As pressure rises, the equilibrium will move to the side of the reaction where there are less moles of gas. When the pressure drops, the equilibrium will move to the side of the process where there are more gas molecules.
Which way does the equilibrium move when the reaction pressure at the equilibrium decreases?According to Le Chatelier's principle, a pressure change will cause an equilibrium to shift to the reaction's side that has the fewest moles of gas, while a pressure change will cause it to shift to the reaction's side that has the most moles of gas.
Pressure reduction shifts the equilibrium to the side with the majority of molecules. This lessens the effects of the change because as the number of molecules increases, so does the pressure.
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Which explains the change in ionization energy that occurs between removing the first and second electrons from an atom?
The ionization energy decreases because the ratio of the protons to electrons increases.
The ionization energy increases because the ratio of the protons to electrons increases.
The ionization energy decreases because the ratio of the protons to electrons decreases.
The ionization energy increases because the ratio of the protons to electrons decreases.
Option B. The ionization energy increases because the ratio of protons to electrons increases. explains the change in ionization energy that occurs between removing the first and second electrons from an atom.
The ionization energy is the degree of the functionality of an element to go into chemical reactions requiring ion formation or donation of electrons. it is also usually associated with the nature of the chemical bonding within the compounds shaped by the factors. See additionally binding strength; electron affinity.
Ionization energy is superb for neutral atoms, meaning that ionization is an endothermic system. more or less speaking, the nearer the outermost electrons are to the nucleus of the atom, the higher the atom's ionization electricity. In physics, ionization power is typically expressed in electronvolts (eV) or joules (J).
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which of the ions that you studied underwent hydrolysis? explain whether or not your results were as expected (i.e. acidic/basic/neutral solution).
Hydrolysis can happen to both cations and anions, however not all ions react in this way. Both the free cation and the free anion are created during the dissolution of an ionic salt in water.
NO3 2 will it undergo hydrolysis?The salt of the powerful acid (HNO3) and the powerful base (Ba(OH)2) is barium nitrate (Ba(NO3)2). Strong acids and strong bases do not hydrolyze in aqueous solution when their salts are present. In aqueous solution, barium nitrate (Ba(NO3)2) does not hydrolyze as a result.
What is a good illustration of a hydrolysis reaction?Some instances of hydrolysis include dissolving a weak acid or base salt in water or dissolving sulfuric acid in water, which results in the formation of hydronium and bisulfate compounds. Proteins, lipids, and complex carbohydrates in diet are also broken down via hydrolysis.
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The map below shows Mach's route to the pool. Mich left his house and walked to Javier's house. It took him 12 minutes. Then, Mitch and Javier walked to Andrew's house. It took them 6 minutes.
Finally the 3 boys walked to the pool in 2 minutes. What was Mach's average speed for his entire journey?
100%
A
B
Andrew
C
D
100 m
500 m
7 m/min
60 min
Javier
800 m
when barium chloride is allowed to react with silver nitrate to give barium nitrate and silver chloride, what are the coefficients for the balanced equation and what type of reaction is this?
A white solid precipitate is created when silver nitrate (AgNo3) and barium chloride (BaCl2) are combined.
What distinguishes a balanced equation from an ionic equation?The main distinction between a balanced equation and a net ionic equation is that a balanced equation displays all of the system's reactions together, but a net ionic equation just displays the net reaction that followed the conclusion of a given reaction.
Similar charges repel one another (positive to positive or negative to negative). A neutral item is one that typically has an even mix of positive and negative charges. Negative and positive charges in an item must balance out for static electricity to occur.
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The following balanced chemical equation
represents a chemical system at equilibrium: K/U
C2H4 1g2 1 Br2 1g2mC2H4Br2 1g2
colourless brown colourless
(a) What visual changes will you see at equilibrium?
(b) What is occurring at the molecular level?
(c) Is the equilibrium static or dynamic?
a) The brown color of bromine is discharged
b) There is an addition reaction occurring
c) The equilibrium that occur here is a dynamic equilibrium
What is equilibrium?
We say that a system is in a state of equilibrium when the rate of the forward reaction is equal to the rate of the reverse reaction. In this case, we can say that the system is in a state of dynamic equilibrium.
a) We know that as the bromine is added to the ethene there would be the decolorization of the bromine water.
b) At the molecular level, the bromine is being added to the double bond in the alkene and a vicinal dihalide is produced.
c) The equilibrium is dynamic.
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Five characteristics of a molecule that can be determined from a lewis structure.
