Answers
From the mechanism shown, the major product of the reaction is (S)-(+)-2-octanol.
What is an SN2 reaction?An SN2 reaction is one in which there is an inversion of configuration and the attack of the nucleophile occurs from behind the substrate.
As shown in the mechanism attached here, the major product of this reaction is (S)-(+)-2-octanol.
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Related Questions
how many moles are in 150 grams lf NaOH
Answers
Answer:
3.75 mole
Explanation:
molecular mass of NaOH = 39.97 gm
i.e,
==>39.97 gm NaOH contains 1 mole of NaOH
==>1 gm of NaOH contains 1/39.97 mole of NaOH
==>150 gm of NaOH contains (1/39.97) *150 mole of NaOH
==>150 gm of NaOH contains 3.75 mole of NaOH.
considering the temperature vs. time graph below, how does the temperature at the beginning of a change of state
ompare with the temperature at the end of the change?
O The temperature is always lower.
O The temperature is always the same.
O The temperature is usually lower.
The temperature is usually higher.
Answers
Answer:
temp is same
Explanation:
The change of state portionsof the graph are at 2 and 4....and the temp is the same at the beginning and ends.
change of state is a constant temp process
How many grams of Ca(OH)2 are needed to produce 500 ml of 1.66 M Ca(OH)2 solution?
Answers
61.5 grams of Ca(OH)2 are needed to produce 500 ml of 1.66 M Ca(OH)2 solution. Details about mass can be found below.
How to calculate mass?The mass of a substance can be calculated by multiplying the number
of moles of the substance by its molar mass.
However, in this question, the number of moles in 500 ml of 1.66 M Ca(OH)2 solution must be calculated first.
no of moles = 1.66M × 0.5L
no of moles = 0.83moles
molar mass of Ca(OH)2 = 74.093 g/mol
mass of Ca(OH)2 = 74.093 × 0.83 = 61.5g
Therefore, 61.5 grams of Ca(OH)2 are needed to produce 500 ml of 1.66 M Ca(OH)2 solution.
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How do the valence electrons of an atom affect chemical reactions?
Answers
Answer:
Electrons of an atom can affect chemical reactions, because electrons have a negative charge, which can introduce a form of energy.
The kind of
reproduction that requires two
parents is called
What’s the answer for 3 and 8 please answer as soon as Possible due tomorrow morning.
Answers
Answer:
fgrthrdfghgfgfhfdhfdh
Explanation:
fdhhfgdghhdfghdfhgfhgfgh
The temperature of 150 mL of water is 25°C. What must happen for the
temperature of the water to increase to 35°C?
A. Water must be removed to decrease the thermal energy.
OB. More water must be added to increase the thermal energy.
C. Thermal energy must be transferred to the water to increase the
average kinetic energy of the water molecules.
D. Thermal energy must be transferred from the water to decrease
the average kinetic energy of the water molecules.
Answers
48g of 02 produce how many grams of Al2O3
Answers
Taking into account the reaction stoichiometry, 102 grams of Al₂O₃ are formed when 48 grams of O₂ react.
Reaction stoichiometryIn first place, the balanced reaction is:
4 Al + 3 O₂ → 2 Al₂O₃
By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:
Al: 4 moles O₂: 3 molesAl₂O₃: 2 molesThe molar mass of the compounds is:
Al: 27 g/moleO₂: 32 g/moleAl₂O₃: 102 g/moleThen, by reaction stoichiometry, the following mass quantities of each compound participate in the reaction:
Al: 4 moles ×27 g/mole= 108 gramsO₂: 3 moles ×32 g/mole= 96 gramsAl₂O₃: 2 moles ×102 g/mole= 204 gramsMass of Al₂O₃ formedThe following rule of three can be applied: if by reaction stoichiometry 96 grams of O₂ form 204 grams of Al₂O₃, 48 grams of O₂ form how much mass of Al₂O₃?
[tex]mass of Al_{2} O_{3} =\frac{48 grams of O_{2} x204 grams of Al_{2} O_{3}}{96 grams of O_{2}}[/tex]
mass of Al₂O₃= 102 grams
Finally, 102 grams of Al₂O₃ are formed when 48 grams of O₂ react.
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20.0 g of bromic acid, HBrO3, is reacted with excess HBr.
HBrO3 (aq) + 5 HBr (aq) → 3 H2O (l) + 3 Br2 (aq)
What is the theoretical yield of Br2 for this reaction? Round your answer to the nearest gram.
Answers
After Rounding off The percentage yield is 64%
What is Percentage Yield ?It is the ratio of actual yield to theoretical yield multiplied by 100% .
It is given in the question
20.0 g of bromic acid, HBrO3, is reacted with excess HBr.
The reaction is
HBrO₃ (aq) + 5 HBr (aq) → 3 H₂O (l) + 3 Br₂ (aq)
Actual yield = 47.3 grams
Molecular weight of Bromic Acid is 128.91 gram
Moles of Bromic Acid = 20/128.91 = 0.155 mole
Mole fraction ratio of Bromic Acid to Bromine is 1 :3
Therefore for 0.155 mole of Bromic Acid 3 * 0.155 = 0.465 mole of Bromine is produced.
1 mole of Bromine = 159.8 grams of Bromine
0.465 of Bromine = 74.31 grams of Bromine
Percentage Yield = (47.3/74.31)*100 = 63.65 %
After Rounding off The percentage yield is 64% .
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Answer:
74g
Explanation:
The other person had said that the Percentage Yield = (47.3/74.31)*100 = 63.65 %
So, since to find the percent yield you have to divide the actual yield by the theoretical yield, I would assume the theoretical yield is 74.31g (74g if you round to the nearest gram)
Balance the equation by inserting coefficients as needed. equation: C 2 H 6 O+O 2 longrightarrow CO 2 +H 2 O
Answers
The coefficients needed to balance the equation would be 2, 7, 4, and 6 respectively.
Balancing chemical equationThis requires that the number of atoms of each element is the same both on the reactant and product's sides.
Hence, the balanced equation of the reaction becomes:
[tex]2C_2 H_6 O+ 7O_2 --- > 4CO_2 +6H_2 O[/tex]
Thus, the coefficient for each species would be 2, 7, 4, and 6 respectively.
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Which statement is true of magnets
Answers
The statement that is true about magnets is ''Similar poles of a magnet repel each other.''
What are the characteristics of magnet?All magnets have both north and south poles. Opposite poles attract each other, whereas the similar poles repel each other. When you rub a piece of iron along a magnet, this force creates a magnetic field.
So we can conclude that The statement that is true about magnets is ''Similar poles of a magnet repel each other.''
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Every spring has an equilibrium position. Which statements describe a spring at its equilibrium position? Check all that apply.
The spring constant is zero.
The elastic potential energy is at a maximum.
The elastic potential energy is zero.
The displacement of the spring is at a maximum.
The net force acting on the spring is zero.
Answers
The statements describe a spring at its equilibrium position is the elastic potential energy is zero, the displacement of the spring is at a maximum and the net force acting on the spring is zero.
What is the equilibrium position?
A body is in equilibrium when the sum of all forces acting on it equals zero. According to Newton's First Law, when resulting from the laws that act on a body that remains in a state of restriction or in motion in its motion, it remains uniformly null.
In this case the only statements that match the definition of equilibrium position are:
The elastic potential energy is zero.The displacement of the spring is at a maximum.The net force acting on the spring is zero.See more about equilibrium position at brainly.com/question/10374921
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Part E
Tsunami evacuation plans often consider the elevation of the community and its distance from the shoreline when
deciding which towns to evacuate. How could this data help in building new homes and communities along coastal areas
that are prone to tsunamis?
Answers
Answer:
make the house elevated
select the correct answer from each drop down menu how do you the freezing point and boiling point of a solution compare with those of us pure solvent? The freezing point of the solution is ___ and the boiling point is _____ than that of its pure solvent.
Answers
Explanation:
select the correct answer from each drp down
All light rays parallel to the optical axis of a concave mirror are:
refracted.
reflected through the focal point.
diffused.
incandescent.
Answers
Answer:
A. Refracted
Explanation:
Incident rays parallel to the optical axis are reflected from the mirror.
Select the correct answer.
Which of the following is a physical model of the Sun?
O A.
an equation that describes the Sun's motion
OB.
a chart that lists the temperatures of different parts of the Sun
O C.
a computer program that shows how the Sun changes over time
O D. a paragraph that describes the Sun's structure
OE.
a small yellow ball that represents the Sun
Answers
hope this helps!!
A neutral atom of Sodium (Na) has an atomic number of 11 and an atomic mass of 23. Therefore, Na has _________________________ protons.
Answers
Answer:
11
Explanation:
Atomic number is the number of PROTONS an element has .
What most likely happens when water vapor cools?
It changes into gas.
It changes into liquid.
Its temperature increases.
Its temperature remains constant.
Answers
Answer:
hello :)
Explanation:
Water vapor in the air reaches its dew point as it cools in the air around the can, forming liquid drops of water. Condensation is the process where water vapor becomes liquid.
