Major product that is expected when each compounds is treated with excess methyl iodide followed by aqueous silver oxide and heat: (a) N-methylcyclohexylamine (b) (R)-N-methyl-3-methyl-2-butanamine (c) N,N-dimethyl-N-methyl-1-phenylpropan-2-amine.
When treated with excess methyl iodide followed by aqueous silver oxide and heat, the primary amine functional group on each of the given compounds is converted to a quaternary ammonium salt.
This results in the formation of a new carbon-nitrogen bond, connecting the methyl group of the methyl iodide to the nitrogen atom of the original amine.
For (a) Cyclohexylamine, the major product expected is N-methylcyclohexylamine. For (b) (R)-3-Methyl-2-butanamine, the major product is (R)-N-methyl-3-methyl-2-butanamine. For (c) N,N-Dimethyl-1-phenylpropan-2-amine, the major product is N,N-dimethyl-N-methyl-1-phenylpropan-2-amine.
Overall, the reaction results in the conversion of the primary amine to a tertiary amine, and in some cases, may result in the formation of stereoisomers, as seen in part (b).
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(a) Cyclohexylmethylamine
(b) (R)-3-Methyl-2-butan-1-ylmethylamine
(c) N,N-Dimethyl-1-phenylpropan-2-ylmethylamine
When each of the given amines is treated with excess methyl iodide followed by aqueous silver oxide and heat, the amine undergoes alkylation to form a quaternary ammonium salt. Subsequent treatment with aqueous silver oxide and heat leads to the Hofmann elimination of the quaternary ammonium salt to form the corresponding tertiary amine. The resulting tertiary amine is further alkylated by the excess methyl iodide to give the final product, a tertiary amine with an additional methyl group on the nitrogen atom. The stereochemistry of the product in (b) is specified by the "(R)" designation.
In summary, the reaction involves two steps: (1) alkylation of the amine with excess methyl iodide, followed by (2) elimination of the quaternary ammonium salt with aqueous silver oxide and heat, and then further alkylation with excess methyl iodide to form the final product.
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What is the total number of atoms in the molecule HNO3?
Answer:
We know that, composition of HNO3 is Hydrogen, Nitrogen and oxygen. Total number of atoms = 3+1+1=5 atoms are present in 1 molecule of HNO3.
why are gases able to spread out and fill whatever container they are in
Answer:
gases are able to spread out and fill whatever container they are in because they do not have. a definite shape their molecules are not tightly packed so they can cover over a vast area like our atmosphere.
When calcium chloride and baking side is mixed, is it an example of chemical or physical change?
[please answer fast!] If the hydroxide ion concentration is 2x10^-3 M, what is the pH of the solution? Show your working.
Answer:
pH = 11.30
Explanation:
pH is defined as -log [H⁺]
To find [H⁺] from [OH⁻] -Concentration of hydroxide ion-, we must use the equilibrium of water:
H₂O(l) ⇄ H⁺(aq) + OH⁻(aq)
Keq = 1x10⁻¹⁴ = [H⁺] [OH⁻]
[H⁺] = 1x10⁻¹⁴ / [OH⁻]
[H⁺] = 1x10⁻¹⁴ / 2x10⁻³M
[H⁺] = 5x10⁻¹²M
pH = -log (5x10⁻¹²M)
pH = 11.30How many grams are in 21.4 mol Cl2 gas?
Cl2 = 70.9 g/mol
=
[tex]21.4 \: mol \times \frac{70.9 \: g}{1 \: mol} = 1517.26 \: g[/tex]
6) Mr. Collins finally decided to take this seriously and put both hands on the rope and applied a 500 N force to the left,
while Jared and James still struggled with their 300 N force to the right. What is the net force and direction of motion?
Answer:
I'm pretty sure the net force is 200 N and the direction of motion is left
Explanation:
500 - 300 = 200 and more force is coming from and pulling toward the left.
The F1-ion is classified as a(n).
and has:
A.anion, 1 valence electron
B.anion, 8 valence electrons
C.cation, 2 valence electrons
D.cation, O valence electrons
Answer:
B
Explanation:
The [tex]\rm \bold{F^1^-}[/tex] is the fluorine anion with 8 valence electrons. Hence, option B is correct.
An ion is defined as the atom with the change in the valence electrons by the loss or gain of electrons to complete the outer shell.
What type of ion is [tex]\rm F^1^-[/tex]?The ions with the gain of electrons result in a negative charge and are termed anions. The ions with a loss of electrons have a positive charge and are termed cations.
The F is the halogen atom of group 17 with 7 valence electrons. The ion formed for F requires 1 electron to complete its valence shell.
The ion [tex]\rm F^1^-[/tex] has a negative charge, which denotes it gains an electron and forms anion.
The gain of electrons results in the number of valence electrons being 8.
Thus, [tex]\rm F^1^-[/tex] is the fluorine anion with 8 valence electrons. Hence, option B is correct.
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What are mineral acids?
Answer:
mineral acids are obtained from one or more inorganic compounds which is a compound that lacks carbon and hydrogen bonds. Inorganic compound examples include water and carbon dioxide. Something all mineral acids do is form hydrogen ions and the joined together bases when it is dissolved in water.
Explanation:
Why does the moon's gravitational pull have more effect on Earth's tides than the sun's gravitational pull?
A. The moon is closer to the Earth than the sun.
B.The moon has more mass than the sun.
C. The moon is more dense than the sun.
D. The moon has a greater diameter than the sun.
how many grams of fertilizer , for potassium sulfate are there in 42.3 mole of potassium sulfate? step by step
Answer:
The mass of 42.3 moles of potassium sulfate is 7,371.1557 grams
Explanation:
Potassium sulfate K₂SO₄ which is also known as sulphate of potash is a water soluble common component of fertilizer
The molar mass of potassium sulfate, M = 174.259 g/mol
The given number of moles of potassium sulfate, n = 42.3 moles
The mass, 'm', of a given number of moles of potassium sulfate, 'n', is given as follows;
m = n × M
Therefore, we have;
The mass, 'm', of 42.3 moles of potassium sulfate is found by plugging in the values for 'M', and 'n', in the above equation as follows;
m = 42.3 moles × 174.259 g/mol = 7,371.1557 grams
The mass of 42.3 moles of potassium sulfate, m = 7,371.1557 grams.
[urgent]
What would the [OH-] of a solution that has a pOH of 2.7 be?
Answer:
[OH⁻] = 0.002 M
Explanation:
The definition of pOH is similar to the definition of pH:
pOH = -log[OH⁻]This means that with a given pOH value, the calculation of [OH⁻] is a matter of algebra:
2.7 = -log[OH⁻]-2.7 = log[OH⁻]To remove the logarithm we increase 10 by the power of the pOH:
[tex]10^{-2.7}[/tex]=[OH⁻]0.002 M = [OH⁻]Identify this reaction.
NH3 + H2SO4 → (NH4)2SO4
O decomposition
O synthesis
O double displacement
O single displacement
Answer: synthesis
Explanation:
Answer:
Synthesis
Explanation:
Two compounds combine to produce one compound
HELP ASAP PLS AHHH ty
Answer: a for the first one , d for the second one, b for the third one.
Explanation:
Answer:
A: Main sequence star.
B: White Dwarf.
C: Black hole.
Explanation:
Brainliest please.
Why are red blood cells red
Red blood cells are red because they contain Haemoglobin
Scientists have changed the model of the atom as they have gathered new evidence. One of the atomic models is shown below.
The question is incomplete, The complete question is;
Scientists have changed the model of the atom as they have gathered new evidence. One of the atomic models is shown below. What experimental evidence led to the development of this atomic model from the one before it?
Answer:
A few of the positive particles aimed at a gold foil seemed to bounce back.
Explanation:
This model of the atom was proposed by Ernest Rutherford and was called the planetary model of the atom.
This model is based on an experiment using a gold foil on which alpha particles were focused. Most of the alpha particles passed through the foil. Some of the alpha particles were scattered at large angles and a few seemed to bounce back.
