determine the limiting reactant and calculate the number of grams of sulfur dioxide, so2, that can be formed when 27.3 g of methane thiol, ch3sh, reacts with 38.6 g of oxygen, o2. ch3sh(g) 3 o2(g) → 2 h2o(g) co2(g) so2(g)
As a result of the reaction between oxygen and methanethiol (CH_3SH), 25.8 grams of sulfur dioxide (SO_2) are produced, and the limiting reactant is oxygen (O2).
This is further explained below.
What is a chemical reaction?A process that results in the change of one set of chemical substances into another set of chemical substances is referred to as a chemical reaction.
Generally, the equation for the chemical reaction is mathematically given as
[tex]\mathrm{CH}_3 \mathrm{SH}(g)+3 \mathrm{O}_2(g)+2 \mathrm{H}_2 \mathrm{O}(g)+\mathrm{CO}_2(g)+\mathrm{SO}_2(g)[/tex]
[tex]Number \ of \ moles = \frac{ Given \ mass}{Molecular \ mass}[/tex]
moles of methanethiol=[tex]\frac{27.3}{48.11}[/tex]
moles of methanethiol=0.56moles
moles of oxygen [tex]= \frac{32.01}{38.6}[/tex]
moles of oxygen [tex]= 0.82 moles[/tex]
Considering the response,
When one mole of CH_3SH interacts with three moles of O_2, one mole of SO_2 is produced.
As a result, 0.56 moles of CH_3SH undergo a reaction, which results in 0.56 moles of SO_2 being produced.
0.56 grams of SO_2 are created, which is equal to 35.86 grams.
moles of SO₂ [tex]= \frac{35.86}{ 64.06}[/tex]
moles of SO₂ = 0.55 moles
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the ksp for mn(oh)2 is 2.0 x 10-13. at what ph will mn(oh)2 begin to precipitate from a solution in which the initial concentration of mn2 is 0.10 m? note: ph
You are aware that the dissociation equilibrium for Manganese hydroxide appears as follows.
Mn(OH)2(s]⇌Mn2+(aq]+2OH−(aq]
The formula for the solubility product constant, Ksp, is Ksp=[Mn2+][OH].2
Rearrange to determine the hydroxide anions' concentration [OH]=Ksp/[Mn2+].
Enter your values to obtain
[OH−]=√1.0⋅10−110.1\s=√1.0⋅10−10=10−5M
As you are aware, you may calculate the solution's pOH using the concentration of hydroxide anions: pOH=log([OH]; pOH=log(105)=5
Lastly, make use of the correlation between pH and pOH at room temperature.
To determine the pH of the solution, use pH=145=9 + pOH.
As a result, the solution will be unsaturated for pH values lower than 9. The solution gets saturated and the magnesium hydroxide begins to precipitate after the pH of the solution reaches 9.
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What is the energy of a 4.25 x 10^8 Hz wave?
The energy of a 4.25 × 10⁸ Hz wave is 2.816 × 10-²⁵ J.
How to calculate energy?The energy of a wave can be calculated by multiplying the frequency of the wave by Planck's constant as follows:
E = hf
Where;
E = energy (J)H = Planck's constant (J/s)f = frequency (Hz)According to this question, the frequency of a wave is given as 4.25 × 10⁸ Hz. The energy, if the Planck's constant is 6.626 × 10-³⁴ J/s, can be calculated as follows:
E = 6.626 × 10-³⁴ × 4.25 × 10⁸ Hz
E = 2.816 × 10-²⁵ J
Therefore, the energy of the wave is 2.816 × 10-²⁵ J.
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Which type of magnet is used to turn motors on and off?
Responses
temporary
permanent
electromagnet
natural
Answer:
Electromagnet
Explanation:
The motorcycle relies on energy to keep it going on and the energy it needs comes from that. :)
How many moles of atoms are there in 8.674
x1023 atoms Ne?
Answer in units of mol.
Answer:
great question
Explanation:
what are the 3 specific ways an object can accelerate
Answer:
increasing speed, decreasing speed, or a change in direction.
