Devise a three‑step synthesis of the product from 1‑methylcyclohexene
Answers
The three step synthesis of the product from 1-methyl cyclohexane includes the addition of;
C6H5CO3H in CH2Cl2C6H5Li in etherPCC in CH2Cl2.Three step synthesis from 1 methyl cyclohexeneThe three steps reaction involves the use of Reagannts such as;
Reagent 1: C6H5CO3H in CH2Cl2.Reagent 2: C6H5Li in ether.Reagent 3: PCC in CH2Cl2.Each step in the synthesis is arranged in the order:
Step 1: Epoxide formationStep 2: Nucleophilic additionStep 3: Oxidation of OH group.Read more on three step synthesis;
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Three step synthesis of the product from 1‑methylcyclohexene includes epoxide formation, nucleophilic attack and oxidation of -OH group.
What is synthesis reaction?Synthesis reactions are those reactions in which formation of new product takes place by the rearrangement or combination of reactant molecules.
Given question is incomplete so the complete pic of the question is attached below. In the given reaction reagents 1, 2 and 3 are used is C₆H₅CO₃H in CH₂Cl₂, C₆H₅Li in ether and PCC in CH₂Cl₂ respectively.
In the tree step synthesis process, in the first step formation of epoxide takes place, in the second step attack of nucleophile on epoxide takes place and finally in the third step oxidation of hydroxyl group to ketone group takes plce.
Hence 3 step synthesis includes epoxide formation, nucleophilic attack and oxidation of -OH group.
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Related Questions
The percentage of keys you type correctly is A. accuracy B. correctness C. exactness D. precision WHO EVER GETS THIS EARNS BRAINLIST!
Answers
Generic Formula & Molecular Geometry of o3
Answers
Answer:
We use the following formula as given below Use the formula below to find the lone pair on the oxygen atom of the SO3 molecule. L.P (O) = V.E (O) – N.A (S-O) Lone pair on the terminal oxygen atom in SO3 = L.P (O)
Explanation:
Would the ph at the equivalence point be acidic, basic, or neutral for each given titration?.
Answers
Answer:
At the equivalence point, equal amounts of H+ and OH– ions will combine to form H2O, resulting in a pH of 7.0 (neutral). The pH at the equivalence point for this titration will always be 7.0, note that this is true only for titrations of strong acid with strong base.
Explanation:
Make a prediction about what will happen in this chemical reaction.
1. Add about 5 mL of Copper (II) sulfate solution into a small beaker.
2. Add a small bundle of steel wool (iron).
3. Leave to sit while you complete the rest of your reactions, but be sure to keep an
eye on this one throughout the lab.
Answers
Since iron is more reactive than copper, when steel wopl is placed in a solution of copper (II) sulfate solution into a small beaker, it dissolves and copper metal is produced.
What is a displacement reaction?A displacement reaction is one in which a more reactive element displaces another from its compound.
Reactive metals displace less reactive metals from their solutions.
Iron is a more reactive metal than copper and will displace copper from a solution of its salt.
Therefore, when steel wool is placed in a solution of copper (II) sulfate solution into a small beaker, the iron dissolves and copper metal is produced.
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Why does a short circuit occur?
A. Current likes to try and break the circuit whenever possible
B. Current always follows the path of least resistance
C. Current always follows the path of most resistance
D. Current randomly flows around the circuit
Answers
Answer:
Current randomly flows around the circuitt
Answer:
B. Current always follows the path of least resistance.
Explanation:
A short circuit occurs when the current finds a way to bypass the appliance on a path that has little or no resistance. When one path through the circuit has 0 resistance (a short circuit), current follows the path of least resistance only.
A solute is added to water and a portion of the solute remains undissolved. When equilibrium between the dissolved
Answers
Answer:
are you to measures how much solute dissolved with the water or trying to measure how much more water you need the solute to dissolve in ?
The solute is a component of the solution that is added to a solvent to make a solution. when equilibrium is attained then the solution will be saturated.
What is a saturated solution?A saturated solution is a solution that contains the maximum amount of dissolved solute particles in it and cannot further dissolve solutes added additionally.
When the solute is added and does not get dissolved then the equilibrium between dissolved and undissolved is reached and the solution becomes saturated.
Therefore, the solution is saturated.
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If an object does Not explode, catch fire, or dissolve, how would you describe this object? (Three answers)
Answers
Non-combustible
eg:-glass,water,stone, Portland cement etc ...
