in each reaction box, place the best reagent and conditions that give the following alkene as the major product.
Answers
The conditions for alkene as a major product is attaching EWG with a aromatic compounds.
In the event that hydrogen is added to the tertiary carbon of an alkene, secondary carbocation is also a scenario that may arise; however, tertiary cation is more stable than secondary. Alkene is the end product following the release of H. A significant product is more substituted alkene.
We frequently overlook the ion concentration in water for the same reason that we frequently ignore the electron mass (we just add the protons and neutrons) due to their tiny size. The -log(conc) cannot be taken in this case.
The substituted alkane must have a low leaving group for E1cB to take place. The E1cB reaction is favored by strong EWG at the carbon and a weak leaving group. One of its beta carbons must also have a hydrogen on it. Fluorine, a poor leaving group, is present in reactant.
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Related Questions
H2(g)+O2(g)→H2O(l) Express your answer as a chemical equation. Identify all of the phases in your answer.
Answers
Phases in the given chemical reaction:
Hydrogen H₂ is in gas (g) phase
Oxygen O₂ is in gas (g) phase.
Water H₂O is in liquid (l) phase.
What is a phase?A phase in thermodynamics that is a chemically and physically homogeneous or homogeneous amount of substance that can be mechanically separated from a heterogeneous mixture and that can consist of a single substance or a mixture of substances. The three basic phases of matter are solid, liquid, and gaseous (vapor), but others are believed to exist, including crystalline, colloidal, glassy, amorphous, and plasma phases. A phase change is said to have occurred when a phase changes from one form to another.
For the given reaction,
H₂(g) + O₂(g) → H₂O(l)
Hydrogen and oxygen are present in gaseous phase, while water is in liquid phase.
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Which of the following is not true about the volume of a gas? O Generally, the volume can be easily changed. O Most of the volume is empty space. O The volume is occupied by particles in continuous, rapid, random motion. O The volume is about 10 times greater than that occupied by an equal number of particles in the liquid or solid state.
Answers
Answer:
O The volume is about 10 times greater than that occupied by an equal number of particles in the liquid or solid state.
PLS HELP URGENT
13)
Calculate the atomic mass of C by using the data from carbon isotopes.
The abundance of 12C is 98.93%. 13C is another naturally occurring isotope. What is the percent abundance of 13C?
The mass of 13C is 13.003 amu. Multiply the mass of 13C by its abundance. Report the number to 3 significant digits.
The mass of 12C is 12.000 amu. Multiply the mass of 12C by its abundance. Report the number to 5 significant digits.
Add the last two numbers together to get the atomic mass of carbon. Report the number to 5 significant digits.
Answers
Explanation:
Actually the total abundant of isotopes of any element in the world must sum up to 100 percent. So we initially know that 12c is 98.9 percent. Therefore the remaining of the remains of 100 must be 12
3c = 100%- 98.9
13c= 1.1%
in a experiment similar to yours, a solution is prepared by adding 4.512 g of slaked lime also known as calcium hydroxide to 500.00 ml of water. a. what is the molarity of the solution
Answers
0.1218 M is the molarity of the solution
mole of Ca(oH)2 == mass/ molar mass
= 4.152/74.053
=0.060 g. mol
volume of the solution= 500ml
=500/1000
= 0.5 L
Molarity= mole/ litre
= 0.060 g mol/ 0.5L
= o.1218 M
The amount of a solute per unit volume of solution is how much a chemical entity is present in a solution, and this is known as its molar concentration. "The molarity of products is divided by the molarity of reactants" is the formula for determining an equilibrium constant.
in a experiment similar to yours, a solution is prepared by adding 4.512 g of slaked lime also known as calcium hydroxide to 500.00 ml of water. a. what is the molarity of the solution
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Oil used to lubricate automobile engines is not biodegradable. What is the BEST way of disposing of this used oil?
A.
use it to paint a wooden fence to make it water repellant
B.
put it on the weeds in a park to kill the weeds
C.
take it to the local automotive parts store to be recycled
D.
pour it down the drain so it can go to the water recycling plant
Answers
Answer:
it is C. take it to the local automotive parts store to be recycled
Explanation:
hope this helped have a nice day!
What type of nuclear reaction occurs in the Sun?
Answers
Hello,
I hope you and your family are doing well!
The nuclear reactions that occur in the Sun are fusion reactions.
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Happy Holidays!
Jack can drink a bottle of cider in 6 days. Jill can drink a bottle of cider in 12 days.
Answers
The combined rate when Jack and Jill drink together at their respective speeds ,the bottle of cider will finish in 4 days.
A rate in mathematics is indeed the ratio of two related elements stated in different units.The numerator of the ratio indicates the equivalent rate of increase in the other (dependent) variable if the denominator is given as a single entity of one of these values and it is expected that this number may well be changed consistently (i.e., is an output factor).
Jill drinks in one day= 1/12 bottle
Jack consumes 1/6 bottle in a day.
Together they will drink = 1/12+1/6 = 3/12 = 1/4 bottle
"Per unit of time" is a prevalent rate unit that includes ideas like speed, heart rate, and flux.Electric field ratios, exchange rates, and literacy rates are non-time denominators Hence Jack and Jill will completely drink the bottle in 4 days .
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Which atom ha the electron configuration 12 2 2 2p 6 3 2 3p 6 4 2 3d 10 4p 6 5 2 4d 2 ? Why?
Answers
The element Zirconium has the given electronic configurations because its atomic number is 40 and its electrons are present in d subshell since it is a d block element.
