the independence existence and that can retain all the properties of that compound is called as molecule. State True or False.
How many hydrogen atoms are in each methane molecule CH4 )?
There are 4 hydrogen atoms in each methane having chemical formula CH4.
The 4 hydrogen atoms in Methane is clicked with a single carbon snippet by single bond. In the structure of Methane 4 sigma bond is present so the sp3 hybridisation can be seen in CH4 .The bond length between 4 hydrogen- carbon snippet is 109 pm. It's the simplest of saturated hydrocarbons with a chemical formula CH4. It consists of four hydrogen tittles and one carbon snippet and is the simplest alkane. When natural methane reaches the face of the atmosphere is called atmospheric methane and can be set up under the seafloor as well as below the ground.
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what are compounds that contain ionic bonds called?
what is the change in entropy of the system when the flask of hexanes is boiled?
negative zero positive
The change in entropy of the system when a flask of hexanes is boiled will be positive.
When a substance is heated, the molecules gain energy and move faster. This increases the disorder or randomness of the system, which leads to an increase in entropy. Boiling is a phase transition from liquid to gas, and during this process, the molecules of hexanes go from a relatively ordered state in the liquid phase to a more disordered state in the gas phase. Since entropy is a measure of disorder or randomness, the entropy of the system increases as the hexanes boil. Therefore, the change in entropy of the system when a flask of hexanes is boiled is positive.
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According to the data in the table one effect of injecting vitamin b into chicken egg is that it
According to the data in the table, one effect of injecting vitamin B into the chicken eggs is that it increases the number of eggs hatching on the 21st day. The correct option is 3.
What is vitamin B?Vitamin B supports the functions of several enzymes, including those that release energy from fat and carbohydrates, break down amino acids, and transport oxygen and nutrients that contain energy throughout the body.
At hatching, the 21st day's hatchlings were all weighed and measured. So, by vitamin B, the number of eggs hatching will increase.
Therefore, the correct option is 3) increase the number of eggs hatching on the 21st day.
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The question is incomplete. Your most probably complete question is given below:
In an experiment using chicken eggs, 100 fertilized eggs
were injected with a saline (salt) solution containing vitamin B
during day 1 of their incubation period. At the same time, a
second group of 100 fertilized eggs was injected with a plain
saline solution. All the chicks that hatched on the 21st day
were weighed and measured at hatching. The results are
recorded in the data table below.
According to the data in the table, one effect of injecting
vitamin B into chicken eggs is that it:
1) changes the amount of yolk stored in the egg
2) produces larger eggs
3) increases the number of eggs hatching on the 21st
day
4) increases the incubation period
what is the most likely ionization state of alanine at ph 11 ?
The alanine molecule has a net negative charge at pH 11, where the amine exists as a neutral base and the carboxyl serves as its conjugate base.
The amino acid alanine is necessary for the synthesis of proteins. Vitamin B-6 and tryptophan are broken down using it. It provides the central nervous system and muscles with energy. It helps the body use glucose and boosts the immune system.
The alanine chemical structure reveals that the backbone is made up of two functional groups: the carboxyl group (COOH C O O H) and the amino group (NH2 N H 2), as well as a carbon atom attached to the side chain, CH3 C H 3.
The majority of proteins contain a large amount of the glycogenic amino acid alanine. Alanine can also be produced from other amino acids, particularly branched chain amino acids (BCAA) like valine, leucine, and isoleucine.
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High atmospheric stability could also be one of the factors in the typhoon formation
Yes, high atmospheric stability may also play a part in typhoon genesis. The stability of the atmosphere depends on its ability to resist vertical motion.
Vertical mobility is difficult in a steady environment because little vertical disturbances dampen down and disappear. An atmospheric stability environment tends to cause small vertical air motions to increase, resulting in turbulent airflow and convective activity. creating a typhoon Typhoons develop in a manner akin to how conventional ring bells do. They start by evaporating molecules of oceanic water since this moist air is heated. They continue to rise until they hit frigid air. Rain showers result from them starting to condense and grow into clouds. The clouds begin to dissipate once the rain stops.
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What is the atom 1 of CH4?
The number of the atom in the 1 mole of the methane that is CH₄ is the 6.022 × 10²³ atoms.
Given that :
The number of the moles of the CH₄ = 1 mole.
The value of the 1 mole = the number of the atom presents exactly in the 12 g of the pure carbon atoms.
The number of the atoms in the 1 mole of the substances = 6.022 × 10²³ atoms.