Answer:
Noncombustible
Explanation:
Not explode means no blastsCan't catch fire hence no combustionnot dissolve means not reacts with H and OSo
Some examples are ,glass ,stone
The video uses visual representations to show the generation and travel of radio waves. What did you learn about radio waves from these representations?
Answers
Answer: I learned that almost every technology has radio waves that spread out from their sources.
Explanation:
Two posssible lewis structures for the molecule ch2s are given. determine the formal charge on each atom in both structures
Answers
The formal charge on each atom can be known by counting up the number of valence electrons that is present on each atom.
What is Lewis structure?The term Lewis structure is the representation of a compound using its symbols and showing the valence electrons as dots. This question is incomplete as the Lewis structures were not shown.
If it is shown, we can know the formal charge on each atom by counting up the number of valence electrons that is present on each atom.
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It's sunny in new york, but it is cool. where would you expect to find this lizard during the day? question 16 options: under a rock in a damp stream bed basking in a sunny spot in a hole in the ground
Answers
It's sunny in new york, but it is cool, we will expect to find lizard under a rock or in a hole in the ground.
Why lizards are not comfortable in cold?Lizards are not comfortable in the cold season as they are cold blooded animal, so their body will gets slow in the winter season.
During the winter season or in the cool weather, lizards will go to the places where they faces less cooling. And these places be like inside the rocks, under a hole, under the ground, in the trunks of trees, etc.
Hence, options (1) and (4) are correct.
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What enables humans to "see" light in the infrared range of the electromagnetic spectrum?
RF technology
UV converter
microwave sensor
night-vision goggles
Answers
Night vision Goggle's help human to see light in the infrared range of the electromagnetic spectrum.
What is Night vision Goggle's?Night-vision device Goggle is an optical device that is use to view images and allows images to be produced or refracted at different levels of lnfrared light approaching from electromagnetic spectrum.
Therefore, Night vision Goggle's help human to see light in the infrared range of the electromagnetic spectrum
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Consider the chemical equation. 2h2 o2 right arrow. 2h2o what is the percent yield of h2o if 87.0 g of h2o is produced by combining 95.0 g of o2 and 11.0 g of h2? use percent yield equals startfraction actual yield over theoretical yield endfraction times 100.. 56.5% 59.0% 88.5% 99.7%
Answers
The percent yield of H₂O, if 87.0 g of H₂O is produced by combining 95.0 g of O₂ and 11.0 g of H₂ is 87.87%.
How do we calculate mass from moles?Mass of any substance will be calculated by using their moles as:
n = W/M, where
W = given or required mass
M = molar mass
Moles of 95g of Oxygen (O₂) = 95g / 32g/mol = 2.96 moles
Moles of 11g of hydrogen (H₂) = 11g / 2g/mol = 5.5 moles
Given chemical reaction is:
2H₂ + O₂ → 2H₂O
From the stoichiometry of the reaction, it is clear that:
1 moles of O₂ = reacts with 2 moles of H₂
2.96 moles of O₂ = reacts with 2×2.96=5.92 moles of H₂
Here hydrogen is the limiting reagent as it has lower moles and formation of water depends on this only.
2 moles of H₂ = produces 2 moles of water
5.5 moles of H₂ = produces 5.5 moles of water
Mass of 5.5 moles of water will be calculated as:
W = (5.5mol)(18g/mol) = 99g
Given theoretical yield of water = 87g
% yield of water will be calculated as:
% yield = (87 / 99)×100 = 87.87%
Hence required value is 87.87%.
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Answer:
D
Explanation:
Justify why sound cannot travel through space.
Answers
Answer:
Sound does not travel at all in space. The vacuum of outer space has essentially zero air. Because sound is just vibrating air, space has no air to vibrate and therefore no sound.
rate brainliest!
A chemist creates a reaction between nitrogen and oxygen to form nitrogen monoxide. This reaction is shown by the equation N2(g) + O2(g) ⟶ 2NO(g). The time interval of this reaction is t1 = 12 seconds to t2 = 22 seconds. During this reaction, the O2 concentration changes from 0.237 mol/L to 0.207 mol/L.
What is the average reaction rate for O2 in this reaction?
Answers
Answer: here's the answer to your question
1.3 ×10¹ is the average reaction rate for O[tex]_2[/tex] in this reaction N2(g) + O2(g) ⟶ 2NO(g).
What is rate of reaction?
The pace during which a chemical response takes place is known as the reaction rate and rate of reaction. It is proportional to the rise in product concentration per unit time and the fall in reactant concentration per unit time. Response times can differ wildly.
For instance, cellulose burns in a fire in a matter of seconds as opposed to the sluggish, years-long oxidative corrosion of iron that occurs under Earth's atmosphere. For the majority of reactions, the rate gets slower as it goes along. By tracking the concentration changes over time, one can calculate the pace of a reaction.
concentration of N[tex]_2[/tex] =0.34/0.75=0.45M
concentration of O[tex]_2[/tex] =0.34/0.75=0.45M
concentration of NO=1.2/0.75=1.6
Kc = [NO]²/ [ N[tex]_2[/tex] ] × [ O[tex]_2[/tex] ]
= [0.45]²/ [ 0.45 ] × [ 1.6 ]
= 1.3 ×10¹
Therefore, 1.3 ×10¹ is the reaction rate.
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A chemist is studying a chemical compound that
has equal numbers of carbon atoms and hydrogen atoms. She calculates that the
carbon atoms have a mass of 24 grams. What is the mass of the hydrogen atoms?
Explain your reasoning.
Answers
The mass of hydrogen atoms in the compound would be 2 grams.
Stoichiometric calculationThe carbon atoms in the compound have a mass of 24 grams.
One carbon atom has a mass of 12 grams. Thus, there are two (12 x 2 = 24) carbon atoms in the compound.
This means that there are also two hydrogen atoms in the compound. One hydrogen atom weighs 1 gram. Hence, the mass of the hydrogen atoms in the compound will be 2 grams.
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From the table of available reagents select the one(s) you would use to convert cyclohexanone to the following compound:
Answers
A reagent is a compound that is used for the detection of the absence or presence of another substance.
What are reagents?Your information is incomplete as the available reagents aren't given. Therefore, an overview will be given.
Reagents are the integral part of a chemical reaction as they facilitate a reaction. A reagent is usually used tests.
Some typical examples of reagents include Tollens reagent, Fehling's reagent, Million's reagent, etc.
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The reagents that would be used to convert cyclohexanone to the following compound: hydrogen cyanide, potassium cyanide, and H₃O⁺, heat.
What is cyclohexanone?It is an organic compound with a chemical formula [tex]\rm (CH_2)_5 CO[/tex].
The cyclohexanone is used as Insecticides, paint and varnish remover, synthetic resins, etc.
It is not harmful to humans and animals, inhalation cause irritation.
Thus, the compound: hydrogen cyanide, potassium cyanide, and H₃O⁺, heat.
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if 146.5 g of chromium(lll) chlorate decomposes, what mass of oxygen can be produced?
Answers
Answer:
The Equation for this reaction is as follow,
2 Cr(ClO₃)₃ → 2 CrCl₃ + 9 O₂
According to eq,
604.68 g (2mole) of Cr(ClO₃)₃ produces = 288 g (9 moles) of O₂
So,
146.5 g of Cr(ClO₃)₃ will produce = X g of O₂
Solving for X,
X = (146.5 g × 288 g) ÷ 604.68 g
X = 69.77 g of O₂
Hello people ~
CO2 extinguishers help extinguish fires by –
A. Cutting supply of nitrogen.
B. Limiting the supply of fuel.
C. Reducing the heat of the surroundings.
D. Cutting the supply of oxygen
Answers
Answer:
Cutting the supply of oxygen
Explanation:
We know that a thing need three things to burn
Oxygen Heat flammable object .Co_2 stops oxygen supply so fire gets extinguished
If a reaction is second-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 4, the reaction rate will _____
Answers
Answer:
A reaction is second order with respect to a reactant.
Rate =k[A]
2
(i) If the concentration of the reactant is doubled, the rate of reaction becomes 4 times .
(ii) If the concentration of the reactant is reduced to half, the rate of reaction becomes one fourth.
Explanation:
If a reaction is second-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 4, the reaction rate will increased by factor 16.
How do we calculate the rate of second order reaction?Rate of the second order reaction will depends on the concentrations of one second-order reactant or two first-order reactants as:
Rate(1) = k[A]²
If the concentration of reactant becomes 4 times the initial concentration then rate will be:
Rate = k[4A]²
Rate(2) = 16k[A]²
Rate(2) = 16Rate(1)
Hence rate will increased by 16 times.
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What chemical property determines the strength of an acid?.