The Lewis structure can be used to identify the following traits. Considering one,
H₃N + BF₃ ———> [H₃N—->BF₃]
what is a Lewis structure?The valence shell electrons of a molecule are depicted in a highly condensed manner in a Lewis structure. It serves as a visual representation of the electron arrangements surrounding specific atoms in molecules. In bonds involving two atoms, electrons are shown as lines or as "dots" respectively.
A molecule's Lewis structure reveals how many valence electrons are attached to each atom. The Lewis structure of a molecule can be used to infer a lot of significant information. These details include, among others;
Each atom in the molecule has a certain number of valence electrons attached to its valence shell.
The molecule's type of bonding
Whether the atoms in the molecule follow the octet rule or not
Potential resonance configurations that the molecule might have
whether or not atoms in the molecule have lone pairs of electrons.
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write the equations that represent the first and second ionization steps for selenous acid (h2seo3) in water.
First ionization reaction: -
H₂SeO₄(aq) + H₂O(l) → H₃O⁺(aq) + HSeO₄⁻(aq)
Second ionization reaction: -
HSeO₄⁻(aq) + H₂O(l) → H₃O⁺(aq) + SeO₄⁻²(aq)
Selenic acid is a diprotic and a strong acid with the formula: H₂SeO₄.
When it reacts to water, it releases two protons in two ionizations.
Finally, it gives hydronium to the medium.
H₂SeO₄(aq) + H₂O(l) → H₃O⁺(aq) + HSeO₄⁻(aq)
HSeO₄⁻(aq) + H₂O(l) → H₃O⁺(aq) + SeO₄⁻²(aq)
According to the given condition the selenous acid is a diprotic acid (two hydrogen ions) we can identify two ionization reactions, the first one, showing up the dissociation of the first hydrogen to yield hydrogen selenic ions and the second one, showing up the dissociation of the hydrogen sulfate ions to hydrogen ions and selenic ions.
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Write a balanced chemical equation that describes an acid-base reaction that would allow you to determine the moles of aspirin present in a sample.
C9H8O4 + NaOH = C9H7O4Na + H2O, which is the same reaction, is a balanced chemical equation that describes an acid-base reaction that enables you to calculate the moles of aspirin contained in a sample.
Describe aspirin.Acetylsalicylic acid is simply known by its common name, aspirin. It is a benzoic acid that has had an acylated alcohol (really a phenol) function substituted in the ortho position. As a result, there are two possible reactions that might happen when aspirin and NaOH are combined: the quicker reaction is the deprotonation of the acid function, which results in sodium acetylsalicylate. In fact, several aspirin formulations contain this ingredient.
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4.
What does the law of conservation of matter state?
A Matter will only combine with other types of matter in specific ratios that
never change.
B Matter can be created or destroyed, but can never change from one form to
another.
C Matter can't be created or destroyed but can change from one form to
another.
D Matter can be created, but it can never be destroyed.
Answer:
Explanation:
The law of conservation of matter state that matter can't be created or destroyed but can change from one form to another. Option C is correct.
What is the law of conservation of matter?
According to the principle of conservation of matter, although matter cannot be generated or destroyed.
The law of conservation of matter state that matter can't be created or destroyed but can change from one form to another.
Hence option C is correct.
Answer:
c
Explanation:
A bottling plant has 126,515 bottles with a capacity of 335 mL, 108,500 caps and 48,775L of beverages
And let us address the bottle capacity....and this is given by the product. We know that, 1ml= 10⁻³ L
126,515 × 0.335 L = 42382 .525 L and it is the the bottle capacity.
The number of bottles you need is given by
33500/ 0.355= 9436 Bottles and there are enough caps . The limiting quantity is the beverage and there are reserve bottles and caps for the breakages and the failed seals that will undoubtedly occur.
Having brewed beer, ginger beer, or other beverages at home (and this is something that it is easy to do, and you get VERY good results). Most of the time, the bottles are the finite resource. You must gather, carefully clean, and disinfect each bottle.
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A boy is hit with a piece of cake. The cake has a mass of
0.56 kg and hit the boy at a speed of 17 m/s. What kinetic
energy did the piece of cake have?
Is work done whenever you hold a heavy object for a long time?
No, work is not done whenever you hold a heavy object for a long time
What is work done ?The result of a force's displacement and its component of force exerted by the object in the direction of displacement is what is known as the force's work. When we push a block with some force, the body moves quickly and work is completed.
No work, as that term is used here, is done until the object is moved in some way and a component of the force travels along the path that the object is moved. Because there is no displacement when holding a heavy object still, energy is not transferred to it.Learn more about Work done here:
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If 3. 0 g of nh3 reacts with 5. 0 g of hcl, what is the limiting reactant? nh3(g) + hcl(g) --> nh4cl(s).