Therefore, the number of the atoms present in the 1 mole of the the CH₄ is 6.022 × 10²³ atoms. The number is called as the Avogadro's no. The Avogadro's number = 6.022 × 10²³ .
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experiment 4: in the double-displacement reaction, which observation describes what happened when the contents of the two beakers were mixed?
When the two beakers were mixed, then: The color of the mixture changed.
When the contents of the two beakers were mixed, a double-displacement reaction occurred. Double-displacement reactions often result in the formation of two new compounds, each with different colors than the original reactants. As a result, the color of the mixture would change to reflect the formation of the two new compounds.
Double-displacement reactions involve two reactants exchanging ions with each other. When two reactants are mixed, they form two new compounds, each with different properties than the original reactants. In a double-displacement reaction, the reactants exchange ions, leading to the formation of two new compounds. This exchange of ions can cause a change in the color of the mixture.
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Does 1 mole equal 6.022 x1023 particles atoms?
Yes , 1 mole equal 6.022 × 10²³ particles atoms. the value of the one mole is equals to the 6.022 × 10²³ atoms.
The number of the atoms in the 1 mole of the substance is given as below :
The number of the atoms in 1 mole = 6.022 × 10²³ atoms.
The number of atoms that is 6.022 × 10²³ atoms is called as a Avogadro's number. The Avogadro's number is the number of the units in the one mole of the any substance.
Thus, there are the 6.022 × 10²³ atoms called as Avogadro's number in the one mole.
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How do you find the number of carbon atoms in a compound?
The number of carbon atoms in the main chain of a certain compound is five because the aldehyde group (here acting as a substitute) and the double bond must be given the smallest number.
Therefore, the numbering starts with the group COOH and ends with the number CH3 which also includes the group CHO.
In the dehydration of secondary and tertiary alcohol, when there is a possibility of formation of two isomers, the hydrogen atom is preferentially eliminated from the number of hydrogen atom, This is Saytzeff’s rule.
Dehydrohalogenation of alkyl halides: It involves removal of halogen atom along with β-hydrogen atom on heating with alcoholic solution of potassium hydroxide
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Is lead and oxygen ionic?
Lead and oxygen are ionic and form ionic bond. Ionic bonds is also called electrovalent bonds because the bond is made between the atoms with opposite charges and the forces acting between them s electrovalent force. Ionic bonds of oxygen and lead is that they transfer two electrons per atom between them to make an ionic bond.
Ionic bond is the force that is generated between the two charged species and it is particular that one has excess of electrons and the other one has loss of electrons so that they can generate opposite charges between them in order to attract them to each other. this is the strongest force between the atoms. ionic bonds have the most attractive force in the atom and the most strong it. by this primary information, we can firmly consider that ionic bonds are called electrovalent bonds because the bond is made between the atoms with opposite charges and ionic bonds of oxygen and lead is that they transfer two electrons per atom between them to make an ionic bond.
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900 ml of water is added to 100 ml of a 0.1 m solution. what is the new concentration?
Answer:
1.0m
Explanation:
Does lead react with oxygen?
Yes, lead does react with oxygen to form lead oxides (which are ionic compounds).
Ionic compounds, themselves neutral in nature, are formed due to the formation of electrostatic linkages (called ionic bonds) between positively charged cations and negatively charged anions. Lead is a metal and oxygen is a non metal. They react to form oxides of lead (lead oxides) which are ionic copounds. Known oxides of lead are : PbO (lead monoxide), PbO2 (lead dioxide) and Pb3O4 (trilead tetroxide). In lead monoxide, lead is in +2 oxidation state. In lead dioxide, lead is in +4 oxidation state. In trilead tetroxide, average oxidation number of lead seems to be 8/3 , but the real oxidation state of would be different, as here, two lead molecules are linked in a molecule. Therefore, to know its oxidation state, we need to know its structure. Ionic bonds are formed by donation of electrons. In these cases, the metal - lead (Pb) donates electrons to Oxygen.
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I'm genuinely confused , pleas explain:
More than 100 years after Fredrick Mohs developed the Mineral Hardness Scale, Robert Smith and George Sandland invented the Vickers Hardness Test for metals. Which scientist(s) correctly used science to develop their scale?