This led to the conclusion that the atom has a massive positive core around which electrons move as planets move around the sun.
Answer:
It is A
Explanation:
Se queman 87,0 g de butano con oxígeno produciéndose dióxido de carbono y agua. Calcular la masa de oxígeno necesaria y la masa de dióxido de carbono y de agua que se desprenderá
Answer:
312g O₂ son necesarios, se producen 264g CO₂ y 135g H₂O
Explanation:
La combustión de butano para producir CO₂ y H₂O ocurre así:
C₄H₁₀ + 13/2O₂ → 4CO₂ + 5H₂O
Donde 1 mol de butano reacciona con 13 moles de oxígeno para producir 4 moles de dióxido de carbono y 5 moles de agua.
Para resolver este problema debemos convertir la masa de butano a moles y, usando la reacción balanceada, obtener cuánto se necesita de oxígeno y cuánto se produciría de dióxido de carbono y agua:
Moles butano -Masa molar: 58.12g/mol-:
87.0g * (1mol / 58.12g) = 1.50 moles
Moles y masa de oxígeno necesarias para la reacción -Masa molar: 32g/mol-:
1.50 moles C₄H₁₀ * (13/2 moles O₂ / 1 mol C₄H₁₀) = 9.75 moles * (32g/mol) =
312g O₂ son necesarios
Moles y masa de dióxido de carbono producidas -Masa molar: 44.01g/mol-:
1.50 moles C₄H₁₀ * (4 moles CO₂ / 1 mol C₄H₁₀) = 6 moles * (44.01g/mol) =
264g CO₂ se producen
Moles y masa de agua producidas -Masa molar: 18.015g/mol-:
1.50 moles C₄H₁₀ * (5 moles H₂O / 1 mol C₄H₁₀) = 7.5 moles * (18.015g/mol) =
135g H₂O se producen
PLEASE HELPPP ILL GIVE BRAINLIEST!!!!!!!!!!!!!
Answer:
it travels through the veins
What is the volume, in liters, of a 0.2 M solution containing 8.5 grams of AgNO3?
Answer:
0.25L or 250Ml
Explanation:
I am not that good but as far as my calculations this must be the answer
Please help fast, I will give brainliest.
Answer:
B
Explanation:
Assume that 41.1g of hydrogen peroxide decompose to produce oxygen gas at STP to the following balanced equation:
2H2O2 (l) ---------> 2H2O(l) + O2 (g)
How many Liters of oxygen gas are produced?
Answer:The hydrogen bond is responsible for many of the anomalous physical and chemical properties of compounds of N, O, and F. In particular, intermolecular hydrogen bonding is responsible for the high boiling point of water (100 °C) compared to the other group 16 hydrides that have much weakerhydrogen bonds
Hydrogen bonding is primarily responsible for the high ______ of water.
please help which one is it it’s due in 1 hour
Answer:
carbon monoxide
Explanation:
I'm not sure but I think
If an atom has 24 p+ and 24e-, what is the atomic number of this element?
Answer:
24
Explanation:
Because atomic number is the number of protons.
I NEED HELP ASAP, If you help me I’ll give you Brainlist [Calorimetry and specific heat lab]
I don’t know how to calculate the error %
The formula is:
%Error = [I Accepted value-Experimental value I / Experimental value] x 100 can someone please PLEASE help me :(
Answer:
Explanation:
I gave this formula as
What you should get - what you got
--------------------------------------------------- * 100
What you should get
Suppose you are talking about the specific heat of copper and you did a lab and did it fairly well and the specific heat came out to be 0.33
That's what you got, 0.33
What you should get is 0.35 according to the table you've given us.
% error = 0.35 - 0.33
-------------- * 100
0.35
% error = 0.02 * 100/ 0.35
% error = 2/0.35
% error = 5.71
Now here is the really hard part. You have to decide what a positive error is and what a negative error.
A positive error using this formula means you are too low.
A Negative error means that you are too high, just the opposite of what you might think.
Can you show us the experimental value?