Zr (Zirconium) is an element with atomic number 40 in the periodic table located in the V (fifth) period having melting point 1852 ℃. and density: 6.51 g/cm³. Electronic configuration of Zirconium atom in ascending order of orbital energies:
1s² 2s² p⁶ 3s² p⁶ d¹⁰ 4s² p⁶ 5s² 4d²
The electronic configuration of the Zirconium atom in the ascending order of the levels:
1s² 2s² p⁶ 3s² p⁶ d¹⁰ 4s²p⁶d² 5s²
The reduced electronic configuration of Zr:
[Kr] 4d² 5s²
Therefore Zirconium atom is the element having given electronic configuration
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what is the reaction between phosphate ion (PO4 3-) and hydronium ion (H3O+)
Answers
Answer:
H3O+(aq) + PO43−(aq) ⇌ HPO42−(aq) + H2O(l)
Notice that the total charge (2-) is the same on both sides of the equation, and that this is reaction can take place in both directions.
Explanation:
i hope it helps uh..!!mark me as brainliest ♥️the famous gold foil experiment proved that the nucleus an atom negatively charged and has a low density true or false
Answers
Answer:
false, Rutherford's experiment proved the nucleus being positive and dense.
Lead (atomic radiu = 0. 181 nm) crytallize with a face-centered cubic unit cell. What i the length of a ide of the cell?
Answers
The length of the side of the cell is 0.511nm when lead crystallizes with a face-centred cubic (fcc) unit cell.
What do you mean by crystallizes?
Having a distinct shape, a crystal is solid. When the symmetrically aligned smooth plane surfaces of crystals collide, sharp edges are created. After cooling a heated saturated solution, crystals can be formed. Crystallization is the name given to this procedure.
What is Face-centered cubic?
A face-centred cubic unit cell structure is made up of atoms arranged in a cube with six additional whole atoms placed in the centre of each cube face and a fraction of an atom at each of the cube's four corners. Eight additional unit cells share the atoms at the cube's corner.
What are the calculations?
For the fcc unit cell, a=2 √2 r.
Here, a is the edge length and r is the atomic radius (0.181 nm).
a=2 √2 × 0.181 =0.511 nm.
Hence, the length of a side of a cell is 0.511nm.
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What is the formula for cobalt(II) nitride?
Answers
Answer:
Co(NO3)2
Explanation:
The chemical formula for cobalt(II) nitride is Co₃N₂ which has 3 and 2 cobalt and nitrogen atoms respectively.
What is chemical formula?Chemical formula is a way of representing the number of atoms present in a compound or molecule.It is written with the help of symbols of elements. It also makes use of brackets and subscripts.
Subscripts are used to denote number of atoms of each element and brackets indicate presence of group of atoms. Chemical formula does not contain words. Chemical formula in the simplest form is called empirical formula.
It is not the same as structural formula and does not have any information regarding structure.It does not provide any information regarding structure of molecule as obtained in structural formula.
There are four types of chemical formula:
1)empirical formula
2) structural formula
3)condensed formula
4)molecular formula
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Pls, help I don't get it Compare and contrast Marine and freshwater ecosystems
Answers
The saltwater of the ocean creates the marine ecosystem. Freshwater bodies of water, such as lakes, ponds, streams, and rivers, make up the freshwater ecosystem.
What are ecosystems?
All the organisms and the physical setting they interact with make up an ecosystem. The nutrition cycles and energy flows connect these biotic and abiotic elements.
The marine biome, which makes up around 70% of the planet's surface, is the largest biome. On Earth, freshwater biomes make up about 20% of the land. The salt content distinguishes the two. They both have several aquatic animal species.
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how many electrons are gained in a balanced half-reaction in which chlorine gas is reduced to the aqueous chloride ion?
Answers
Each chlorine atom acquires an electron during the reaction to create a chloride ion (Cl-), which is the process known as reduction.
What is an example of a redox reaction?A redox reaction is when there is simultaneous oxidation and reduction. CuO+H2→Cu+H2O. Example: In this process, hydrogen is oxidized to water while copper oxide is reduced to copper.
Combination, breakdown, displacement, combustion, and disproportionation are the five primary categories of redox processes.
The definition was eventually expanded to cover additional processes in which electrons are lost, regardless of whether oxygen was present, because it was understood that the material loses electrons when it is oxidized.
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3. A solution contains 0.42 moles of solute in 0.75 L. Calculate the molarity of the solution.
Answers
0.56 is the molarity of a solution.
Molarity (M): It is defined as the number of moles of solute per liter of solution, and it is one of the most common units used for the purpose of measuring the concentration of a solution.
To calculate molarity we have three steps:
To Find the number of moles of solute which dissolved in the solution,Find the volume of solution in liters.Later, Divide the moles of solute by liters of solution.To define the molarity of the solution we have a small formula:
Molarity=moles/Liters-----(1)
Given that
m=0.42
L=0.75
By, substituting the m and L values in equation(1) we get:
Molarity=0.42moles of solution/0.75 L of solution
Molarity=0.56M
Hence, The molarity of this solution is 0.56 M (moles per liter).
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three moles of a monatomic ideal gas undergoes an isochoric process in which the temperature changes from 500 k to 300 k. calculate the change in volume during this process (in m3).
Answers
Change in volume is 0 m3 when three moles of a monatomic ideal gas undergoes an isochoric process in which the temperature changes from 500 k to 300 k.
An isochoric process, also known as a constant-volume process, isovolumetric process, or isometric process in thermodynamics, is a thermodynamic process where the volume of the closed system having undergone such a method remains constant.
In everyday life, we see an isochoric process once we boil the water in a pressure cooker. Because the temperature increase is accomplished at a constant volume, we encounter an isovolumetric process when we transfer heat to the container.
In this problem we have T1=500K T2=300K
Since in isochoric process volume in constant, change in volume = 0
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