Answer:
Fredrick Mohs
Explanation:
Its just right G
progress: 3/5 groups question content area the ph dependence of the rate of the reaction catalyzed by the enzyme fumarase shows that the rate is very low at ph 5, it is maximal at ph 6.5, and it is very low at ph 9. this ph dependence is due to ionization of important amino acid residues in fumarase or in the substrate of the reaction, fumarate. true false
“The pH dependence is due to ionization of important amino acid residues in fumarase or the substrate of the reaction, fumarate.” This statement is: true.
What causes the pH dependence in an enzyme?Enzyme is a biocatalyst that helps fasten some specific reactions. To work, enzymes have a pH optimum. This is because the important amino acid residues in the enzyme need to be in a particular ionization state, as well as the substrate. By changing the pH, their location can be affected. There is certain pH where an enzyme works better, which is called pH optimum. Hence, the statement is true.
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Double Replacement Net Ionic Equation: write the net ionic
equation for the following double replacement reactions.
NaOH + MgBr2 2MgH + 1NaOBr2
The net ionic equation for the following double replacement reactions is Mg²+[tex]\rightarrow[/tex]2 Mg as all the ions present on reactant and product side which will get cancelled.
What is ionic equation?Ionic equation is defined as a chemical equation which represents electrolytes in aqueous solutions and are expressed as dissociated ions. Ions present in aqueous solutions are stabilized by ion dipole interactions with the water molecules which are present.
An ionic equation can be written for any electrolyte which dissociates and reacts with the polar solvent. In a balanced ionic equation , number and type of atoms on each sides of reaction arrow are same. Even the net charge on both sides of the arrow is same.
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The density of gold is 19. 32 g/cmº at 20 °C. What is the volume of 50. 00 grams of gold?
A. 2. 588 cm
B. 2. 6 cm
C. 966. 0 cm
D. 96. 6 cm
The volume of 50.00 grams of gold is 2.588 cm³.
What is volume?Volume is the amount of space that an object or substance occupies. It is measured in units such as liters, cubic meters, gallons, and milliliters. Volume is an important concept in mathematics and is used in many areas of science, engineering, and technology. It is also used to measure the capacity of containers and other objects. Volume is a scalar quantity, meaning it is a single number with no direction associated with it. Volume is related to density, which is the mass of an object divided by its volume.
To find the volume of 50.00 grams of gold, we need to use the density formula: volume = mass/density. So, the volume is calculated as follows: volume = 50.00 g/19.32 g/cm³ = 2.588 cm³. Therefore, the volume of 50.00 grams of gold is 2.588 cm³.
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Predict the product(s) of this reaction: (Don't worry about balancing)
C2H4 + O2
Explanation:
c2h4+3o2.........2co2+2h2o
when stating the scientific name of an organism, which 2 levels of classifcatipn are included? provide an example
When stating the scientific name of an organism Generic name, Specific epithet are 2 levels of classifcatipn are included.
What two categorization levels are used to scientific names?The Binomial Naming System is a two-name system used by scientists. The system used by scientists to identify plants and animals defines the genus and species of the creature. The genus appears first, followed by the term species.Each species' scientific name consists of a particular name (generic epithet) and a generic name (specific epithet).The first part of the name refers to the name of the genus, while the second part refers to the species found in that genus. I warn you that the scientific name of an organism actually consists of three components, not just two, in order to be totally right, which is what the FAQ aspires to be at all times.To learn more about scientific name refer to:
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At what temperature will objects have the same kinetic energy?
Answer:
Explanation: Kinetic energy is the energy of motion, so this makes sense – as things heat up, they move faster. All gases at the same temperature have the same average kinetic energy. A gas’s temperature is a measure of the average kinetic energy of its particles. So if two gases are at the same temperature, they must have the same average kinetic energy.
you have 5 molof liquid water (h2o). (a) what volume in liters is occupied by this amount of water? (b) how many molecules are in this amount of water? (c) what is the volume per molecule? (d) if, on average, the molecules are uniformly spaced, with each molecule at the center of a small cube, what is the length of an edge of each small cube. the cubes touch but do not overlap?
You have 5 mol of liquid water (H₂O). The volume that occupied by this amount of water is 90 m³. 3.011 x10²³ There are molecules are in this amount of water. volume per molecule is 3 x 10⁻²³ m³. The length of the edge of each small cube is "equal" to the diameter of a molecule.
The volume can be found using the following formula:
V = nM/P
where,
V = volume occoupied
n = no. of moles = 5 mol
M = molar mass = 18 g/mol
ρ = density of water = 1 g/m³
Therefore,
V = nM/P
V= (5moles x1 8g/ moles)/1 g/m³
V = 90 m³
Then we can find the amount of mole cule in this amount of water
number of molecule = moles x avogadro's number
number of molecule = 5 moles x 6.022 x 10²³ = 3.011 x 10 ⁻²⁴
then, we can find the volume of an individual molecule:
volume of individual molecule = volume of water/ number of molecule
volume of individual molecule = 90 m³/ 3.011 x 10 ⁻²⁴ =3 x 10⁻²³
This volume can be given as a volume of the sphere:
Vi =4/3πr²
3 x 10⁻²³ =4/3πr²
r = 4.15 x 10⁻⁷ m
Diameter = d = 2r = 2(4.15 x 10⁻⁷ m)
d = 8.3 x 10⁻⁷ m = 83 μm
since the cubes are adjacent to each other. Therefore, the diameter will be equal to the edge length.
Edge Length = L = d
L = 8.3 x 10⁻⁷ m = 83 μm
The molecule's diameter is the same as the edge length.
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What state of matter is a sample at 1.0 atm and 85C
Matter are anything that is made up of atoms. The quantity of matter can be observed only on the basis of mass and volume calculation. Therefore, the correct option is option B.
What is matter?Matter is a substance that has some mass and can occupy some volume. The matter is mainly used in science. Matter can be solid, liquid or gas.
Matter is anything that is made up of atoms. Anything around us that can be physically seen and touched are matter. Ice, water and water vapors are example of matter.
So as we saw that matter has some mass so mass can be measured in gram only. Mass can also be represented as number of molecules. We also saw that matter occupy some volume and that volume is measured only in liter. In the given phase diagram, region C represents gas phase.
Therefore, the correct option is option B.
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Answer: A. Liquid
Explanation:
Consider a process that occurs at constant volume. The initial volume of gas is 2. 30 L , the initial temperature of the gas is 26. 0 °C , and the system is in equilibrium with an external pressure of 1. 2 bar (given by the sum of a 1 bar atmospheric pressure and a 0. 2 bar pressure due to a brick that rests on top of the piston). The gas is heated slowly until the temperature reaches 51. 2 °C. Assume the gas behaves ideally, and its heat capacity at constant volume is: CV,m=14. 2J/(K. Mol)Part AWhat is the value of w? (J)Part BWhat is the value of q? (J)Part CCalculate ΔUPart DCalculate Δ H. Remember the definition of enthalpy: H=U+pV, which applied to a process becomes ΔH=ΔU+Δ(pV)
A: The work (w) done by the system is equal to 0 J, as this process occurs at constant volume.
B: The heat (q) absorbed by the system is equal to 6660 J.
C: The change in internal energy (ΔU) is equal to 6660 J.
D: The change in enthalpy (ΔH) is equal to 6660 J, as the change in pressure-volume work is equal to 0 J in a constant volume process.
Part A: The work (w) done by the system can be calculated using the equation w = -pΔV. As the process occurs at constant volume, the change in volume (ΔV) is equal to 0. Therefore, w = 0 J.
Part B: The heat (q) absorbed by the system can be calculated using the equation q = ΔU + w. As the work done by the system is equal to 0 J (calculated in Part A), the heat absorbed by the system can be calculated as q = ΔU.
The change in internal energy (ΔU) can be calculated using the equation ΔU = nCvΔT, where n is the number of moles of gas and Cv is the molar heat capacity at constant volume.
Using the given values, we can calculate the number of moles of gas as n = PV/RT, where P is the pressure, V is the volume, R is the gas constant, and T is the temperature.
Therefore, n = (1.2 bar x 2.30 L) / (8.314 J/K.mol x 298.2 K) = 0.0316 mol.
Plugging this value into the equation for ΔU, we get ΔU = 0.0316 mol x 14.2 J/K.mol x (51.2°C - 26°C) = 6660 J.
Part D: The change in enthalpy (ΔH) can be calculated using the equation ΔH = ΔU + Δ(pV). As the process occurs at constant volume, the change in pressure-volume work is equal to 0 J. Therefore, ΔH = ΔU = 6660 J.
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Does CO2 react with O2?
No CO2(Carbon dioxide) doesn't react with O2 in ordinary circumstances due to CO2's Thermodynamic stability.
What is Carbon dioxide?When one carbon atom is covalently linked with the two oxygen atoms in each of the molecules which makes up carbon dioxide (CO2). Generally At room temperature, it exists as a gaseous state. In the atmosphere, carbon dioxide serves as a greenhouse gas as it results in absorbing infrared radiation despite being transparent to visible light.