Explanation:
i hope this helps
which of the following is not a part of the ideas john dalton proposed in his model
The following which is not a part of Dalton atomic theory is the properties of atoms of the same elements can be different . Thus option B is correct.
What is Dalton atomic theory?Dalton has proposed his theory in three parts and each part stated that
The first portion of his theory asserts that all stuff is made up of indivisible atoms.
According to the second section of the theory, all atoms of a given element have the same mass and characteristics.
Compounds, according to the third section, are combinations of two or more different types of atoms.
Dalton has given three laws
Law of conservation of massLaw of definite proportionLaw of multiple proportionThus, the following which is not a part of Dalton atomic theory is the properties of atoms of the same elements can be different . Thus option B is correct.
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Your question is incomplete, but your complete question was
which of the following is not a part of the ideas john dalton proposed in his model
A. All matter is composed of indivisible atoms.
B. The properties of atoms of the same element can be different.
C. Compounds form when atoms combine in whole number ratios.
D. An atom can neither be created nor destroyed.
poopxpoop equals 1111111111111111111222222222222222233333333333333333333 go
The two
stages of photosynthesis in plants showing their chemical reactions
Answer:
absorption of light and Carbon Fixation
Explanation:
the two electrodes of an electrolytic cell are placed in a sample of molten zinc iodide. after a time, reddish-brown i2(s) begins to form at one electrode while gray zn(s) deposits on the other.
In the given electrolytic cell setup having molten zinc iodide as the electrolyte, reduction of zinc ions to gray coloured zinc occurs at the cathode, whereas iodide ions get oxidized to reddish-brown iodine at the anode.
An electrolytic cell is a type of electrochemical cell that uses an external source of electrical energy to power a chemical process that would not occur otherwise. This contrasts with a galvanic cell, which serves as a power source and the cornerstone of a battery.
Any apparatus in which electrical energy is changed into chemical energy or vice versa is an electrolytic cell. Such a cell normally consists of two electrodes, which can be metallic or electronic conductors, kept apart from one another and in contact with an electrolyte, which is commonly an ionic substance that has been dissolved or fused.
In the given setup, the molten zinc iodide is the electrolyte, and the half reactions occurring at the two electrodes of the electrolytic cell are:
Half reaction at the cathode:
[tex]Zn^{2+} (l) + 2e^- \rightarrow Zn (s)[/tex]
Half reaction at the anode:
[tex]2I^- (l) \rightarrow I_2 (s) + 2e^-[/tex]
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A 118.0 g sample of a compound contains 72.0 g of C. 18.0 g of H, and 28.0 g of N.
Which of the following is the empirical formula of the compound?
The empirical formula of the compound with 72.0 g of C. 18.0 g of H, and 28.0 g of N is C₃H₉N.
How to calculate empirical formula?Empirical formula of a compound indicates the ratios of the various elements present in a compound, without regard to the actual numbers.
The empirical formula of a compound can be calculated as follows:
C = 72.0g H = 18.0g N = 28.0gFirst, we divide by the atomic mass of each element as follows:
C = 72.0g ÷ 12 = 6molH = 18.0g ÷ 1 = 18 molN = 28.0g ÷ 14 = 2molNext, we divide by the smallest mole as follows:
C = 6mol ÷ 2 = 3
H = 18 mol ÷ 2 = 9
N = 2mol ÷ 2 = 1
The empirical ratio is 3:9:1, hence, it can be said that the empirical formula is as follows: C₃H₉N.
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A sample of 0. 02 mol of oxygen has a temperature of 399 k and a volume of 5. 00 l. What is its pressure?.
The Pressure is 0.1309 atm.
What is Pressure?
The force applied perpendicularly to an object's surface per unit area about which that force has been distributed is known as pressure. In comparison to the surrounding pressure, gauge pressure is the pressure. Pressure is expressed using a variety of units. Some of these come from dividing a unit of force by a unit of area; the traditional unit of pressure inside the imperial and U.S. customary systems is the pound-force per square inch (psi), which is equivalent to one newton per square metre (N/m2) in the SI. The atmosphere (atm), which is equal to the this pressure, as well as the torr, which is defined as 1760 of this, are two other ways to express pressure.
Given,
Number of moles n = 0. 02 mol
Temperature T = 399 k
Pressure P = ?
Volume V = 5L
Ideal gas constant R = 0.08206L atm/mol K
Number of moles
n = P V/R T
0. 02 = P × 5/0.08206 × 399
0.02 = P × 5/ 32.741
0.65482 = P × 5
P = 0.1309 atm.
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Think about the animals in an arctic ecosystem. How would those animals adapt over time if global temperatures rise over the next several hundred years?
Given the fact that we are seeing a rise in the temperature of the globe, the artic animals in that ecosystem must adapt by a reduction in the rate of metabolism.
What is global warming?Several evidences continue to emerge that the temperature of the earth have continued to increase and this is largely due to the fact that since the turn of the twentieth century and the rise of industrialization, there have been a rise in the emission of the carbon dioxide and other green house gases into the environment. As a result of this, the temperature of the earth has continued to rise steadily leading to the melting of the ice cover and the destruction of ecosystems that are found around the artic regions of the earth.
Now, we know that an organism is able to adapt to the changes that occur in its habitat by being able to alter some of its structure and function.
Given that the organisms that live in the artic are adapted to cold regions and low temperatures, the metabolic rate of the organisms is high in order to produce heat.
As a result of the rise in global temperatures, the organisms would have to reduce their rate of metabolism.
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A photon has an energy of 8.42 eV.
What is its frequency?
Hint: 1 eV = 1.60 x 10-19 J
Answer: The frequency is given by:
Photon energy is 8.42 eV
By Planck's relation:
E= hv (h is the Planck's constant and v is the frequency)
v= E/h
1 eV = 1.60×10-19J
E= 8.42× 1.6×10-19 Joules
h = 6.62×10-34 Joule/Hz
Substituting the values in the above formula
v = (8.42×1.6×10-19) /(6.62×10-34)
Frequency = 2.035×10(power) +15 Hertz
Explanation:
Firstly we convert energy into Joules then we have to just substitute given values to get our answer. The equation or formula we are using to solve this particular question is Planck's relation.
WILL GIVE BRAINLIST AND 20 POINTS
Which of the following has the largest ionic radius?
Mg 2+
S 2-
F -
The largest ionic radius is strontium.
Barium +2 has the largest ionic radius because the atomic number of barium is 56. This means that the form of barium is larger than Ca +2, Mg +2. All these ions are isoelectronic as they contain 18 electrons each. For isoelectronic ions, the positive nuclear charge is small and the ion size is large. The electron cloud expands, increasing the size of negative ions. Therefore, the correct order of increasing ionic radius is Mg2+
The ionic radius increases within the group. In the next option, strontium has the largest ionic radius because the elements placed in the periodic table are beryllium magnesium calcium and strontium. These elements belong to the alkaline earth metals. Both structural analysis and solvation energy calculations together indicate that Li+ adopts a rigid solvation structure.
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Which of the following has the highest conductivity ? a. 0.10 M copper (II) sulfate b. 0.10 M calcium hydroxide c. 0.10 M potassium iodide d. 0.10 M chloric acid e. 0.10 M nitrous acid
Answer:
Explanation:
Copper Sulfate
If copper (ii) sulfate solution and an iron nail are in contact, a replacement reaction occurs. what would the products of the reaction be? 2fe 3cuso4 → ? 2fe 3cuso4 fe2(so4)3 3cu 2fe 3cu 3s 3o4
The result of the replacement reaction [tex]2Fe +3 CUSO_{4}[/tex] is [tex]2Fe(SO_{4} )_{3} + 3 Cu.[/tex]
Reaction[tex]2Fe +3 CUSO_{4} ----------- > 2Fe(SO_{4} )_{3} + 3 Cu.[/tex]
the above reaction is a Displacement reaction.
Displacement reaction.
When an atom or group of atoms in a molecule is replaced by another atom, this is referred to as a displacement reaction. For instance, copper metal is displaced when iron is added to a solution of copper sulfate.
What causes a displacement response to happen?When one element replaces another in a compound, it causes a single displacement reaction. Neither metal nor a nonmetal may be used as a substitute for another metal. Only a more reactive component of the chemical it reacts with can take the place of the other component.
How about an illustration of double displacement?A new insoluble ionic compound is created by a precipitation reaction between two aqueous ionic compounds. The reaction between lead (II) nitrate and potassium iodide to produce (soluble) potassium nitrate and (insoluble) lead iodide is illustrated below.
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how do two sublevels of the same principal energy level differ from each other?
Two sublevels of the same principal energy level differ from each other through shape and size.
There are mainly 4 energy level s, p, d and f.
The s level has one orbital and one orbital have two electrons. So the maximum number of electron in s sublevel is 2.
The p level has three orbital and one orbital have two electrons. So the maximum number of electron in s sublevel is 6.
The d level has five orbital and one orbital have two electrons. So the maximum number of electron in s sublevel is 10.
The f level has 7 orbital and one orbital have two electrons. So the maximum number of electron in s sublevel is 14.
They may be differ in magnetic level.
Thus, we concluded that Two sublevels of the same principal energy level differ from each other through shape and size.
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An invasive species is a species that disrupts the ecosystem into which it is introduced by displacing species.
An existing ecosystem can suffer from damage from invasive species in many different ways, such as shifting habitats and depriving native creatures of food and resources.
What is an invasive species?An invasive species is an organism that damages the environment or the economy in a new location in which it is not native. Invasive species may disrupt the food chain of a ecosystem by killing or substituting natural food sources. The invasive species could provide little to no food value to wildlife.
What is an example of a invasive species?Accidental introduction of invasive species into a new area is common. In Central Asia, the Black Sea and the Caspian Sea are home to zebra mussels. Zebra mussels accidently made their way to the Great Lakes of North America after becoming affixed to massive ships that sailed between the two areas.
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after separating your partition samples in the burettes, you add 3 drops of ferric chloride to the pre/post-partition salicylic acid solutions. you notice that the pre-partition solutions turned a much more vibrant purple color than their respective post-partition solutions. this suggests that:
The more vibrant purple color of the pre-partition solution suggests that the concentration of salicylic acid is higher in the pre-partition solution than in the post-partition solution because of the complex formed.
Ferric chloride (orange in color) interacts with phenolic hydroxy groups by creating a complex that has a strong purple color. The intensity of the color is proportional to the concentration of the phenol. Because salicylic acid contains a phenolic hydroxy group, its solution will also turn purple upon the addition of ferric chloride. If the pre-partition sample has a more vibrant color, then this means that the concentration of salicylic acid in it is significantly higher, which can then inform us on the effectiveness of the separation and partition process.
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Write the balanced formula, complete ionic, and net ionic equations for each of the following acid–base reactions.
The ionic equation of the reaction of HNO₃ and aluminum hydroxide:
3 H⁺ (aq) + Al(OH)₃ (s) → 3H₂O (l)
What are the net ionic equations?
The net ionic equation of a reaction is an equation that represents only those elements, ions, or compounds, that directly contributed to the occurrence of the chemical reaction.
The ions which do not participate are mentioned in the complete ionic equation but eliminated from the net ionic equation and are called spectator ions.
The balanced chemical equation of the reaction of nitric acid and aluminum hydroxide.
3 HNO₃ (aq) + Al(OH)₃ (s) → 3H₂O (l) + Al(NO₃)₃ (aq)
As the aluminum hydroxide (Al(OH)₃) does not dissolve in nitric acid. In the complete ionic equation, it does not dissociates into ions.