Answers
Which of these describes an ethical dilemma that drug designers could face?
a. whether people should take medicine or if instead they should
seek alternative treatments.
b. a drug lowers blood pressure but can cause severe coughing
spells.
c. a new drug is effective in preventing cancer cells from
reproducing
o d. a drug for blood pressure is absorbed in the colon. it is effective,
but occasionally it can erode the colon walls.
Answers
The statement 'whether people should take medicine or if they should seek alternative treatments' describes an ethical dilemma that drug designers face.
What is drug development?Drug development refers to all the processes from target drug identification to drug validation and commercialization.
Drug development involves different stages of development including preclinical and clinical trials.
Ethical dilemmas in drug development include the release of a drug that is ineffective when compared to parallel treatments.
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Answer:
A drug for blood pressure is absorbed in the colon. It is effective, but occasionally it can erode the colon walls.
Explanation:
i just took the test and got it right.... i hope this helps :)
The equation for the burning of hydrogen is:
2H2(g) + O2(g) → 2H2O(g)
One mole of hydrogen gas is mixed with one mole of oxygen gas and burnt. What will
be present after the reaction?
Answers
In the titration of 50. 0 mL of 0. 400 M HCOOH with 0. 150 M LiOH, how many mL of LiOH are required to reach the equivalence point
Answers
The volume of the 0.15 M LiOH solution required to react with 50 mL of 0.4 M HCOOH to the equivalence point is 133.3 mL
Balanced equationHCOOH + LiOH —> HCOOLi + H₂O
From the balanced equation above,
The mole ratio of the acid, HCOOH (nA) = 1
The mole ratio of the base, LiOH (nB) = 1
How to determine the volume of LiOH Molarity of acid, HCOOH (Ma) = 0.4 MVolume of acid, HCOOH (Va) = 50 mLMolarity of base, LiOH (Mb) = 0.15 MVolume of base, LiOH (Vb) =?MaVa / MbVb = nA / nB
(0.4 × 50) / (0.15 × Vb) = 1
20 / (0.15 × Vb) = 1
Cross multiply
0.15 × Vb = 20
Divide both side by 0.15
Vb = 20 / 0.15
Vb = 133.3 mL
Thus, the volume of the LiOH solution needed is 133.3 mL
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hello people ~
Give the ratio in which hydrogen and oxygen are present in water by volume.
(a) 1:2
(b) 1:1
(c) 2:1
(d) 1:8
Answers
Answer:
Explanation:
The volume of Hydrogen and Oxygen molecules are not the same but assuming that they are, the ratio in water which is H2O would be
(c) 2:1
Between which atoms do hydrogen bonds form in water?
A) Oxygen and hydrogen atoms in the same water molecule
B) Oxygen and hydrogen atoms in different water molecules
C) Hydrogen atoms in the same water molecule
D) Oxygen atoms of different water molecules
Answers
Answer:
right answer is A bcz
Explanation:
In the case of water, hydrogen bonds form between neighboring hydrogen and oxygen atoms of adjacent water molecules. The attraction between individual water molecules creates a bond known as a hydrogen bond.
Answer:
oxygen and hydrogen indifferent molecules
Suggest the pH of the solution made when potassium oxide dissolves in water.
Answers
It gets basic
ie ph>7 for basic solutions
You see color when light waves are reflected off an object or ____ by an object
Answers
Answer:
absorbed
Explanation:
Different colors of light can be reflected or absorbed and that determines color. For instance an object that absorbs every color but green will appear green to the human eye.
How many moles of oxygen are in 8.25 g of oxygen
Answers
Answer:
0.258 moles of Oxygen.
Explanation:
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Find grocery items in your home look and see the product label at the back of each item identify the elements or compounds on each item use the table below for this activity grocery time 123456789 10 elements compounds
Answers
The chemical elements and compounds that are present in a grocery item such as mayonnaise include:
OilEmulsifier Vinegar SpicesSugarWhat is a product label?A product label can be defined as a paper document which contains information about the nutrients, chemical elements, and other compounds that are present in a product such as a battery, food or an edible material.
This ultimately implies that, a product label is a paper document which is used by manufactures to specify the nutrients, chemical elements, and other compounds that were used to make a particular product.
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help ty! I just need help with the third one
Answers
Answer:
D
Explanation:
because if a flea is on a dog that is a parisite to host relashionship
Answer:
for number 3 is D
Explanation:
but i am not 100% sure of that