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3 years ago

What alkene(s) would be produced from the dehydration of cyclopentanol? (enter "none" in the unused blanks.)

Chemistry

1 answer:

amm18123 years ago

4 0

Dehydration of Alcohols yield Alkenes. Depending upon the starting material (alcohols) different alkenes are being formed either by following saytzeff rule or Hoffman rule. In case of Cyclopentanol only one alkene is produced (i.e. Cyclopentene) as shown below.

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For salt formation procedure crude lidocaine should be dissolved in diethyl ether and 2 ml of 2.2 M sulfuric acid should be adde

mixas84 [53]

Answer:

20 equivalents of sulfuric acid are needed to per equivalent of lidocaine.

Explanation:

To do this calculation we should take in account the key information given:

2 mL (0.02 L) of sulfuric acid (H2SO4) 2.2 M per 1 g of lidocaine (molecular weight=234.34 g/mol)

So we can calculate from here the number of moles of each compound needed for the procedure.

Starting with the sulfuric acid, we know that the molar concentration is defined as [concentration] =n(moles number)/V(volume).

So n=[concentration]*V, and therefore :

n(H2SO4)=2.2 M * 0.02 L=0.044 mol

While the moles of lidocaine can be calculated as n(moles number)=m(mass amount)/mW(molecular weight), so:

n(lidocaine)=m(lidocaine)/mW(lidocaine)= 1 g /234,34 g/mol~0,0043 mol.

Now we can calculate the equivalents.

Take in account that for sulfuric acid, de number of equivalents per mole is 2 (because of the double dissociation of the acid), while the number of equivalents per mole of lidocaine is 1.

Then we can conclude that:

0,0043 equivalents of lidocaine need 0,088 equivalents of sulfuric acid

1 equivalent of lidocaine need (0,088/0.0043)=20,46~20 equivalents of sulfuric acid

Finally, we can conclude that for the described procedure, 20 equivalents of sulfuric acid per equivalent of lidocaine are needed.

4 0

3 years ago

what is the point of intersection when the system of equations below is graphed on the coordinate plane -x+y=4 6x+y=-3

Ilia_Sergeevich [38]

Answer:

POINTS OF INTERSECTION ARE:

x = -1

y = 3

coordinates : (-1,3)

Coordinates :

Explanation:

Condition for intersecting lines

$\frac{a_{1}}{a_{2}}\neq\frac{b_{1}}{b_{2}}$

here

a1 ,a2 = coefficients of x (a1 = -1 , a2 = 6)

b1 ,b2 = coefficients of y(b1 = 1 , b2 = 1)

$frac{-1}{6}\neq\frac{1}{1}\neq\frac{1}{1}$

Calculation :

Here substitution method is used : Value of y from eq (1) is substitued in equation (2)

-x + y = 4

y = 4 + x.............(i)

put value of x in equation (2)

6x + y = -3

6x + 4 + x = -3 ( from i)

7x = -3 - 4

7x = -7

x = $frac{-7}{7}$

x = -1

using equation(i)

y = 4 + (-1)

y = 4 - 1

y = 3

Check:

The values of x and y should satisfy equation (1) and (2)

for equation 1

-x+y =4

= -(-1) + 3

= 1 + 3

= 4

Hence coordinates satisfy equation 1

5 0

3 years ago

How does water heat Earth?

nata0808 [166]

Answer:

I hope it's helpful for you...

Explanation:

water traps heat and holds it deep inside the ocean .....

I think it's correct answer

5 0

3 years ago

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How to know if a guy is really into you?

sasho [114]

Some signs are they talk to you a lot and notice more details.

4 0

3 years ago

If you move 50 meters in 10 seconds, what is your speed? Givens: d= t= Unknown: Formula: Plug in: Solve:

marta [7]

Answer:

$\huge\boxed{5 \ m/s}$

Explanation:

Given:

Distance = S = 50 m

Time = t = 10 secs

Unknown:

Speed = v = ?

Formula:

v = S/t

Plug In:

S = 50 m , t = 10 secs

Solution:

v = 50 m / 10 secs

v = 5 m/s

Hope this helped!

<h2>~AnonymousHelper1807</h2>

6 0

3 years ago