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3 years ago

Mechanism of this reaction

Chemistry

1 answer:

Leni [432]3 years ago

3 0

Answer:

A reaction mechanism is the sequence of elementary steps by which a chemical reaction occurs. A reaction that occurs in two or more elementary steps is called a multistep or complex reaction. ... The slowest step in a reaction mechanism is known as the rate-determining step.

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An organic synthesis to make the pain reliever acetaminophen is supposed to produce 280 kg of product but instead produces 70 kg

Irina-Kira [14]

Answer: 75%

Explanation:

The following information can be gotten from the question:

Waste = 70kg

Theoretical yield = 280kg

Therefore, the actual yield will be the difference between the theoretical yield and the waste which will be:

= 280kg - 70kg = 210kg

The percent yield will now be:

= Actual yield / Theoretical yield × 100

= 210/280 × 100

= 3/4 × 100

= 75%

4 0

3 years ago

Which of the following statements regarding the importance of mineral resources is not true?

pishuonlain [190]

Answer:

They affect the weathering of molecules and atoms.

Explanation:

3 0

3 years ago

What heavier element is created when hydrogen atoms fuse together in the sun’s core?

sergey [27]

Answer:

Helium is created from hydrogen in the sun's core.

Four hydrogen-1 nuclei fuse to produce

one helium-4 nucleus, two neutrons,
two positrons, and
two electron neutrinos.

Explanation:

Step One:

${\rm ^1_1 H + ^1_1 H\to ^2_1 H + e^{+}} + v_e$ .

Two hydrogen-1 nuclei fuse. One proton will convert to a neutron. The products will be

one hydrogen-2 nucleus,
one positron, and
one electron neutrino.

Step Two:

$\rm ^1_1 H +^2_1 H \to ^3_2 He$ .

There are plenty of hydrogen-1 nuclei available in the core of the sun. The hydrogen-2 nucleus from step one will fuse with a hydrogen-1 nucleus. The product is

one helium-3 nucleus.

Step Three

$\rm ^3_2 He + ^3_2 He \to ^4_2 He + ^1_1 H + ^1_1 H$ .

Two helium-3 nuclei from step two react with each other. The products are:

one helium-4 nucleus, and
two hydrogen-1 nuclei.

The overall reaction will be:

${\rm 6\; ^1_1 H \to ^4_2 He + 2\; ^1_1 H+2\; e^{+}}+v_\text{e}$ .

${\rm 4\; ^1_1 H \to ^4_2 He + 2\; e^{+}} + v_\text{e}$

In other words, hydrogen nuclei in the core of the sun fuse together to form helium.

6 0

3 years ago

A solution has pH of 9 what is it?

Vaselesa [24]

Basic. solutions with a pH from over 7 to 14 are bases

5 0

3 years ago

Read 2 more answers

Determine the percent ionization of a 0.230 m solution of benzoic acid.

Fudgin [204]

We need the dissociation constant of benzoic acid which is 6.3x10^'5. Then using the dissociation formula, ka = x2 / (Mo - x) where Mo is the initial concentration. x is determined then. percent ionization is computed as (x/Mo)* 100%. This is then the final answer.

5 0

4 years ago

Mechanism of this reaction​

Mechanism of this reaction