Carbon dioxide has the following few specifications:
Formula: CO2Molar mass: 44.01 g/molBoiling point: -78.46 °CTriple point temperature: -56.6 °CSoluble in: WaterClassification: Acidic oxideTo know more about carbon dioxide visit
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if you a had a mole of soft drinks how many times could you cover the surface of the earth
Answer: Not possible
Explanation: A mole is a unit of measurement in chemistry used to express the amount of a substance. One mole of a substance is equal to Avogadro's number of particles, which is 6.0022X10^23.
A soft drink is a liquid beverage that contains sugar, caffeine or other stimulants, and other ingredients such as carbonated water and artificial flavors. The volume of a soft drink is usually measured in liters.
The surface area of the earth is about 510.1 million square kilometers. TO find out how many times a mole of soft drink can cover the surface of the earth, We need to know the volume of a mole of soft drink and convert it to square kilometers. However, it's impossible to know the volume of a mole of soft drink without knowing the density of the specific beverage.
Amole is a unit of measurement that is used to express the amount of a substance, it;s not related to the volume or surface area of a physical object like the earth. so it's not possible to know how many times a mole of soft drink could cover the surface of the earth.
what is the empirical formula for C4O8
Answer:C097
Explanation:
which type of bond must be broken for water to vaporize? group of answer choices polar covalent bonds hydrogen bonds both hydrogen bonds and ionic bonds ionic bonds both polar covalent bonds and hydrogen bonds
During evaporation, for the water molecules to escape as gas, it needs to break hydrogen bonding between molecules.
Various special properties exhibited by water is due to the presence of hydrogen bonding. When in liquid form, hydrogen bonds are continuously formed and breaks when the molecules moves. Hydrogen bonds breaks as a result of kinetic energy which makes the molecules move in the system. As the temperature is increased kinetic energy increases and these hydrogen bonds are completely broken and escapes as water vapor.
It requires as much heat to break the hydrogen bonds, as much as increasing the temperature. Due to hydrogen bonds water has high specific heat capacity and also high heat of vaporization.
So to vaporize, hydrogen bonds between water molecules must be broken.
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one type of chemical bond forms by the attraction between ions and ions.
The ionic bond is the chemical bond formed by the attraction between ions and ions.
Ionic bonds, also known as electrovalent bonds, are a type of linkage created in a chemical molecule by the electrostatic attraction of ions with opposing charges. When the valence (outermost) electrons of one atom are permanently transferred to another atom, a bond of this kind is created.
Ions (cations) are negatively charged when an atom gets electrons and positively charged when an atom loses electrons (anion).
An ionic bond is essentially the most extreme form of a polar covalent bond, with the latter occurring when electrons are shared unevenly as opposed to fully. Covalent bonds arise when the electronegativities of the two atoms are similar, but ionic bonds often form when there is a large difference.
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Help Would be Much Appreciated :D
In the following reaction:
2NaClO4 2Na + Cl2 + 4O2
How many moles of O2 will be produced when 15.6 moles of NaClO4 decompose?
15.6 moles of NaClO4 will produce 62.4 moles of O2.
How many moles of O2 will be created by the breakdown of 15.6 moles of NaClO4?When 15.6 moles of NaClO4 decompose, the equation tells us that 4 moles of O2 will be produced for every 2 moles of NaClO4.Therefore, we can calculate the number of moles of O2 as follows: 15.6 moles of NaClO4 multiplied by 2 (moles of O2 per 2 moles of NaClO4) equals 31.2 moles of O2. This means that when 15.6 moles of NaClO4 decompose, 31.2 moles of O2 will be produced.The reaction can also be viewed as a mole ratio. We can take the coefficients in the balanced equation and convert them into a mole ratio. In this case, the mole ratio is 1:2:4, with NaClO4 being the first element, Na the second element, Cl2 the third element, and O2 the fourth element.This means that for every 1 mole of NaClO4 decomposed, 2 moles of Na and 4 moles of O2 will be produced. This can be used to calculate the number of moles of O2 produced when 15.6 moles of NaClO4 decompose.15.6 moles of NaClO4 multiplied by 4 (moles of O2 per 1 mole of NaClO4) equals 62.4 moles of O2. Therefore, when 15.6 moles of NaClO4 decompose, 62.4 moles of O2 will be produced.To learn more about NaClO4 decompose refer to:
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