The relative reactivities of each type of hydrogen (on c-1, c-2, c-3, and c-4) in 1-chloroquine toward chlorination is 0.9017 for C₂.
Depends upon the reactivity at that particular site. So, we can say that yield and reactivity are directly proportional to each other.
Mathematically we can say that:
The yield of product at that site = Reactivity at the site
In the question, the chlorination reaction of 1-chloroquine is give
The yield of the product by chlorination at Cs = 25.8%
So, we can say that 25.8 % of 1,4-dichlorobutane is formed when reactivity toward C4 is 1.
For 1,4-dichlorobutane equation (i) can be written as:
25.8 % yield = 1 reactivity
Reactivity at C: for 1,1-dichlorobutane
where even 5.45%
Now to make LHS of (ii) to 5.45 firstly divide both sides by 25.8 and then multiply by 5.45.
25.8 % yield = 1 reactivity
Divide by 25.8-bit sides :
25.8/25.8 % yield = 1/25.8 reactivity
1% yield = 0.0387 reactivity
multiply both sides by 5.4!
5.45 X 1% yield = 5.45 X 0.0387 reactivity
5.45 % yield = 0.2112 reactivity
So reactivity at C, toward chlorination is 0.2112
Reactivity at C2 for 1,2-dichlorobutane
where yield is given at 23.3 %
Now to make LHS of (i) to 23.3 firstly divide both sides by 25.8 and then multiply by 23.3.
25.8 % yield = 1 reactivity
Divide by 25.8-bit sides
25.8/25.8 % yield = 1/25.8 reactivity
1% yield = 0.0387 reactivity
multiply both sides by 23.3:
23.3 X 1% yield = 23.3 X 0.0387 reactivity
23.3 % yield = 0.9017 reactivity
So reactivity at C2 toward chlorination is 0.9017.
Reactivity at C3 for 1,3-dichlorobutane
where yield is given at 46.1%
Now to make LHS of (i) 46.1 firstly divide both sides by 25.8 and then multiply by 46.1.
25.8 % yield = 1 reactivity
Divide by 25.8-bit sides
25,8/25.8 % yield = 1/25.8 reactivity
1% yield =
multiply both sides by 46.1:
46.1 X 1% yield = 46.1 X 0.0387 reactivity).0387 reactivity
46.1 % yield = 1.7841 reactivity
So reactivity at Cs toward chlorination is 1.7841.
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What are the 4 bases of DNA in order?.
As we know DNA is responsible for the information to be passed from one generation to the next.
Molecule inside the cells containing the genetic information which is responsible for the development and function of an organism is DNA.
DNA or Deoxyribo Nucleic Acid is made up of two polynucleotide chains coiled around each other to form a double helix structure.
It carries the genetic instructions for the development of organisms
that helps in functioning, growth and reproduction of all known organisms and many viruses.
If we look into the structure of DNA, it is a cyclic Ribose sugar that is attached to phosphate group in one side and a nitrogenous base other side as shown in figure.
The four nucleotides, or nitrogenous bases, in DNA are:
Adenine (A),
Cytosine (C),
Guanine (G), and
Thymine (T).
These bases form pairs such that, A with T, and G with C.
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What is produced along combustion of hydrocarbons?.
As hydrocarbons burn, carbon dioxide, water, and heat are created. When a hydrocarbon combines chemically with oxygen to produce carbon dioxide, the process is known as hydrocarbon combustion.
heat, water, and. Hydrocarbons are molecules made of both carbon and hydrogen. They are well known for being the main ingredient in fossil fuels including coal, oil, and gas. One carbon atom is covalently doubly linked to two oxygen atoms in every carbon dioxide molecule, giving it the chemical formula carbon dioxide is CO2. An organic substance called a hydrocarbon is made completely of hydrogen and carbon dioxide. Group 14 hydrides include things like hydrocarbons. The smells of hydrocarbons are typically mild or best characterized by that of gasoline and lighter fluid. Hydrocarbons are typically colourless and hydrophobic.
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What are the 4 main principles of fire prevention?.
The 4 main principles of fire prevention are
Prevention: preventing the spread of fire and/or reducing its effects.Detection and Communication :investigating the fire and finding it, then alerting the occupants and the fire department.Occupant Protection : assisting occupants in avoiding and escaping a fire's effectsContainment : containing fire and all of its effects to the smallest possible area.Extinguishment : putting out the flames and defending the areaenvironment.
There is always a risk because fires can occasionally break out despite your best efforts, but you also want to be sure you are making an effort to prevent them. This will significantly reduce any risks, which will make the time and effort required worthwhile because it will make your family safer than ever.
Hence, these principle when followed fire prevention can be managed.
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if 32.0 g of oxygen reacts with sufficient magnesium to produce magnesium oxide, what is the theoretical yield?
According to the stoichiometric equation, the theoretical yield of Magnesium oxide will be 80 grams.
[tex]2 Mg + O_{2} = 2MgO[/tex]
What is the Stoichiometric equation?
The greatest amount of product that can be produced is determined by the stoichiometry of a balanced chemical equation. The relative amounts of reactants and products in a balanced chemical equation are described by a reaction's stoichiometry.
What is a Theoretical yield?
The maximum amount of product that can be produced from the specified amounts of reactants is known as the theoretical yield. For instance, if 24.3 grams of magnesium and 32 grams of oxygen are combined, 56.3 grams of magnesium oxide should result. The maximum potential yield is 56.3 grams.
The Theoretical yield for this chemical reaction is 80 grams.
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What are 3 types of mutagens?.
Mutagens may be bodily mutagens, chemical mutagens, or biological mutagens.
In genetics, a mutagen is a physical or chemical agent that completely adjusts genetic cloth, typically DNA, in an organism and therefore will increase the frequency of mutations above the natural historical past stage.
Mutagenic retailers, which could threaten the integrity of the genetic code with the aid of inflicting mutations in DNA, pose a serious threat to human fitness. they've lengthy been implicated in a variety of genetically inherited afflictions, as well as most cancers, aging and neurodegenerative illnesses like Alzheimer's.
Many mutagens are highly poisonous to proliferating cells, and they may be frequently used to smash cancer cells. Alkylating dealers which include cyclophosphamide and cisplatin, as well as an intercalating agent along with daunorubicin and doxorubicin can be used in chemotherapy.
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if the amount of 2-naphthol used in this reaction was doubled, would the reaction rate be different? if so, how and why?
First order in the substrate and first order in the nucleophile define the rate of an SN2 reaction. The reaction rate doubles with a doubling of the substrate concentration. The rate also doubles when the concentration of the nucleophile is increased.
What is first order reaction?It is known as a first-order reaction when the rate of the reaction is proportional to the reactant concentration. Alternatively, the reaction rate doubles when the concentration is increased. The decomposition reaction is an example of a first-order reaction with one or two reactants.Depending on the concentration of one of the reactants, a first-order reaction rate will occur. Second-order reaction rates are inversely correlated with the square of a reactant's concentration or the product of the concentrations of two reactants.A chemical reaction that has only one reactant present at any given time has been referred to as a first-order reaction. If the first-order reactant concentration is doubled in such reactions, the process will accelerate.To learn more about first order reaction refer to :
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classify the substances according to the strongest solute-solvent interaction that will occur between the given substances and water during dissolution.
Intermolecular interaction occurs between the given substances and water during dissolution according to the strongest solute-solvent interaction.
Intermolecular bonds in covalent substances are Hydrogen bond. Dipole-dipole attraction, Dipole-induced dipole attraction , London dispersion forces. Water has polar OH bond. The negative O atom attract the positive H atoms in nearby molecules. It leads to the Hydrogen bonds. It is also called Dipole-dipole Force. Dipole -dipole forces occur between the water and substance during dissolution according to the strongest solute-solvent interaction. Hydrogen bonds are the strongest force present in the water dissolution. London dispersion force is also present in the water dissolution.
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how many liters of water can be made from 34 grams of oxygen gas and 6.0 grams of hydrogen gas at stp? what is the limiting reactant for this reaction?
According to the ideal gas law, the reaction can make 47 liters of water.
What is the ideal gas law?