HCl (g)+ NH
3
(g) → NH
4
Cl (s)
which would have a greater effective nuclear charge value, the valence electron of an ne atom or the valence electron of an na atom?
Answer:
na atom
Explanation:
which is sodium because it has 11protons -10 electrons =+1.Hence the valency of sodium is 1
16. a domain is atomic if elements of the domain is considered units. a. different b. indivisible c. constant d. divisible
A domain is atomic if elements of the domain is considered indivisible units that is cannot be divided in parts.
What is domain and at what condition is the domain is atomic specifically?A domain is atomic only when each nonzero and non- unit factors are irreducible and non dividing.Here the question is asked for when a domain is atomic and when a domain can not be atomic.And when the elements of the domain is considered units and which unit for the domain to be remain atomic.If every nonzero and along with non unit factor can be expressed in the form of product of irreducible elements then domain is atomic.Hence the answer would be indivisible , that is a domain is atomic if elements of the domain is considered indivisible units.Not constant , not divisible but only when indivisible then only domain will be atomic.To know more about domain visit:
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A wave's frequency is 5.00x10^14 s-1.
What is the wavelength?
The wavelength of the wave having a frequency of 5.00×10¹⁴ s⁻¹ is 6×10⁻⁷ m
How do I determine the wavelength?We know that the velocity is related to wavelength and frequency according to the following formula:
Velocity (v) = wavelength (λ) × frequency (f)
v = λf
Thus, with the above formula, we can determine the wavelength. Details below:
Frequency (f) = 5.00×10¹⁴ s⁻¹Speed of wave (v) of = 3×10⁸ m/sWavelength (λ) = ?Velocity (v) = wavelength (λ) × frequency (f)
3×10⁸ = wavelength × 5.00×10¹⁴
Divide both sides by 5.00×10¹⁴
Wavelength = 3×10⁸ / 5.00×10¹⁴
Wavelength = 6×10⁻⁷ m
Therforee, the wavelength is 6×10⁻⁷ m
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PLEASE HELP!!!! I am so behind on school work and need to get my grades up quick PLEASE!! Which statements are observations that Darwin made on his voyage?
There was a fossil of a large, extinct, armored animal that looked like a modern-day armadillo.
There were runaway horses that had formed wild herds in the North American plains.,
The Galapagos Islands had slightly different tortoises on each of the islands.
He observed that the flightless dodo bird was still alive and not extinct.
The Galapagos Islands had slightly different tortoises on each of the islands is an observation that Darwin made on his voyage (Option C).
What is the evolutionary Darwin theory?The evolutionary Darwin theory is a model proposed by Charles darwin about how species change (evolve) across time as a function of environmental characteristics and the process of natural selection.
Therefore, with this data, we can see that the evolutionary Darwin theory is based on different observations such as tortoises in the Galapagos islands which led to understanding the meaning of the evolution of the species.
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what is the concentration of a dextrose solution prepared by diluting 17 ml of a 3.0 m dextrose solution to 25 ml using a 25 ml volumetric flask?
The concentration of a dextrose solution prepared by diluting 17 ml of a 3.0 m dextrose solution to 25 ml using a 25 ml volumetric flask is 2.04 m.
This problem is solved by using the concept of concentration and volume.
As we know that,
C1 × V1 = C2 × V2
From the problem,
The initial concentration of dextrose C1 = 3.0 m
The initial volume of dextrose V1 = 17 ml.
The initial volume of dextrose V2 = 25 ml.
We have to find the final concentration of dextrose.
Calculation of final concentration of dextroseBy substituting all the values, we get
3.0 × 17 ml = C2 × 25 ml
51 = C2 × 25 ml
C2 = 51 / 25
C2 = 2.04 m
Thus, we concluded that the concentration of a dextrose solution prepared by diluting 17 ml of a 3.0 m dextrose solution to 25 ml using a 25 ml volumetric flask is 2.04 m.
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What volume of 0. 220 m ethanol solution contains each of the following number of moles of ethanol?.
Each of the following number of moles of ethanol is present in a 13.2 mL volume of 0. 220 m ethanol solution.
Why do we do it?
The notion is that the number of moles of solute contained in 1L=10^3mL of solution may be calculated from the molarity of the solution. In our situation, a solution of ethanol with a concentration of 0.220 M will have 0.220 moles of ethanol per 10^3 mL of solution. This suggests that 2.90 10 3 moles of ethanol will be present in the mixture of 2.90 ×10^3 moles of ethanol in a 10^3 mL solution and 0.22 moles of ethanol in a 13.2 mL solution.
Describe ethanol.A renewable fuel called ethanol is produced from corn and other plant components. The United States uses ethanol extensively, and more than 98% of gasoline contains some ethanol.
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How does the enthalpy change of this reaction and your knowledge of molecular structure inform your understanding of why excess oxalate ions in the body can lead to kidney stones but excess chloride ions will not?.
The heat that enters or leaves the system is determined by the enthalpy change that takes place during a reaction. whether there is a rise in the system's enthalpy.
What does urine containing calcium oxalate mean?Kidney stones are frequently linked to calcium oxalate crystals, which can develop when the body has an excessive amount of oxalate (found in foods like spinach). Severe groin or stomach discomfort, nausea, fever, and problems urinating are all signs of kidney stones.
Does calcium promote absorption of oxalate?In healthy adults who consume 800 mg of calcium per day, two to twenty percent of the oxalate they consume is absorbed in their digestive tracts. The most effective moderator of oxalate absorption is calcium.
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Calculate the amount of heat released when one bottle (250 g) of ethanol is cooled from 45°C to 40°C. The specific heat of ethanol is 2.45 J/g°C
2054 J
-1533 J
-3063 J
4063 J
Answer:
C) -3063J
Explanation:
multiply m, c, and change in T
When the rate of reaction of bleach and dye are studied which reactant is in excess?.
In the reaction between bleach and dye, the bleach was excess relative to the dye.
what are the properties of bleach ?bleach is used for bleaching of cotton and linen in textile industry and also used as bleaching wood pulp in paper industry, bleaching washed clothes in laundry.
It is the main constituent of a solution which constitute ~3-6% sodium hypochlorite (NaOCl), is a mixed with small amounts of sodium hydroxide, hydrogen peroxide, and calcium hypochlorite.
Chlorine bleach is a type of base and especially good at removing stains and dyes.
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Would a precipitate form if a solution of calcium acetate were mixed with a solution of sodium phosphate? if so, what precipitate would form?.
Precipitate Ca₃(PO₄)₂ would be created by mixing sodium phosphate with calcium acetate.
What is precipitation reaction?When dissolved compounds react, they might produce one or more solid products in a process known as precipitation. Double displacement, double replacement, or metathesis reactions are some names for several of these processes, which frequently include the exchange of ions between ionic compounds in aqueous solutions.
Two soluble salts react to form precipitates, an insoluble salt.
The following equation illustrates the reaction between calcium acetate and sodium phosphate:
3Ca(C₂H₃O₂)₂ + 2Na₃PO₄ → Ca₃(PO₄)₂ +6NaC₂H₃O₂
The reaction produces Ca3(PO4)2, which is an insoluble salt and a precipitate.
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which of the following molecules can form hydrogen bonds? which of the following molecules can form hydrogen bonds? ch4 h2o nah hi bh3
The following molecules can form hydrogen bonds. the following molecules can form hydrogen bonds is H₂O.
Hydrogen bond is a type of bond in which attractive force between the hydrogen atom that is covalently bonded with the more electronegative atom such as a N, O and F atom . so, from the given compound it is clear that the molecules which can form hydrogen bond is only water. it arise because of the dipole dipole interaction. there are two types of hydrogen bonding : intramolecular hydrogen bonding and the intermolecular hydrogen bonding.
Thus, The following molecules can form hydrogen bonds. the following molecules can form hydrogen bonds is H₂O.
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When parts of the upper mantle collide with each other, the force causes changes on the surface like volcanoes and fractures. Why does the collision not impact the asthenosphere?
When parts of the upper mantle collide with each other, the force causes changes on the surface like volcanoes and fractures the collision not impact the asthenosphere because asthenosphere is the plastic and brittle
The asthenosphere is the unique to our planet and earth is the only planet in the solar system with an asthenosphere and if planet doesn't have water this means it doesn't have an asthenosphere and the asthenosphere play an important role in plate tectonic movement and asthenosphere is situated underneath the solid lithosphere and the asthenosphere is ductile and deform easily compared to the overlying lithosphere so the collision not impact the asthenosphere because asthenosphere is the plastic and brittle
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draw the lewis structure of co2. what is the shape of the molecule? is it polar or nonpolar? what types of molecules would you expect to dissolve in co2?
The structure of CO2 is linear as it has two oxygen atoms on both side of carbon, it nullifies the polar charge and makes it a nonpolar molecule.
According to Lewis structure we know that it denotes the number of electrons donated or shared to complete the octane rule (all atoms must have 8 electrons in the outer shell).
Lewis's structure gives us the idea of whether a compound is basic or acidic in nature in terms of the electrons shared. In the given condition, for CO2 the Lewis structure is shown below.
If we draw the Lewis structure for CO2, we will get a linear structure as it would contain two oxygen atoms on both side of carbon. As it contains two carbon atoms, it shares a covalent bond with carbon.
As there are two oxygen atoms on both side of carbon and being equally electronegative it cancels out the charges and makes it a nonpolar molecule.
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Compare and contrast filtration and chromatography
On a solid media, chromatography requires solvent separation. Different boiling points are used in distillation. A liquid is removed through evaporation from a solution to leave a solid behind. Filtration separates different-sized particles.
What is chromatography ?Chromatography is a method used in laboratories to separate mixtures into their constituent parts. The combination is dissolved in a liquid solvent known as the mobile phase, which transports it through a system where a substance known as the stationary phase is fixed.
Chromatography paper is another name for filter paper. Paper for chromatography is entirely white. Chemical analysis filter paper, quality filter paper, ashless filter paper, air filter paper, engine oil filter paper, fuel filter paper, etc.
The basis for gel filtration chromatography is the distinct migration of dissolved solutes through gels with predetermined-sized holes.
Thus, A column of insoluble but highly hydrated polymers, such as dextran, agarose, or polyacrylamide, is used in gel filtering or gel-permeation chromatography.
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Explain why a solution that is prepared by dissolving 0. 1 mol each of kh2po4 and k3po4 in 1 l of water is not a buffer solution.
The term "buffer" refers to a solution's capacity to withstand pH fluctuations, even when additional bases or acids are introduced. Buffer has the ability to neutralize any acids or bases supplied to the system in order to stabilize it.
Why does it act as a buffer?Equivalent molar ratios of KH2PO4 and K2HPO4 when combined with water result in the creation of buffer solution. A particular kind of dibasic salt is dipotassium phosphate. K2HPO4 is the solution that is created when hydrogen ions are added to K3PO4, and it functions as a conjugate acid. H2PO4 acts as a weak acid and HPO2 acts as a conjugate base of a in this system of buffers diluted acid . As a result, this KH2PO4 and K2HPO4 solution in water serves as a buffer.
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The antacid component of tumsris calcium carbonate. Assume tumsris 40. 0 percent caco3by mass. If we have 400. Mg of tumsrhow many ml of 0. 100 m hcl can we neutralize? express your answer in ml.
The amount of 0.100 M HCl that 400 mg of Tumsr can neutralize, measured in mL, is 32 mL.
What exactly is stoichiometry?Chemical A chemical reaction's reactants and products are studied quantitatively in stoichiometry. The Greek words "stoikhein" (which means element) and "metron" (which means measure) are the roots of the English word "stoichiometry."
CaCO3 makes up 40 percent of Tumsr. As a result, 400 mg of Tumsr will have
400 x 40/100 = 160 mg CaCO3
According to the reaction's equation:
CaCO₃ + 2HCl → CaCl₂ + H₂O + CO₂(carbondioxide)
Mole ratio = 1:2
Mole of CaCO₃ = 0.16g/100 = 0.0016 moles
Equivalent mole of HCl = 0.0016 x 2 = 0.0032 moles
Volume of 0.0032 mole= 0.0032/0.1
Volume of 0.0032 mole = 32 ml.
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When three molecules of carbon dioxide (co2) react with three molecules of rubp during the calvin cycle, six molecules of the sugar g3p are produced. One g3p molecule exits the calvin cycle during phase 2. What happens to the other five g3p molecules?.
Three molecules of ribulose-1,5-biphosphate are generated from the remaining five G3P molecules.
What is Calvin cycle?Calvin cycle, also known as the photosynthesis's light-independent phase. In this stage, glucose is synthesized using the NADPH and ATP created during the light stage.
There are three primary phases of the Calvin cycle: carbon fixation, reduction, and regeneration.
In the process of fixing carbon, ribulose-1,5-biphosphate, a CO2 acceptor, combines with three molecules of CO2 to produce two molecules of 3-phosphoglycerate. This reaction is catalyzed by RUBISCO (PGA)
PGA is reduced by NADPH during the reduction stage, and ATP phosphorylates PGA to generate six molecules of glyceraldehyde-3-phosphate (G3P). According to the answer, while the other five molecules of G3P continue in the cycle, one leaves it to be used to create glucose.
The initial five molecules of G3P are rearranged into three molecules of the five-carbon CO2 acceptor known as ribulose-1,5-biphosphate during the third stage, dubbed the regeneration stage (RUBP).
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