Q(4.29 × [tex]10^{-5}[/tex] ) > Ksp ( 1.07 × [tex]10^{-10}[/tex]), so precipitate form in the newly mixed solution.
Ksp of Baso4 = 1.07 × [tex]10^{-10}[/tex]
Solution contains 0.0130m BaI2 and 0.00330m MgSO4
BaI2 → Ba2+ + 2I-
0.0130 2(0.0130)
MgSO4 → Mg 2+ + SO42-
0.00330 0.00330
Q = [Ba2+] [So42-] = 0.0000429 = 4.29 × [tex]10^{-5}[/tex]
Q(4.29 × [tex]10^{-5}[/tex] ) > Ksp ( 1.07 × [tex]10^{-10}[/tex])
Precipitation in an aqueous solution is the process of changing a dissolved substance from a super-saturated solution into an insoluble solid. Precipitate refers to the solid that forms. The chemical agent responsible for the formation of the solid during an inorganic chemical reaction is known as the precipitant.
Supernate or supernatant are other names for the clear liquid that remains above the precipitated or centrifuged solid phase.
When solid impurities separate from a solid phase, the concept of precipitation can also be applied to other chemical fields, such as organic chemistry and biochemistry, as well as the solid phases (such as metallurgy and alloys).
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Two identical 732. 0 l tanks each contain 212. 0 g of gas at 293 k, with neon in one tank and nitrogen in the other. Based on the assumptions of kinetic-molecular theory, rank the gases from low to high for each of the following properties.
The ideal gas law, also called the general gas equation, is the equation of state for a hypothetical ideal gas. It has some limitations, but is a good approximation of the behavior of many gases under many conditions. Given by:
PV = nRT
P = pressure
V = volume
n = amount of substance
R = ideal gas constant
T = temperature
Given
Volume of the tank = 732 L
Mass of the gas = 212 g
Temperature T = 293 K
Molar mass of nitrogen gas (N₂) = 28 g
Molar mass of neon (Ne) = 20 g
The average speed of the gases decreases with increase in weight of the gas. Thus, the neon gas will have the higher average speed.
To determine the gas that will have the higher pressure;
PV = nRT
where;
n = number of moles of gases
R = 0.0821 L atm / mol K
P = pressure of gas
T = temperature of gas ( 293 k)
[tex]n_{neon}[/tex] = 212/20
= 10.6 moles
[tex]n_{nitrogen}[/tex] = 212/28
= 7.57
[tex]P_{neon}[/tex] = (10.6 × 0.0821 ×293)/732
= 0.34 atm
[tex]P_{nitrogen}[/tex] = (7.57 × 0.0821 ×293)/732
= 0.24 atm
Thus, the pressure of the nitrogen gas will be the higher.
Collision frequency of the gases:
f = v/λ
[tex]v_{rms} = \sqrt{\frac{3RT}{M} }[/tex]
Where, M = molar mass
Collision frequency is inversely proportional to the molar mass
So, neon will have higher collision frequency due to its low molar mass.
Since, density is mass divided per volume.
Density = mass/volume
For the given case mass and volume for both the gases is same. Thus, density of both nitrogen and neon will be the same for the given temperature.
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What volume, in milliliters, of 6. 0 m naoh is needed to prepare 175 ml of 0. 20 m naoh by dilution?.
5.83 ml is required of 6M NaOH to prepare 175 ml of 0.20 M NaOH by dilution.
The problem can be solved by using:
M1V1 =M2V2 used for collecting unknown values after mixing solutions
Here, M1 = 6M ; V1 = ? ; M2- 0.20M ; V2 = 175 ml
Thus; 6*V1 = 175*.20
This gives 5.83 ml
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what are the products from the following reaction? br2/ch2cl2 a) i and ii b) i and iii c) i and iv d) ii and iii e) ii and iv
c. I and IV
Moreover, Because bromine is a liquid that is easier to handle than chlorine gas, many halogen additions are made with bromine. Inert solvents such as methylene chloride (CH2Cl2) or carbon chloride (CCl4) are typically used for halogen addition, as these solvents dissolve both halogens and alkenes.