The equation of state for a fictitious perfect gas is known as the ideal gas law, sometimes known as the generic gas equation.Although it has several limits, it is a decent approximation of the behavior of numerous gases under various conditions.Benoît Paul Émile Clapeyron introduced it for the first time in 1834 as a synthesis of the empirical Boyle's law, Charles' law, Avogadro's law, and Gay-law. Lussac'sIt is possible to assume that there are no intermolecular interactions between the molecules or atoms of an ideal gas in accordance with the underlying premises of the kinetic theory of ideal gasses.Its potential energy is therefore zero. As a result, the gas's only source of energy is the kinetic energy of its molecules or atoms.To know more about the ideal gas law, click the link given below:
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What is the meaning of 20 tens?.
20 tens, or 2010, equals 200 as the answer.
What purposes do TENS serve?A modest electrical current is used in transcutaneous electrical nerve stimulation (TENS), a technique for reducing pain. A TENS machine is a tiny, battery-powered gadget with electrode leads that are wired to sticky pads. The pads are immediately affixed to your skin.
TENS should be utilized when?According to studies, using TENS for at least 30 minutes while being active is the best strategy for treating chronic pain. When you're resting, lying down, or just sitting motionless, it works less well.
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which of the following would be the best evidence to support that a random genetic smaple came from a prokaryotic cell? responses the genetic material is organized into multiple strands of linear dna the genetic material is organized into multiple strands of linear dna the amount of genetic material is relatively larger than the genetic material found in any other type of cell. the amount of genetic material is relatively larger than the genetic material found in any other type of cell. the genetic material is structured as a circular molecule of dna the genetic material is structured as a circular molecule of dna the genetic sample obtained holds information in the form of rna molecules
As of around 3.5 billion years ago, there is fossil evidence of microbial mats or huge biofilms, which may be the oldest prokaryotic life forms on Earth.
How can prokaryotic cells carry genetic information?Bacteria and other prokaryotic cells have a free-floating, often circular chromosome that is not protected by a nuclear membrane. Instead, the DNA is merely present in the nucleoid, a part of the cell.
What one method of genetic information exchange does prokaryotic cell use?One bacterium can exchange genetic material with another directly through the process of conjugation. One bacterium acts as the genetic material donor during conjugation, and another bacterium acts as the recipient.
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If you have 163.1 ml of a 0.8450 m solution of sodium hydroxide, how many ml of a 0.450 m solution of sulfuric acid do you need in order to neutralize it?
0.1M sulfuric acid = 1000 ml solution contains 0.1 ml sulfuric acid
Mass of sulfuric acid = 0.01×98=0.98g
Stoichiometric equation:
[tex]2NaOH+H_{2}SO_{4} = Na_{2}SO_{4} + 2H_2O[/tex]
Mass of sodium hydroxide=0.8g
Hence, to neutralize 0.98 g of sulfuric acid 0.8 g of sodium hydroxide is required.
What is a stoichiometric equation?
Calculating the products and reactants in a chemical reaction is known as stoichiometry. Essentially, statistics are what it is about.
Stoichiometry is a crucial idea in chemistry that enables us to compute reactant and product amounts using balanced chemical equations. We employ the ratios from the balanced equation in this situation.
Generally speaking, the amount of substance present determines how all reactions will behave. of its molecules or atoms.
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Which of the following are changes that might take place during a chemical reaction? Select all that apply Choices are: - bonds are formed; - the reactants gain mass; - and Aton loses a proton from its nucleus; -a neutron is converted into a proton; -a proton is added to the nucleus of a atom; -an atom acquired an electron lone pair
-Bonds are formed- When atoms collide, they may form bonds with one another. This happens when the electrons in the outermost energy level of each atom interact and form a shared pair of electrons. The shared electrons hold the atoms together in a chemical bond.
The reactants gain massA chemical reaction involves the rearrangement of atoms. When the atoms are rearranged, they form new bonds with one another. As a result, the overall mass of the reactants increases.
And Aton loses a proton from its nucleusIn some reactions, an atom may lose a proton from its nucleus. This can happen when the atom reacts with another atom that has a stronger affinity for the proton.
A neutron is converted into a protonIn some reactions, a neutron may be converted into a proton. This can happen when the neutron reacts with another particle that has a higher energy than the neutron.
A proton is added to the nucleus of a atomIn some reactions, a proton may be added to the nucleus of an atom. This can happen when the atom reacts with another atom that has a weaker affinity for the proton.
An atom acquired an electron lone pairIn some reactions, an atom may acquire an electron lone pair. This can happen when the atom reacts with another atom that has a higher energy than the atom.
The products have less mass than the reactantsIn some reactions, the products have less mass than the reactants. This can happen when the atoms in the reactants are rearranged to form new bonds with one another.
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A sample of argon gas at stp occupies 56. 2 liters. Determine the mass of argon in the sample.
Answer:
[tex] \huge{\boxed{100.4 \: g}} [/tex]
Explanation:
In order to find the mass of the gas we must first find the number of moles of the gas at STP ( standard temperature and pressure) and use it together with the molar mass of the gas.
In order to find the number of moles from the volume given we use the formula;
[tex] n = \frac{V}{v_{m}}\\[/tex]
where
V is the volume of the gas
n is the number of moles
v(m) is the molar gas volume at stp which is
22.4 L/mol
From the question
V = 56.2 L
We have;
[tex] n = \frac{56.2}{22.4} = 2.508 \\ [/tex]
n = 2.51 moles
Now we use the formula m = M × n to find the mass of the gas
where
m is the mass
M is the molar mass
Molar mass of Argon = 40 g/mol
We have
m = 40 × 2.51 =. 100.4
We have the final answer as:
100.4 gacid was added to a2. what happened to the ph? explain briefly, referring to the contents of the well initially and describing any reaction that takes place with the added acid to affect the ph.
An acid was added to A2. referring to the contents of the well initially and describing any reaction that takes place with the added acid to affect the pH is the pH will decreases.
When we added acid to a solution then the hydrogen ions will increases and the pH of the solution will decreases. the pH will decreases means the solution becomes more acidic in nature.
Thus, An acid was added to A2. referring to the contents of the well initially and describing any reaction that takes place with the added acid to affect the pH is the pH will decreases.
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rank the following atoms in order of decreasing first ionization energies (i.e., highest to lowest): li, be, ba, f.
atoms in order of decreasing first ionization energies is given by F>Be>Li>Ba .
What is ionization energy?Ionization energy can be defined simply as a measurement of how difficult it is to remove an electron from an atom or ion or of an atom's or ion's propensity to give up an electron. Usually, when a chemical species is in its ground state, an electron is lost.
As an alternative, we can say that ionisation or ionisation energy is a measurement of the strength of the attractive forces that hold an electron in a specific location.
ionization energy can be defined more precisely as the least amount of energy that an electron in a gaseous atom or ion must absorb to escape the nucleus's influence. It is typically an endothermic reaction and is also known as the ionisation potential.
Ionization is the process of removing an electron from its orbit and moving it outside of the atom. Ionization energy is equal to the difference in energy between the energy of the electron in the initial orbit and the energy of the electron outside the atom since each orbit of the electron has a distinctive energy (in the infinite orbit from the nucleus).
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what is the molar mass of a substance if a total charge of 4934.5 c deposited 5.47 g of the substance on an electrode through a reaction involving 2 electrons?
To find the molar mass of a substance from the given information, you need to first determine the number of moles of the substance that was deposited on the electrode.
The charge on an electron is about -1.60 x 10^-19 coulombs, so the total charge of 4934.5 c deposited on the electrode corresponds to about 3092.19 moles of electrons. Since the reaction involves two electrons per mole of the substance, the number of moles of the substance deposited on the electrode is about 1546.1.
The molar mass of a substance is the mass of one mole of the substance, so to find the molar mass of the substance in this case, you need to divide the mass of the substance deposited on the electrode (5.47 g) by the number of moles of the substance (1546.1):
Molar mass = (5.47 g) / (1546.1 mol) = about 0.00356 g/mol
The unit for molar mass is usually grams per mole (g/mol), so the molar mass of the substance in this case is about 0.00356 g/mol.
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Do you know what a caucus?.
A caucus is a gathering of people who support or are members of a particular political party or movement. The precise definition varies according to country and political culture.
Caucuses are groups of Representatives who work together to achieve common objectives. Coalitions, study groups, task forces, and working groups are all terms for them. Caucus. A closed meeting at the state level of members of the same political party to vote on candidates for President and select delegates to represent that state at the National Convention later in the summer. The caduceus was carried by messengers and heralds in ancient Greece, apparently to protect the bearer by indicating that he was on a peaceful mission.
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A 0.250 g sample believed to be copper (Ii) acetate monoydrate required 11.84 mL of 0.105 M Na2S2O3 to reach the endpoint in an iodometric titration. Calculate the experimental percent by mass of copper in the sample and the theoretical mass percent of copper in copper (II) acetate monohydrate.
The mass percent of copper is 28.45 %. In , there are 1 copper atom and 2 bromine atoms.
How do you find the mass percent of copper?To get the mass percent of an element in a compound, multiply the result by 100 after dividing the mass of the element in 1 mole of the compound by the compound's molar mass. In , there are 1 copper atom and 2 bromine atoms.Mass percent = (mass of chemical / total mass of compound) x 100 is the formula for the mass percent of a compound.
Mass of copper= 63.54 g
Mass of copper bromide = 223.37 g
Putting values in above equation, we get:
mass of percentage copper = 63.54/223.37*100
= 28.45%
Hence, the mass percent of copper in copper bromide is 28.45 %.
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consider chromium contamination in a groundwater sample. at first, nothing is known of the chromium source, the groundwater characteristics, or the extent of the plume. rank in order the process for tracking the contamination and its remediation, with the first step on top.
As stated in the preceding sentence, Find out the water table and the site's geology.
What negative impacts does chromium have?According to some studies, chromium can occasionally cause irregular heartbeats, allergic responses, migraines, and sleep difficulties. Chromium may make renal or liver damage more likely. Must not take chromium if you have liver or kidney illness without first consulting your doctor.
Can chromium aid with weight loss?In addition to altering how glucose, insulin, and lipids are metabolized, chromium has also been shown to enhance lean body mass and lower body fat percentage, which may help people lose weight.
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the nuclear equation of the beta decay of 39/17Cl
The nuclear equation of the beta decay of 39/17 Cl is as follows:
39/17 Cl → 39/18 Cl + 0/-1 e
What is nuclear reaction?A nuclear reaction is a process such as the fission of an atomic nucleus, or the fusion of one or more atomic nuclei and/or subatomic particles in which the number of protons and/or neutrons in a nucleus changes.
The reaction products may contain a different element or a different isotope of the same element due to this change.
A beta decay is a nuclear reaction in which a beta particle (electron or positron) is emitted. A beta particle is an energetic electron or positron produced as the result of a nuclear reaction or nuclear decay. A beta decay occurs as depicted below;
A/Z X → A/(Z + 1) X‘ + e
Where;
A and Z are the mass number and atomic number of the decaying nucleusX and X′ are the initial and final elements, respectivelyTherefore, if a 39/17 Cl undergoes beta decay, the nuclear reaction can be given as follows:
39/17 Cl → 39/18 Cl + 0/-1 e
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In the energy and Specific Heat lab, you measure the temperature change of water to study the specific heat of a metal. What statement explains the relationship between the water and the metal you are studying? Select one: The temperature change of the metal is equal to the temperature change of the water. The heat lost by the metal is equal to the heat gained by the water. The initial temperature of the metal equals the initial temperature of the water. The heat lost by the metal plus the heat gained by the water equals 100
The heat acquired by the water offsets the energy losses by the metal.
Why is specific heat important? What is it?The quantity of heat per unit mass required to increase the temperature by one degree Celsius is known as the specific heat or specific heat. The ability to distinguish between 2 polymeric composites using specific heat can be useful in calculating the processing temperature and volume of heat required.
In plain English, whatever is specific heat capacity?A pure substance's specific heat per unit mass is referred to as its heat capacities, or simply heat capacity. To put it another way, it is described as the quantity of heat necessary to raise the temperature at 1 kg of a substance by 1 K. It is represented in terms of
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Thirty grams of lead oxide and fifteen grams of ammonia react completely to produce solid lead, nitrogen gas, and liquid water. What will be approximate mass of all three products?.
The stated assertion is that the combined mass of the three goods is about 45 g.
What is the purpose of nitrogen?The chemical industry depends on nitrogen. It is used to create explosives, nylon, nitric acid, fertilizers, and colors. Nitrogen must initially be combined with hydrogen to create ammonia in order to create these products. The Haber process is used for this.
Is nitrogen bad for people?People lose their lives every year by inhaling "air" with insufficient oxygen. Many people believe nitrogen gas is safe since it makes up 78 percent of something like the air we breathe. Only when nitrogen is combined with the right amount of oxygen is it safe to breathe, though.
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What kind of struggle does Marxism focus on in criticism?.
Marxist criticism focuses on the class struggle, particularly on the bourgeoisie's oppression of the proletariat (the have-nots) (the haves). as a part of its examination of class conflict.
What distinguishes Marxism from Socialism?Socialism is a system where the state owns or controls the means of production for the benefit of all, which is consistent with democracy and allows for a smooth transition from capitalism. Marxism both justifies and foresees the emergence of a classless, stateless society without private property.
What is a good illustration of Marxism?Marx held that capitalists ineluctably paid their employees less than the worth of the things they created. In other words, if a worker requires one pound to feed, clothe, and house themselves.
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Consider the insoluble compound iron(II) hydroxide, Fe(OH)2. The iron(II ion also forms a complex with cyanide ions. Write a balanced net ionic equation to show why the solubility of Fe(OH)2(s) increases in the presence of cyanide ions and calculate the equilibrium constant for this reaction. For Fe(CN)64(aq), Kf- 1.0x1035. Use the pull-down boxes to specify states such as (aq) or (s). 3 Knet
The net ionic reaction is written as; [tex]Fe(OH)_{2} (aq) + 2CN^-(aq) ------ > Fe(CN)_{2} (aq) + OH^-(aq)[/tex]
What is the net ionic reaction?We know that the net ionic reaction has to do with the kind of reaction that shows us all the species that have undergone a change in the system. Now we can see that the reaction occurs between the cyanide ion and the iron II hydroxide.
This implies that the cyanide ion would replace the hydroxide ion in the coordination sphere of the central iron II ion as we can see and we have been asked to put down the net reaction equation for the reaction.
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TRUE/FALSE. dimethylaminopyridine (dmap) is often used as a catalyst in esterification reactions. a basic solvent such as triethylamine is used to react with the liberated proton from the alcohol group.
Dimethylaminopyridine hydrochloride (dmap) is a recyclable catalyst used for the acylation of alcohols to form esters. It used used in a base free condition. Therefore, the statement is false.
What is a catalyst?A catalyst is chemical substance used to boost the rate of a reaction without undergoing a change itself. Hence, catalyst provide favorable platform for a reaction to occur.
Dimethylaminopyridine is a basic compound which and it is a recyclable catalyst used for the esterification reactions. In esterification alcohols are acylated to form esters using DMAP in the presence of acetic anhydride.
Acetic anhydride forms acetate ions which act as the base to accept the proton from the alcohol and it adds to the nucleophile DMAP. Hence, no need of any base such as triethylamine. Thus, the statement is false.
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FILL IN THE BLANK. having recently purchased a new computer, jake will invest in ___ that will protect his computer from data corruption, pop-up ads, hackers, identity theft, and other online-related threats.
Jake having recently purchased a new computer, jake will invest in Anti-spyware software that will protect his computer from data corruption, pop-up ads, hackers, identity theft, and other online-related threats.
Anti-spyware is a type of software used to find and get rid of unwanted spyware programs. A form of malware known as spyware is placed on a computer without the user's knowledge in order to collect information about them. Although there may be a security risk for the user as a result, spyware more frequently reduces system speed by using processing power, installing software, or redirecting users' browser activity.
Anti-spyware software identify spyware through definition files that have been downloaded or through rule-based detection methods. Anti-spyware software can be used to find and remove spyware that has already been downloaded and placed on the user's computer, or it can function similarly to an anti-virus application by providing real security and preventing spyware from ever being downloaded.
So, Jake will spend money on anti-spyware software to protect his computer against malware such as hackers, pop-up advertising, data loss, and identity theft.
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for a gas of nitrogen molecules n2 , what must the temperature be if 94.7 % of all the molecules have speeds less than 1500 m/s ?
In question 94.7 % or 0.947 corresponds to vrms = 1.6 since v = 1500 v/vrms= 1500/1.6 = 937.5 m/s
T = [tex](937.5 m/s)^{2}[/tex]× 0.028kg/mole ÷ 3× 8.314 J kg/mole
T = 987 K
What is Ideal gas law?
The relationship between a gas's pressure P, volume V, and temperature T in the range of low pressures and high temperatures, when the gas's molecules move virtually independently of one another, is known as the ideal gas law, also known as the perfect gas law. In this situation, the ideal gas law, often known as an equation of state, governs all gases: The universal (or perfect) gas constant, 8.31446261815324 joules per kelvin per mole, and n, the number of moles of the gas, are the two inputs into the formula PV, which equals nRT. The Boltzmann constant k multiplied by Avogadro's number NA yields the universal gas constant.
The International System of Units uses the units of joules, cubic metres (m3), newtons (N), pascals (Pa), and newtons per square metre (N/m2) to measure energy, volume, force, and pressure. One joule of work is produced for every newton of force travelling over a distance of one metre. As a result, the work dimensions are the same for both products, PV and nRT (energy).
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How is a neutral atom formed?.
When an atom contains an equal number of electrons and protons.
In an atomic nucleus, the electromagnetic force pulls an atom's electrons toward the protons. The nuclear force is what pulls the protons and neutrons in the nucleus toward one another. The electromagnetic force that separates the positively charged protons from one another is typically weaker than this force. In some cases, the nuclear force is overpowered by the electromagnetic force that attracts. The nucleus in this instance separates apart, leaving various parts behind. Nuclear decay occurs in this way.
The atomic number, or how many protons are in the nucleus, designates which chemical element an atom is a part of. As an illustration, copper is any atom with 29 protons.
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Suppose 13.8 g of sodium iodide is dissolved in 150. ml of a 0.60 M aqueous solution of silver nitrate. Calculate the final molarity of iodide anion in the solution. You can assume the volume of the solution doesn't change when the sodium iodide is dissolved in it. Round your answer to 1 significant digit.
Iodide anion has a molarity of 0.666 M in the solution.
NaI + AgNO3 ............> NaNO3 + AgI
No. of moles 0f NaI =13.8/138 =0.1
No. of moles 0f AgNO3 = 0.6*150/1000 = 0.09
After the reaction no. of moles 0f NaI = 0.01
No. of moles 0f AgNO3 =0
No. of moles 0f NaNO3 =0.09
No. of moles 0f AgI = 0.09
after the reaction no. of moles of I- = 0.01 + 0.09 = 0.1
M = (0.1/150) 1000
M = 0.666 M
Iodide anion in the solution has a molarity of 0.666 M.
Iodine is required by the body for healthy growth and development. Sodium iodide may be required for people who cannot obtain enough iodine from their normal diet or who require extra iodine.
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Does magnesium and oxygen form ionic bonds?.
Magnesium and oxygen form magnesium oxide as a result of another instance of ionic bonding.
Describe magnesium oxide.Magnesium oxide is a type of the mineral that is frequently consumed as a dietary supplement. Although it has a lesser absorption than that of other forms of magnesium, it might nevertheless be advantageous. Constipation and migraines are its two main uses. In some groups, it might also aid in lowering anxiety, blood sugar, and blood pressure.
What use does magnesium oxide serve?Different applications for magnesium oxide exist. As an antacid, some people take it to treat acid indigestion, sour stomach, and heartburn. In order to quickly and temporarily clear the bowels, magnesium oxide may also be used as a laxative (before surgery, for example). Use of it frequently is not advised.
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