Balance this reaction.
CO +
H2 →
CH3OH
Answers
That’s the balance equation
The direction of a reflected ray will always match its:
angle of incidence.
refracted ray.
diffused angle.
None of the choices are correct.
Answers
Answer:
angle of incidence.
answer number ! and fill in the unkown
Answers
The identity of the unknown compound is Urea from the Table# given. The reason for this identification will further be discussed below.
What is melting point?Melting point can be defined as the point at which a substance changes from a solid phase or state to a liquid state
When two substances of different melting points are added together, the total melting point obtained is usually depressed.
From the table,
When urea and benzoic acid is added the melting point range becomes = 117-120When urea and Cinnamic acid is added the melting point range becomes= 100-125, and both of which is lower than the individual melting points.Therefore, the identity of the unknown compound is Urea from the Table# given.
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A crate holds 20 boxes of sewing supplies. Each box contains 8 spools of thread. Each spool has 250 meters of thread wrapped around it. What length of thread is contained in a crate?
Answers
Answer: 40000
Explanation:
250*8=2,000
2000*20=40000
How many total atoms are there in one molecule of C145H293O168?
Answers
Answer:
606 atoms
Explanation:
Add the numbers 145 + 293 + 168
Give the postional isomers of 2 halopropane
(CH3)2CH
Answers
Give the positional isomers of 2 halopropane
(CH3)2CH
answer:
is in file download it
What is the length of the paper clip in cm
Answers
Answer:
24.5 cm
Explanation:
It would be really complicated to type out, so I've attached an image of how I solved this:
*I separated the paperclip into different sections, figured out the length of those sections, and added them together.
(sorry that my work isn't the neatest)
An acid is used to bring the pH of a solution from pH 9 to pH 6. How many times more acidic is the final solution than the initial solution?
Select one:
a.
3
b.
10
c.
100
d.
1000
Answers
Which of the following shows the wavelengths of light that an atom gives off when an electron falls to a lower energy level?
O A. Absorption spectrum
O B. Quantum spectrum
O C. Electromagnetic spectrum
O D. Emission spectrum
Answers
The wavelengths of light that an atom gives off when an electron falls to a lower energy level corresponds to Emission spectrum , Option D is the correct answer.
What is Emission Spectrum ?
Light is absorbed or emitted when an electron jumps or falls into an energy level.
The energy of light absorbed or emitted is equal to the difference between the energy of the orbits.
Therefore , the wavelengths of light that an atom gives off when an electron falls to a lower energy level corresponds to Emission spectrum.
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Calculate the mass of 162 L of chlorine gas, measured at STP.
Answers
Answer:
V=162 l
Vm=22.4 mol/l
n=V/Vm=7.23 moles
n=m/M M Cl=35.4
m=n×M
m=256.01 grams
Which of the following is true about homogeneous mixtures?
a) They consist of two or more phases.
b) They are always liquids.
c) They have compositions that never vary.
d) They are known as solutions.
Answers
What is the pH of a solution that has a [H+] = 0.010 mol/L?
Answers
Answer:
pH = 2
A 0.010 M solution of hydrochloric acid, HCl, has a molarity of 0.010 M. This means that [H+] = 1 x 10-2 M. The pH of this aqueous solution of H+ ions is pH = 2
hope this helps :3
Which of these statements are true? Select all that apply.
The Delta.Hf for Br2(I) is 0 kJ/mol.
The Delta.Hf for He(I) is 0 kJ/mol.
The Delta.Hf for Hg(I) is 0 kJ/mol.
The Delta.Hf for Cl2(g) is 0 kJ/mol.
The Delta.Hf for N2(I) is 0 kJ/mol.
Answers
The enthalpy of formation (ΔHf) of [tex]Br_2[/tex](g) at 1.00 atm and 298 K is 0 kJ/mol. Hence, option A is correct.
What does ΔHf mean?The standard enthalpy of formation is defined as the enthalpy change for creating one mole of a compound from elements in their standard states.
The enthalpy of formation (ΔHf) of [tex]Br_2[/tex] (g) at 1.00 atm and 298 K is 0 kJ/mol.
It is because the enthalpy of formation of the molecule is only 0 in its standard state and for bromine, the standard state at 298K is the liquid state.
Hence, option A is correct.
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Answer:
A: The Δ.Hf for Br2(I) is 0 kJ/mol.
C: The Δ.Hf for Hg(I) is 0 kJ/mol.
D: The Δ.Hf for Cl2(g) is 0 kJ/mol.
Explanation: