H2: Proposed Mechanism The proposed mechanism for the reaction is a nucleophilic addition reaction with a base, such as hydroxide ion, that adds to the carbon-oxygen double bond of the molecule. This will generate an oxonium ion, which will then undergo a proton transfer to give the product. H3: Steps of the Mechanism 1. A base, such as hydroxide ion, attacks the carbon-oxygen double bond, leading to the formation of an oxonium ion. 2. The oxonium ion then undergoes a proton transfer to give the desired product. H4: Key Reactions The key reactions in the proposed mechanism are the nucleophilic addition of the base to the carbon-oxygen double bond, and the proton transfer that gives the product. H5: Mechanism Explained In the proposed mechanism, a base attacks the carbon-oxygen double bond of the molecule, leading to the formation of an oxonium ion. This oxonium ion then undergoes a proton transfer to give the desired product. This mechanism is a common type of reaction found in organic chemistry, and is an important process in the synthesis of many organic molecules.
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Questions and Answers:
1. Write the mechanism of the following reaction CH3CH2OH + HBr ---->
substitution reaction
CH3-CH2-OH + HBr --> CH3 - CH2 - Br + H2O
I hope its helps...
2. find the meaning of the followinga. groveb. to propose pliss
temukan makna berikut ini
a.grove
b.untuk mengusulkan
pliss
3. balance the following redox reaction using half reactionC2O42- + MnO4-->MN2+ + CO2
Jawaban:
Frank Lampard ingin tahu bagaimana cara agar cepat punya anak dari seorang teman yang baik dan benar
4. Why is concentration vs reaction rate linear for first order reaction ?
The reason why on order 1 reaction the concentration and reaction rate is linear for first order reaction, That's because experiments have shown that the rate of a reaction is directly proportional to the concentration.
Pembahasan
Reaksi primer adalah reaksi yang laju reaksinya sebanding dengan konsentrasi reaktannya. Dengan kata lain, menggandakan konsentrasi menggandakan laju reaksi. Reaksi primer dapat memiliki satu atau dua reaktan, seperti dalam kasus reaksi dekomposisi. Reaksi primer dapat didefinisikan sebagai reaksi kimia di mana laju reaksi bergantung secara linier pada konsentrasi hanya satu reaktan. Dengan kata lain, reaksi primer adalah reaksi kimia yang lajunya berubah berdasarkan perubahan konsentrasi hanya satu reaktan. Jadi orde reaksinya adalah 1.
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5. Give the true answer to the following questions. How was your friends reaction when you read your card?
i think just so so if that reality so good
6. 2. The equilibrium constant Kp for the reaction2SO3 +2SO2(g) + O2(g)is 1.8 x 10-5 at 350°C. What is Kc for this reaction?
Jawaban:
Jawaban terlampir di foto ya!
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7. What does the writer propose for primary drivers to have enough " on - the rood" driving skills?
Jawaban:
give and teach until you can
8. Suggest means .... * To show a suggestion that is to introduce or propose an idea or a plan for consideration To present a offering that is to introduce or propose an idea or a plan for consideration To present a suggestion that is to introduce or propose an idea or a plan for conversation To present a suggestion that is to introduce or propose an idea or a strategy for consideration To present a suggestion that is to introduce or propose an idea or a plan for consideration
Jawaban:
Suggest means .... *
To show a suggestion that is to introduce or propose an idea or a plan for consideration
To present a offering that is to introduce or propose an idea or a plan for consideration
To present a suggestion that is to introduce or propose an idea or a plan for conversation
To present a suggestion that is to introduce or propose an idea or a strategy for consideration
To present a suggestion that is to introduce or propose an idea or a plan for consideration
Untuk menunjukkan saran yaitu untuk memperkenalkan atau mengusulkan ide atau rencana
untuk dipertimbangkan Mempresentasikan suatu penawaran yaitu untuk memperkenalkan atau mengusulkan suatu ide atau rencana untuk dipertimbangkan
Untuk menyajikan saran yaitu untuk memperkenalkan atau mengusulkan ide atau rencana percakapan
Untuk menyajikan saran yaitu untuk memperkenalkan atau mengusulkan ide atau strategi untuk dipertimbangkan
Untuk menyajikan saran yaitu untuk memperkenalkan atau mengusulkan ide atau rencana untuk pertimbangan.
9. Calculate the heat of reaction for combustion of C2H5OH using bond energies
Reaction C₂H₅OH + 3O₂ --> 2CO₂ + 3H₂O
Then draw the structural formulas for each molecule showing single and double bonds.
C₂H₅OH has one C-C bond, five C-H bonds, one C-O bond and one O-H bond
add up the bond energies for a mole of each of these single bonds from your bond energy chart.
Now in O₂ we have O=O double bond so add up the total bond energy for three moles of O₂. (three times the doubly bonded oxygen bond energy)
CO₂ is formed O=C=O, and you have two moles of CO₂, and four moles of C=O bonds so multiply the C=O bond energy by 4
and for H₂O, bonded H-O-H you will have 6 moles of H-O bonds, so multiply the H-O bond energy by six.
Now to get ΔH for this reaction, simply subtract the sum of the reactant bond energies from the sum of the product bond energies and you have it.
10. What is the propose of the text, ?
maksudnya? :v...........
11. The rate constant for a first-order reaction is 3.64. 10 - 2 seconds -1 at 298 k.. what is the rate constant for the reaction at 350 k if the activation energy of the reaction is 50.2 kj/mol. given: the quantity r = 8.314 j/k.mol.
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12. Word equation for the reaction of astatine with iron
Jawaban:
Persamaan kata untuk reaksi astatin dengan besi
Penjelasan:
suruh apasih aku artiin aj
13. write one of the 'useful phrases' as an appropriate reaction to each of the following events from the script.
Answer:
In making an appropriate response or reaction, you need to look carefully at the expression or sentences used as well as its tone, whether it is meant to be humorous or serious one. Then, you can respond it in a creative way too, instead of just ordinary ones so long as appropriate. Here's the possible phrases to respond
- The cruel king has threatened to invade!
(Really? Then we'd better prepare ourselves. for normal reaction)
(What else is new? He's just bluffing. for unusual reaction)
- We are still alive; the soldiers are gone!
(Then we shall pray for them. They have fought bravely to protect us. (normal reaction)
(That's rather ironic for them. They should've been alive instead of us, who aren't trained for war. (uncommon reaction)
- The riddle is solved!
(At last! after a while - normal)
(Are you kidding me? what took you so long to solve such easy riddle - uncommon )
- We need a drum that sounds when nobody beats it!
(Such is impossible! - normal)
(Really? are you still in wonderland? - uncommon sardonic)
- Will the paper drum with the bee work?
(Huh, I don't get it - normal as it's unclear in meaning)
Kelas: SMP
Mapel: English
Kategori: expression and response
14. find the meaning of the following proverb 1)men propose god dispose . 2) no join no venture. 3) there is a crack in the mirror
1. whatever man proposes as his objective to achieve by exercising his will power, efforts and intellectual potentialities, there is a limit to his abilities and there is some supernatural power – God - to determine the shape of things and its end. Sometimes or most of the times the end may be against man's proposal.
maaf no 2 dan 3 belum mengerti.1) Saying people can make plans but whether or not they are successful depends on God
2) Nothing ventured, nothing has
Maaf nomor 3 Gk ngerti
15. For the same pharmaceutical company and their food supplement mix problem, perform the following: a. Determine an optimal solution using Excel Solver or another software. b. Propose a graphical solution. c. Find out the corner point solution.
Jawaban:
b propese a graphical solution
Penjelasan dengan langkah-langkah:
maaf kalau salah
kalau benar follow ya
16. Write the word equation for the reaction between zinc and copper sulfate.
Jawaban:
Zn + CuSO4 ⇒ ZnSO4 + Cu
Penjelasan:
Zn has oxidation number equal to +2. Cu has oxidation number equal to +2. SO4 has oxidation number equal to -2.
17. Among the following compounds, the most active electrophilic addition reaction is .....
Among the following compounds, the most active electrophilic addition reaction is .....
Jawaban:- Nuclear
=-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-=
18. find the meaning of thr following proverb 1.men propose god dispose
Human beings can make any plans they want, but it's God that decides their success or failureSubject: English
Category: Proverb
Sub Category: Meaning
ANSWER
MEN PROPOSE GOD DISPOSE
(We just need to do efforts, GOD will show the result)
Good Luck
19. why is the thermite reaction useful for welding rails?
Jawaban:
Thermite welding is widely used to weld railroad rails.The weld quality of chemically pure thermite is low due to the low heat penetration into the joining metals and the very low carbon and alloy content in the nearly pure molten iron.
20. 28. Which does NOT change with time for a first-order reaction? (A) the amount of reactant that disappears in each half- life (B) the concentration of the reactant (C) the length of each half-life (D) the rate of the reaction
Pada reaksi order pertama yang tidak mengalami perubahan adalah :
C. The length of each half-life
Pembahasan
Reaksi orde pertama adalah reaksi dalam orde menetap, laju reaksi berbanding lurus dengan konsentrasi salah satu reaktan. Reaksi orde pertama sering memiliki bentuk umum A → produk. Tingkat diferensial untuk reaksi orde pertama adalah sebagai berikut:
laju=−Δ[A]/Δt=k[A]
Jika konsentrasi A digandakan, laju reaksi menjadi dua kali lipat, jika konsentrasi A dinaikkan dengan faktor 10, laju reaksi meningkat dengan faktor 10, dan seterusnya. Karena satuan laju reaksi selalu mol per liter per detik, satuan konstanta laju orde pertama adalah detik timbal balik (s−1). Hukum laju terintegrasi untuk reaksi orde pertama dapat ditulis dalam dua cara yang berbeda: satu menggunakan eksponen dan satu menggunakan logaritma. Ingat bahwa hukum laju terintegrasi memberikan hubungan antara konsentrasi reaktan dan waktu.
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