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Select the correct formula for the polyatomic ion. you can find a list of common polyatomic ions by clicking here. the formula for ammonium carbonate: nh4hco3 nh4co3 (nh4)2co3
The chemical formula for ammonium carbonate is (NH₄)₂CO₃. Therefore, option (C) is correct.
When heated, ammonium carbonate, also known as ([tex]NH_{4}[/tex])2[tex]CO_{3}[/tex], rapidly breaks down into ammonia and carbon dioxide. It functions as a smelling salt and a leavening agent. Ammonium carbonate, often known as baker's ammonia, was used before baking soda and baking powder as leaveners.
Sal volatile contains ammonium carbonate, and salt of hartshorn when baked emits a strong odour. At standard pressure and temperature, two processes lead to the gradual breakdown of ammonium carbonate. The pure ammonium carbonate sample will combine with different byproducts.
Upon spontaneous dissociation, ammonium carbonate can separate into ammonium bicarbonate and ammonia. which results in the addition of more ammonia, carbon dioxide, and water.
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Answer:Select the correct formula for the polyatomic ion. You can find a list of common polyatomic ions by clicking here.
The formula for the ammonium ion:
ANSWER:
NH4+
Explanation:
an atom is the smallest unit of a(n) that can exist alone. when atoms are chemically , together they form a compound. the smallest particle of a compound is called a(n) .
An atom is the smallest unit of an element that can exist alone. when atoms are chemically bounded together they form a compound. the smallest particle of a compound is called a molecule.
The smallest particles of elements or compounds that can exist independently are called molecules. Molecules are formed by chemically bonding two or more atoms. A group of atoms held together by chemical forces. A molecule is the smallest unit of a chemical compound that can exist alone and retain all of its chemical properties.
When atoms combine to form covalent bonds the resulting collection of atoms is called a molecule. Therefore, we can say that molecules are the simplest units of covalent compounds. Cells are usually the smallest units considered living and the basic unit of life. All organisms are made up of cells from single cells to trillions of multicellular organisms.
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What occurs to a sound wave as it passes from air into a vacuum?
Answer:
Sound waves cannot propagate in vacuum. Air is needed for sound waves to travel and there is no air in vacuum.
Explanation:
co using standard thermodynamic data at 298 k, calculate the free energy change when 1.83 moles of react at standard conditions.
Enthalpy and entropy are combined into a single quantity known as Gibbs free energy, or G. The product of the system's temperature and entropy, added to the enthalpy, equals the change in free energy, or G.
How is free Gibbs energy calculated?To calculate the entropy change, subtract the starting entropy from the end number. Use the same formula to determine the change in enthalpy. Add the temperature to the entropy change. To find the Gibbs free energy, deduct the product from the enthalpy change.
The free Gibbs energy of formation of CO at temperature 298k is -285.4kJ.
The balanced chemical reaction for CO to CO2 is
CO(g) + half O2(g) → CO2(g)
The expression for gibbs free energy change during the reaction is
ΔG⁻ = {G⁻(CO2)⁻ ₋ [G⁻(CO) + half G⁻(O2)]}
= { ₋394.4 ₋ [₋137.2 ₊ 0]}
= ₋257.2kJ
ΔG⁻ = ΔH⁻ ₋ 300 ×( -0.094)
or ΔH⁻ = -285.4kJ
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What is the value of δg°rxn given an equilibrium constant of 1. 32 × 103 at 25°c?.
The value of ΔG⁰rxn given an equilibrium constant of 1. 32 × 103 at 25°c is 12191.14 J/mole
What is meant by an equilibrium constant?A chemical reaction's equilibrium constant is the value of its reaction quotient at chemical equilibrium, a state attained by a dynamic chemical system after a sufficient amount of time has passed in which its composition has no measurable tendency to change further.
The equation below expresses the relationship between standard free energy and equilibrium constant.
ΔG⁰rxn = -RT(㏑ K)
Gas constant R= 8.314 J/mole K
T is the temperature in kelvin unit
The equation below expresses the relationship between standard free energy and equilibrium constant.
We will substitute the values into the described equation to determine ΔG⁰rxn of the reaction with an equilibrium constant of 135.96.
ΔG⁰rxn= 8.314(J/mole K)×(25+273.5K)×㏑(135.96)
ΔG⁰rxn=12191.14 J/mole
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Which condition is necessary for enzymes and hormones to function properly in the human body?
Answer:
Homeostasis maintains optimal conditions for enzyme action throughout the body, as well as all cell functions.
Explanation:
What is the molar ratio of acid to base for the neutralization reaction between hcl and naoh?.
The mole ratio of acid to base when neutralizing hydrochloric acid with sodium hydroxide is 1:1. A mole of NaOH would completely neutralize one mole of HCl.
An acid and a base can be combined to neutralise a solution. Neutralization happens when the moles of the acid and the base are equal. Calculating the molar ratio of acid to base can be done using the balanced chemical reaction. The reaction coefficient is a representation of the molar ratio. The base's moles can then be determined using its molar mass and molecular weight.
However, the mole ratio would be 2:1 if chlorine dioxide and barium hydroxide were added. Use the atomic masses to translate each element's mass into moles. By dividing the total number of moles by the smallest number of moles, you may determine the ratio or the number of moles of each element.
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when applying analytical procedures during an audit, which of the following is the best approach for developing expectations? rev: 07 29 2021 qc cs-270990
The reasonable approach during analytic procedures of audit is identifying reasonable assurance for unexpected differences before talking to client management
Audit is an external help identifying areas where books or accounting practices are no longer in compliance with new Internal Revenue Service regulations.
An external audit can also pinpoint where your compliance efforts may be lacking. Since an external auditor has no reason to be anything but honest about the status of your financial compliance, you can rely on the independence of the investigation and on the recommendations being made.
Internal and external financial statements will carry more weight if they’ve been vetted by an external auditor. For family businesses, closely held corporations and non-profits, these audits provide common ground for stakeholders to properly assess the financial health of the organization.
For publicly traded companies, external audits offer an unbiased glimpse into the accounting practices of the organization.
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TRUE OR FALSE. Because the amount (n) and the mass (m) of a substance are both extensive properties, the molar mass (molar mass = m/n) pf the substance is also an extensive property.
Answer:
false
Explanation:
i hope i helped<333
a solution is prepared by adding 25 ml of 0.010 m hbr to 75.0 ml of 0.020 m hi. what are the h and ph g
The hydronium concentration is expressed as the negative log base 10 of pH. A solution's hydrogen ion concentration is measured logarithmically by the pH scale.
Why is pH important?Only under specific pH conditions do some chemical reactions occur. Sometimes this is as a result of the reaction's reactant, H+ or OH-. Other times, an acid or base can catalyze a reaction, influencing how quickly it occurs.Living things rely on a wide range of biochemical processes and reactions, the majority of which need particular pH ranges. Because of this, ecosystems like lakes and rivers thrive when the pH levels are good for the local flora and fauna's biochemistry.Similar to an ecosystem, the human body has a specific pH that enables the proper performance of the various functions that our body carries out. In our blood, we need one value, and in the fluids that make up our digestive system, we need a completely different (much more acidic) value. Otherwise, regular biochemistry may malfunction, potentially endangering your health. Fortunately, the blood in humans and many other animals is buffered, making it difficult for the pH to change rapidly. In order to prevent the negative effects of imbalance, drink a bottle of alkaline water or an acidic soda. Your blood will essentially remain the same.The fact that the common health advantages of alkaline water are mostly untrue is another effect of this safety net in your blood. Drinking some water with a pH of 8 wouldn't significantly alter your blood's acidity, even if it were somehow too acidic.To Learn more about pH refer to:
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which weapon of influence best explains why people value diamonds that come from mines more than chemically identical synthetic diamonds?
Scarcity best explains why people value diamonds that come from mines more than chemically identical synthetic diamonds
What are Diamonds?The atoms of diamond are grouped in a crystal structure known as diamond cubic, and it is a solid form of the element carbon. The chemically stable form of carbon at room temperature and pressure is another solid form of carbon known as graphite, however diamond is metastable and converts to it at a very slow rate under those conditions. Because of its superior hardness and thermal conductivity compared to other natural materials, diamond is frequently employed in high-tech industrial products like cutting and polishing equipment.
Natural diamonds, on the other hand, are uncommon since they are limited in supply and took thousands of years to develop beneath the surface of the planet.
Man-made diamonds, lab-grown diamonds, and synthetic diamonds are all terms for diamonds that are manufactured in factories such as Chemical Vapour Deposition (CVD) and High Pressure High Temperature (HPHT). They couldn't be utilized as gems because they were too tiny and of poor quality.
It indicates that there is a gap between the supply of an item or service and the demand for it. As a result, customers, who ultimately drive the economy, may have fewer options due to scarcity, Understanding how scarce resources are valued is essential.
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the deposition of thick beds of oxidized iron in the proterozoic oceans (bifs) is often presented as evidence for:
Evidence of the rapid increase in oxygen levels is the first appearance of red sandstone on the continental margin.
What are proterozoic oceans?Recent data suggest that during most of the Proterozoic (2500 to 543 million years ago), Earth's oceans were moderately oxidizing at the surface and sulphidic at depth. Under these conditions, biologically important trace metals are deficient in most marine environments, restricting nitrogen cycling, affecting primary productivity and restricting the ecological distribution of eukaryotic algae. It is possible. Thus, marine redox conditions and their effects on biominerals help explain the observed pattern of Proterozoic evolution.
This rock with layers of red jasper and iron magnetite formed billions of years ago as part of this process. A reminder that life has made our atmosphere breathable.
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If you were to take the temperature of fire, what particles would you be taking the temperature of?
The particles move faster as their kinetic energy increases with rising temperature, leading to higher collision and diffusion rates. The particles gain kinetic energy as the temperature rises, which causes them to vibrate more quickly.
What is kinetic energy?An object's kinetic energy is the energy it has as a result of motion. Applying force is necessary if we wish to accelerate an object. We have to put forth work to apply a force. After the job is finished, the object will be travelling at a new, constant speed because energy has been transferred to it.
We use the aforementioned logic to get the kinetic energy and start by determining the work done, W, by a force, F, in a straightforward example. Consider a force parallel to a surface pushing a box with mass mm through a distance d along that surface.
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What is one negative consequence of using wind turbines to generate electricity?.
Ecosystem damage caused by the construction and maintenance of wind farms is one drawback of employing wind turbines to produce power.
How are winds created?Uneven solar heating of the earth's surface is what generates wind. The earth's surface absorbs the sun's heat at varied rates since it is composed of various types of land and ocean. The daily wind cycle is just one instance of this uneven warmth.
Wildlife can be significantly impacted by wind energy operations and development, which could slow down wind growth in the US and perhaps have an influence on populations. By minimizing these effects through unbiased, scientifically sound siting and mitigation techniques, it is possible to make sure that the advantages outweigh the drawbacks.
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what is the reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles?
Nuclear Fusion is the reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles
What is atomic nucleus?The tiny, compact area of protons and neutrons at the heart of an atom is known as the atomic nucleus. The strongest known basic force, often known as the strong force, is what holds these things together. Despite making up far less than.01 percent of the atom's volume, the nucleus normally takes up more than 99.9% of its mass.
Within a few minutes after the Big Bang, nucleosynthesis started. Protons and neutrons were then formed from a quark-gluon plasma, a concentrated soup of quarks and gluons. The neutron-proton merger produced the deuterium isotope's nuclei after the cosmos somewhat cooled. Protons and neutrons make up every atomic nucleus, and the quantity of protons determines the size of the nucleus.Each chemical element has different isotopes, which are determined by the chemical element and the neutron count.
Nuclear Fusion Is A Reaction In Which Two Or More Atomic Nuclei Are Combined To Form One Or More Different Atomic Nuclei AND SUBATOMIC PARTICLES.
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Write complete ionic equation to show the reaction of aqueous Hg2(NO3)2 with aqueous sodium chloride to form solid Hg2Cl2 and aqueous sodium nitrate.
Express your answer as a chemical equation. Identify all of the phases in your answer.
Write net ionic equation to show the reaction of aqueous Hg2(NO3)2 with aqueous sodium chloride to form solid Hg2Cl2 and aqueous sodium nitrate.
Express your answer as a chemical equation. Identify all of the phases in your answer.
Answer: First we start with our molecular equation to ensure all atoms are balanced to maintain the law of conservation of mass.
.
The equation is unbalanced since we have 1 Cl atom on the left-hand side as opposed to 2 on the right-hand side and 2 molecules on the left-hand side and 1 on the right-hand side. So we add a coefficient of 2 on both the and
Explanation:
The reaction occurs between solutes soluble in water to give a solid as a residue. So the complete ionic equation will show the soluble compounds in their dissociated states as ions in water and the insoluble compound as a solid.
Draw the resulting molecule if the alkaline were to undergo Hydration. (Points)
When alkene molecule undergoes hydration there is formation of alcohol takes place. In this reaction pi bond is break through single bond.
What is hydration ?Addition of water molecule is called as hydration. Water is added to an alkene during an acid-catalyzed hydration reaction to create alcohol.
A sequential mechanism for the reaction begins with the protonation of the double bond. Since water is a weak acid on its own, protonating the double bond requires the presence of an acid.
Hydration is the process of adding water to alkenes on a net basis. The pi bond in the alkene is broken, the OH bond in the water is broken, and a C-H bond and a C-OH bond are formed as a consequence.
Thus, When alkene molecule undergoes hydration there is formation of alcohol takes place. In this reaction pi bond is break through single bond.
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What are two thermal properties of water that make it unique?
The fact that water has a high melting and boiling point (0°C/32°F for melting and 100°C/212°F for boiling) makes it unique.
Where do melting and boiling points lie?When a substance's solid and liquid phases are in equilibrium, that point is known as its melting point. When a substance's vapour pressure matches the outside pressure, that's when it reaches its boiling point.
What is another name for boiling point?Saturation temperature is another name for boiling point. The pressure at when the measurement was made can occasionally be used to define boiling point. The standard boiling point is the temperature at which water begins to boil at one bar of pressure, according to the International Union on Pure an Applied Chemistry (IUPAC) definition from 1982.
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How many moles of aluminum oxide can be formed when a mixture of 0.36 mole of aluminum and 0.36 mole of oxygen is ignited?
A. 2 moles
B. 0.36 moles
C. 0.18 moles
D. 4 moles
E. 0.27 moles
As per the balanced equation 4 moles of Al is required to produce 2 moles of aluminium oxide. Thus 0.36 moles of aluminium will produce 0.18 moles of aluminium oxide. Hence, option C is correct.
What is aluminium oxide?Aluminium oxide is an inorganic compound formed by the ignition of aluminium in air. Aluminium is a 13th group element and it easily reacts with atmospheric oxygen to form its oxides.
These oxides acts as protective coating in the surface of aluminium hence, materials of aluminium do not undergo corrosion.
As per the given balanced reaction between aluminium and oxygen. 3 moles of O2 requires 3 moles of aluminium. Hence, 0.36 moles needs more than 0.36 moles of aluminium.
Therefore, aluminium is the limiting reactant. 4 moles of aluminium gives 2 moles of aluminium oxide. Hence, number of moles of aluminium produced from 0.36 moles of aluminium is:
number of moles = 0.36 × 2/4
= 0.18 moles.
Hence, 0.18 moles of aluminum oxide will produces from 0.36 moles of aluminium.
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Mole measure the number of elementary entities of a given substance that are present in a given sample. 0.27 moles of aluminum oxide is formed. The correct option is option E.
What is mole?The SI unit of amount of substance in chemistry is mole. The mole is used to measure the quantity or amount of substance. We know one mole of any element contains 6.022×10²³ atoms which is also called Avogadro number.
The balanced equation is
4Al+3O[tex]_2[/tex][tex]\rightarrow[/tex]2Al[tex]_2[/tex]O[tex]_3[/tex]
Mole of Al= 0.36 mole
Mole of oxygen = 0.36 mole
Out of aluminum and oxygen, oxygen is the limiting reagent.
From 3 molecule of oxygen 2 molecule of aluminum oxide is formed
Total moles of aluminum oxide formed= (2÷3)×0.36
Total moles of aluminum oxide formed=0.27
Therefore, 0.27 moles of aluminum oxide is formed. The correct option is option E.
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what is the mass of magnesium in 45.3 grams of mgcl2 ? molar masses mg: 24.3 g/mol cl: 35.5 g/mol provide answer in grams to 3 significant figures
The mass of magnesium is 11.551 g in 45.3 grams of mgcl2.
In how many moles of magnesium is 12.5 g contained?Sulfide and magnesium have molar weights of 32.065 g/mol and 24.305 g/mol, respectively. Step 2: Use the molar mass to translate mass into moles. The amount of magnesium sulfide in 12.5 grams is therefore 0.222 moles.
How much MgCl2 24 amu Cl 35.5 amu weighs in molecules?Now, the substance, magnesium chloride, is shown to us. Its chemical formula is MgCl2. While chlorine has an atomic mass of 35.5 u, magnesium has an atomic mass of 24 u. Consequently, 95 u is the magnesium chloride formula unit mass.
Molar mass of
Mg = 24.3 g/mol
Cl = 35.5 g/mol
Molar mass of [tex]Mgcl_{2}[/tex]=24.3 g/mol+(2×35.5 g/mol)=95.2 g/mol
43.5g [tex]Mgcl_{2}[/tex]=(24.3÷95.2)*43.5=11.551
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what was the major difference between dalton's model of the atom and the plum pudding model of the atom?
The major difference between dalton's model of the atom and the plum pudding model of the atom is that Dalton suggested that an atom was indestructible and indivisible, whereas Thomson worked on the presence of subatomic particles and thought of an atom as a divisible quantity in contrast to Dalton.
What is Dalton's atomic theory?
Dalton's atomic hypothesis was a scientific theory on the nature of matter proposed in 1808 by the English physicist and chemist John Dalton. It claimed that all matter was composed of microscopic, indivisible units called as 'atoms.' According to Dalton's atomic theory, all substances are made up of atoms, which are indivisible as well as indestructible building blocks.
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What is the acronym is a reminder of the most common types of hazards caused by electricity?.
According to the acronym be safe included in OSHA's Electrocution hazards handbook, an electrical hazard is a situation that occurs at work that exposes employees to the following risks are burns, the most frequent injury brought on by shock.
What is an electrical hazard ?Electric shock and burns from contact with live components are the two primary risks of working with electricity. harm from arcing exposure, fire from improper electrical installations, or both
An electrical danger can be found before it poses a problem by inspecting tools and equipment before use. Regular inspections should be performed on all tools to look for fractures, frayed cord lines, damaged insulation, broken ground pins, and loose parts.
Thus, the Occupational Safety and Health Administration when describing the dangers that electricity may pose to construction workers.
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10.0 ml of 1.0 m naoh is titrated with 1.0 m hcl. how many ml of hcl were required to reach the equivalence point?
10 ml of HCl was required to reach the equivalence point
What do you understand by the law of equivalence?The equivalents of one material will always be equal to the equivalents of the other when two substances react, and the equivalents of any product will always be equal to that of the reactant.
By applying equivalence law:-
M1V1=M2V2
NaOH=HCl
1.0 x 10.0 = 1.0 x V4
V4 =[tex]\frac{1.0 * 10.0}{1.0}[/tex]
V4=10 ml
10 ml of HCl was required to reach the equivalence point.
What is the equivalence point?The point at which chemically equivalent amounts of reactants have been combined is known as the equivalence point, also known as the stoichiometric point, in a chemical process. The equivalence point for an acid-base reaction is the point at which, in accordance with the chemical reaction, equal amounts of acid and base would neutralize one another. Simply that the ratio is the same as in the chemical reaction is all that is implied, not necessarily a 1:1 molar ratio of acid to base. It can be located using an indicator, such as methyl orange or phenolphthalein.
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WHAT IS THE EXO PLANET THAT HAVE THEBIGGEST RINGS
Answer:
Exoplanet - J1407b
An isotonic solution has a(n) ______________ concentration of solute (dissolved stuff) than inside the cell.
An isotonic solution has a(n) higher concentration of solute (dissolved stuff) than inside the cell. Correct answer: letter B.
This is because it helps the cell maintain its water and solute balance. When the concentration of solutes on the outside of the cell is higher than on the inside, osmotic pressure is created, which helps the cell to take up water. This helps keep the cell hydrated and functioning properly.
The importance of isotonic solutions for the maintenance of cellular homeostasis
Isotonic solutions are a way to ensure the maintenance of a cell's homeostasis, which is why isotonic solutions are an important part of preserving the cell's homeostasis.
These solutions help the cell to remain in a healthy state, allowing it to maintain its normal functionality. Scientists have discovered that these solutions can also help alleviate some diseases, such as dehydration, malnutrition or even diabetes.
An isotonic solution has a(n) ______________ concentration of solute (dissolved stuff) than inside the cell.
A) Lower
B) Higher
C) Equal
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perchloric acid monohydrate is added to distilled water to give a concentration of 6.2 mg/l. if water is supplied at a rate of 8 mgal/day, how many pounds of perchloric acid monohydrate will be required per day?
Perchloric acid monohydrate is added to distilled water to give a concentration of 6.2 mg/l. if water is supplied at a rate of 8 mgal/day, 301 lb pounds of perchloric acid monohydrate will be required per day.
What is perchloric acid used for?
Perchloric acid is used to split potassium from sodium, and in lots of laboratory assessments and processes. Uses for the salts of perchloric acid consist of explosives and plating metals. Perchloric acid may also explode, and it decomposes on heating generating poisonous and corrosive fumes.
Is perchloric acid safe?
Perchloric acid is one of the most powerful mineral acids acknowledged and therefore may be very unfavourable to the skin, eyes and mucus membranes on contact. Inhalation of the vapours also can result in extreme harm to the respiration system.
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reaction mechanisms usually involve only unimolecular and/or bimolecular elementary steps. is this generally true or false and give a statement as to why?
True. Reaction mechanisms usually involve only unimolecular and/or bimolecular elementary steps because in higher reactions all three or more reactants have to collide at the same time which is most likely to not happen.
What are unimolecular and bimolecular reactions?
Unimolecular reactions are mostly of first order. It occurs when a molecule rearranges itself to give one or more products in a reaction. For example, in radioactive decay, some particles are emitted from the atom giving different atoms in the reaction. In bimolecular reaction, two of the molecules collide with each other to give one or more products. Mostly occur in organic reactions for example, nucleophilic substitution reaction.
In higher reactions such as termolecular reactions unlike unimolecular and bimolecular reactions, all three or more reactants should collide with same energy and proper orientation to give products which is most likely to not take place.
Therefore, reaction mechanisms usually involve only unimolecular and/or bimolecular elementary steps due to lesser collision compared to termolecular reactions.
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