3 H⁺ (aq) + 3NO₃ (aq) + Al(OH)₃ (s) → 3H₂O (l) + Al³⁺ (aq) + 3NO₃⁻ (aq)
In the complete ionic equation, the nitrate ions appear unchanged on both sides of the equation. Therefore, the nitrate ions do not participate in the reaction and can be eliminated from the ionic equation to get the net ionic equation.
3 H⁺ (aq) + Al(OH)₃ (s) → 3H₂O (l)
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Your question is incomplete, the most probably complete question was,
Write the balanced, complete ionic, and net ionic equations for the following acid-base reaction.
HNO₃ (aq) + Al(OH)₃ (s) →
Draw the structure of NO3− . Draw the ion by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Use square brackets to denote the overall charge.
Structure of NO₃⁻ has overall charge [NO₃]⁻ is -1
The molecular structure of a compound depicts the atoms of a molecule with their charges and their lone pairs of electrons and this is also called as lewis dot structure where the molecules are drawn showing their bonds represented by lines or dots and the non-bonding pairs of electrons represented by dots not between atoms and has overall charge [NO₃]⁻ is -1
Structure of [NO₃]⁻ on by placing atoms on the grid and connecting them with bonds include all lone pairs of electrons are shown below
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What is the molarity of na+ ions in a solution of 25.0 ml of 1.25 m nacl and 145 ml of 0.550 m na2so4 and 30.0 ml of 0.225 m na3po4? assume the volumes are additive.
By taking into account the different numbers of sodium ions released by different salts upon dissociation, we can calculate that the final molarity of sodium salts is 0.1055 M.
To calculate the total molarity of the sodium ions in the new solution, we must calculate the number of moles of sodium ions in the first, second, and third solutions, add them up and divide them by the total volume of the new solution.
First solution - 1 mol of sodium chloride releases 1 mole of sodium ions upon dissociation, so the amount of sodium ions will be equal to the amount of sodium chloride:
c = n/V ⇒ n = c*V = 1.25 M * 0.0250 L = 0.03125 mol
Second solution - 1 mol of sodium sulfate releases 2 moles of sodium ions upon dissociation, so the amount of sodium ions will be double the amount of sodium sulfate:
n = 2c*V = 2 * 0.550 M * 0.145 L = 0.1595 mol
Third solution - 1 mol of sodium phosphate releases 3 moles of sodium ions upon dissociation, so the amount of sodium ions will be triple the amount of sodium phosphate:
n = 3c*V = 3 * 0.225 M * 0.0300 L = 0.02025 mol
The final molarity of sodium ions:
c = n/V = (0.03125 mol + 0.1595 mol + 0.02025 mol) / (0.0250 L + 0.145 L + 0.0300 L) = 1.055 M
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IS THIS CORRECT??? I NEED HELPPP. IM GIVING BRAINLEST
Answer:carbon should be D, hydrogen should be A, magnesium is correct,oxygen is also correct.
Explanation:I’m sorry if this is wrong but I looked it up to see if it was correct or not
A student determined the mass of a piece of magnesium ribbon. It was 3.0 g. She then burned the ribbon in oxygen and collected all the pieces of white ash (magnesium oxide). She measured the mass of the ash and it was found to be 5. 0 g. Does her experiment observe the law of conservation of mass? Explain.
Her experiment doesn't observe the law of conservation of mass
The law of conservation of mass states that in a chemical reaction mass is neither created nor destroyed and law of conservation of mass does not says that when any compound burned the ribbon in oxygen and collected all the pieces of white ash then its mass doesn't change its always constant so in the given data
A student determined the mass of a piece of magnesium ribbon and it was 3.0 g she then burned the ribbon in oxygen and collected all the pieces of white ash (magnesium oxide) and then mass of the ash is 0.5g so here when burn the compound the mass changes so this reaction does not followed the law of conservation of mass
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How would you prepare a 1 L solution of 3 M MgO?
Put 3 grams of MgO in the beaker and add enough water to reach the 1 L mark.
Put 120 grams of MgO in the beaker and add exactly 1 L of water.
Put 120 grams of MgO in the beaker and add enough water to reach the 1 L mark.
Put 3 grams of MgO in the beaker and add exactly 1 L of water.
Answer: (Option C) We need to 120 g of MgO in the beaker and add enough water to reach the 1 L mark.
Explaination: Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.
How would I find the the concentration of acetic acid in my vinegar sample using the average volume and concentration of sodium hydroxide, and the volume of vinegar, I have?
Average Volume Sodium Hydroxide: 0.0225L
Concentration of Sodium Hydroxide: 0.250 mol dm-3
Volume of Vinegar: 0.0100 Litres
Explanation:
from
c1v1=c2v2
c1=?
c2=0.250
v1=0.0225
V2=0.0100
c1×0.0225=0.250×0.0100
0.0225c1=0.0025
0.0225c1/0.0225=0.0025/0.225
c1=0.1111
Which is more reactive boron or neon
what was surprising about pitchblende? what were the names of the two elements the curies discovered? how long did it take the curies to get a sample of radium big enough to be recognized? why did marie think the radium samples glowed?
Curies discovered Radium and Polonium.She took 4 years to get sample of radium.Marie think the radium sample glowed because Atoms in certain elements can break apart and release energy.
Why is it named pitchblende?The mineral has a pitch-black hue. German miners gave it the name "blende" because they thought it had several different metals mixed together. Radium, lead, helium, and a number of actinide elements are only a few of the radioactive substances found in pitchblende that can be linked to the decay of uranium.
What were the names of the two elements the curies discovered?As part of their investigation into pitchblende in 1898, the Curies discovered the elements polonium and radium.
In honor of Pierre, who sadly perished in a Paris street accident in 1906 at the age of only 46, the radioactivity unit was finally given the name "curie." The Curie family amassed an astounding number of Nobel Prizes as a result of Marie's continued labor. Together with Henri Becquerel, Pierre and Marie shared the physics award in 1903. In 1911, Marie won the chemistry Nobel Prize all by herself. Their daughter Irène married the French physicist Frederic Joliot, and she and her husband shared the 1935 Nobel Prize in Chemistry for discovering how to intentionally create radioactivity in a lab. Marie Curie passed away from radiation-induced leukemia at the age of 66 the previous year.
Why did marie think the radium samples glowed?Marie think the radium sample glowed because Atoms in certain elements can break apart and release energy.
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a helium gas balloon has a volume of 1 m3 and a gas pressure of 1.2 atm. when it is high in the sky, the volume increases to 2 m3. assuming the gas temperature does not change and there is no gas leakage, the gas pressu
Using the ideal gas law equation, the gas pressure of helium becomes 0.6atm when the volume increases to 2[tex]m^3[/tex].
The general gas equation, often known as the ideal gas law, is the equation of state for a fictitious ideal gas. Although it has several restrictions, it is a decent approximation of the behaviour of numerous gases under various circumstances.
According to the ideal gas law, all gases have an equal number of molecules in an equal volume at a given temperature and pressure.
Ideal gas law:
PV = nRT
where,
P – Pressure
V – Volume
n – No. of moles
R – Gas constant
T - Time
Given:
V1 = 1[tex]m^3[/tex]
P1 = 1.2atm
V2 = 2[tex]m^3[/tex]
To find:
P2 = ?
Formula:
PV = nRT
Calculations:
PV/T = constant
P1V1/T1 = P2V2/T2
Since T1 = T2,
P1V1 = P2V2
1.2 x 1 = P2 x 2
P2 = 1.2 x 1 / 2
P2 = 0.6atm
Result:
The gas pressure of helium becomes 0.6atm when the balloon rises high and the volume increases to 2[tex]m^3[/tex].
The complete question is:
a helium gas balloon has a volume of 1[tex]m^3[/tex] and a gas pressure of 1.2atm. when it is high in the sky, the volume increases to 2[tex]m^3[/tex]. assuming the gas temperature does not change and there is no gas leakage, the gas pressure becomes _____atm.
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