When carbon undergoes sp2 hybridization it forms

Chemistry

1 answer:

Artist 52 [7]3 years ago

6 0

When carbon undergoes sp2 hybridization it forms methane ? I believe.

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A chemical reaction produces 653 550 kj of energy as heat in 142.3min. calculate the rate of energy transferred in kj per minute

miskamm [114]

We have the value of

Total energy produced in the chemical reaction=653 550 KJ

Time needed=142.3min

To calculate the rate of energy transfer, that is the amount of energy produced per minute.

Rate of energy transfer= $\frac{Total energy produced}{Time needed}$

= $\frac{653 550}{142.3}$

=4592.76 KJ min⁻¹

So, the rate of energy transfer is 4592.76 KJ min⁻¹.

6 0

3 years ago

Formic acid, which is a component of insect venom, has a ka = 1.8 ´ 10-4. what is the [h3o+] in a solution that is initially 0.1

scoray [572]

Answer is: concentratio of H₃O⁺ ions is 4.2·10⁻³ M.
Chemical reaction: HCOOH(aq) + H₂O(l) ⇄ HCOO⁻(aq) + H₃O⁺(aq).
c(HCOOH) = 0,1 M.
[H₃O⁺] = [HCOO⁻] = x.
[HCOOH] = 0,1 M - x.
Ka = [H₃O⁺] · [HCOO⁻] / [HCOOH].
0,00018 = x² / (0,1 M - x).
Solve quadratic equation: x = [H₃O⁺] = 0,0042 M.

7 0

3 years ago

Draw the mechanism of the slow step that occurs in both first-order substitution and first-order elimination reactions for (R)-3

BartSMP [9]

Answer:

see explaination

Explanation:

We are given the (R)-3-bromo-2,3-dimethylpentane and asking to draw the curved arrow which is the showing the mechanism for first-order substitution and first-order elimination reactions. We know the formation of carbocation is the rate determining step in the first-order substitution and first-order elimination reactions.

So in the (R)-3-bromo-2,3-dimethylpentane there is –Br gets removed and formed the tertiary carbocation which is more stable, so the curved arrows in Box 1 to depict the flow of electrons and intermediate in Box 2.

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