So basically, the accepted value would be under the Specific heat capacity of metal (e.g. 0.90, 0.35, 0.44, 0.12).
Your experimental value would be the specific heat capacity that you got from the lab.
You would first substract the experimental value from the accepted value
[tex]accepted \: value - experimental \: value [/tex]
and then you would divide the result by the experimental value
[tex]result \div experimental \: value[/tex]
and then, you would multiply the result of that by a hundred to get your percentage
[tex]result \times 100 = \% \: error[/tex]
//
The image shown is an example.
0.90 is our accepted value.
0.88 is our experimental value.
The overall percentage error I got is %2.27
HELPP!! I REALLY NEED TO BRING UP MY SCIENCE GRADE!!!!
Scientists studied the location of ____ to determine plate boundaries.
Answer:
Of earthquakes
Explanation:
How many electrons are transferred when Be and O bond?
02
0
3
4.
Look at picture
ASAP please will mark as brainlist don’t got much time
Answer:
2 electron are transferred when Be and O bond formed
Answer:
2 is the answer:)))))))))
Nitrogen gas is being withdrawn at the rate of 4.5 g/s from a 0.15-m3 cylinder, initially containing the gas at a pressure of 10 bar and 320 K. the cylinder does not conduct heat, nor does its temperature change during the emptying process. What will be the temperature and pressure of the gas in the cylinder after 5 minutes? What will be the rate of change of the gas temperature at this time? Nitrogen can be considered to be an ideal gas with Cp*=30 J/mol.K.
Answer:
Final temperature = 152.57K,
Pressure = 0.6907 bar.
dT/dt = - 1,151 K/s.
Explanation:
The first thing to do here is to write out the equation for mass balance as given below:
dN/dt = N -------------------------------------------------------------------------------------------(1).
N = P/T, then, substitute the values given in the question into:
d[p/T]/ dt = [- 4.5/28 × 8.314]/0.15 = - 8.9 × 10⁻⁵ bar/K.s.
Thus, there is the need to integrate, Integrate [p/T]f = 10/320 - 8.9 × 10⁻⁵ bar/K.s. ------------------------------------(2).
NB; fT = final temperature, fP = final pressure and iT = initial temperature.
Also, [ fT]³⁰/₈.₃₁₄/ [fP] = [iT]³⁰/₈.₃₁₄/ Pi] = [ 320]³⁰/₈.₃₁₄/ 10.
Therefore, [fT]³⁰/₈.₃₁₄ = 109.52 × 10⁶.
Final temperature= [fP]³⁰/₈.₃₁₄ × 169.05.
Note that fP/ [fP]³⁰/₈.₃₁₄ × 169.05 = 10/320 - 8.9 × 10⁻⁵.
Therefore, [fP]¹ ⁻ ³⁰/₈.₃₁₄ = 0.7651.
Hence, Final temperature = 152.57K,
Pressure = 0.6907 bar
dT/ dt = N[RT]² / Cv . PV.
R = 30 - 8.314 = 21.86 J/mol K.
Then, the rate of change of the gas temperature at this time = dT/dt = - 1,151 K/s.
Because of hydrogen bonding,
Select one:
a. liquid water is less dense than ice
b. ice sinks to the bottom of water
c. lakes freeze from the bottom up
d. ice is less dense than liquid water
Answer:
c. lakes freeze from the botton up
What does the reaction rate measure?
Answer:
It's C
Explanation:
cuz im goated
-
In the reaction: 2X2Y3 + 3Z(QR)4 4X(QR)3 + 3ZY2
What is the charge of the "X" cation needed to form these compounds?
Answer:
That's simple it's the caca of 54 32 x (5) b ÷ 5683jvl done so your answer is 0
When talking about the products of photosynthesis, why is it a HUGE issue when a vast amount of the rainforests is dying along with vast amounts of forests from fires/deforestation? Remember, we know that this hurts the ecosystems of animals living there, but what else does it effect?
Question 5 options:
the creation of oxygen
the creation of too much smoke
the creation of carbon monoxide
the creation of carbon dioxide
Answer:
the creation of oxygen.
Explanation: