Numărul alcoolilor monohidroxilici tertiari ce conțin 18,18% oxigen este:
a) 3
b) 5
c) 4
d) 1
e) 2​

Răspunsul a fost dat de: USER8951
2 September 2025 chimie 5 minute
4.5
124 Vezi 124 comentarii 6 Distribui

Întrebare

Clasă: Education Materie: chimie
Numărul alcoolilor monohidroxilici tertiari ce conțin 18,18% oxigen este:
a) 3
b) 5
c) 4
d) 1
e) 2​
Întrebare a fost pusă de:
124 Vezi 124 Răspunsuri

Răspuns (124)

Cel mai bun răspuns
(434)

Răspuns:

daca alcoolii sunt saturati,au formula generala  CnH2n+2O   si M= 14n+18

14n+18 g alcool.............16gO

100g.....................18,18g

1600=18,18(14n+18)------> n=5

exista 1 alcool tertiar monohidroxilic saturat cu 5at C

       CH3

          I

C2H5-C--OH

           I

          CH3

Explicație:

Răspunsul a fost dat în data 2 September 2025

Articole relevante

Primul termen al
adunării este 111 231,
iar suma este 999 777.
Află al doilea termen.​

101 Vezi 101 comentarii

What is the role of proteins in a chromosome ?

46 Vezi 46 comentarii

mengapa kehidupan masa praaksara penting dipelajari pada masa sekrang?

70 Vezi 70 comentarii

2 la a treia totul la a doua repede dau coroana și tot!! ​

58 Vezi 58 comentarii

Which term best completes the statement below? Governments can levy ­­­­­­­­­­­­­­­­­­­ _____ and tariffs on imports. A. import charges B. trade restrictions C. business levies D. custom duties

160 Vezi 193 comentarii

Kelapa yang massanya 4 kg jatuh dari ketinggian. Pada saat mencapai ketinggian 6 m dari tanah, kecepatannya mencapai 12 m/s. Jika g = 10 m/s2, energi kinetik kelapa saat menyentuh tanah adalah ….

160 Vezi 201 comentarii

alcatuiti un text intitulat despre nutritia mixotrofa in 10 rânduri va rog dau funda este urgent ​

98 Vezi 98 comentarii

Dylan, Alan, Bruce, and Cecil are brothers. Dylan weighs d pounds. Alan weighs 3 pounds more than twice what Dylan weighs. Bruce weighs 12 pounds less than three times what Dylan weighs. If Cecil weighs the same as the combined weight of Bruce and Alan, what is Cecil’s weight in terms of Dylan’s weight (d)?


Complete the steps below to solve this problem and others like it.


Part A

Alan weighs 3 pounds more than twice what Dylan weighs. Write an expr

160 Vezi 500 comentarii

Ia din produsul numerelor 364 si 9, suma dontre 1500 si 900.​

61 Vezi 61 comentarii

In most hypotheses of early Earth and the formation of life, it is accepted that the atmosphere was a reducing one. This means that there was an abundance of methane, ammonia, and water vapor, but there was an absence of significant amounts of oxygen gas. Based on this assumption, what was likely the first metabolic activity to harness ATP to evolve in primitive cells?
A) Photosynthesis, as plants evolved before animals
B) Cellular respiration, as this generates the most ATP
160 Vezi 500 comentarii

Jelaskan perbedaan negara malaysia dan negara indonesia dilihat dari beberapa faktor

84 Vezi 84 comentarii

scara hărții este:
va rog mult​

36 Vezi 36 comentarii

People who have the o blood type possess ________.1) an enzyme that adds an n-acetylgalactosamine to the end of the oligosaccharide chain on rbc membrane glycolipids2) an enzyme that adds a galactose to the end of the oligosaccharide chain on rbc membrane glycolipids3) an enzyme that adds phospholipids to the end of the oligosaccharide chain on rbc membrane glycolipids4) no enzymes capable of attaching galactose or n-acetylgalactosamine to the end of the oligosaccharide chain on rbc membrane gly

160 Vezi 500 comentarii

Care este antonimul pentru cuvântul încremeniți?

48 Vezi 48 comentarii

Despărțiți în silabe cuvântul DĂDĂCEALA​

40 Vezi 40 comentarii

Choose the progressive reforms that are related to President William Howard Taft.


Clayton Anti-Trust Act
Underwood-Simmons Act
Meat Inspection Act
Children's Bureau of Labor
Manns-Elkin Act
Federal Trade Commission
Prosecution of Northern Securities
Pure Food and Drug Act
Prosecution of Standard Oil and American Tobacco Company
Created Department of Commerce and Labor
Federal Reserve Act
Child Labor A

160 Vezi 500 comentarii

What is 'comic castellano' and what kind of content does it typically offer?

76 Vezi 76 comentarii

determina masa unui cub de fier cu densitatea= 8,9 g/cm3 si latura de 1 dm.

75 Vezi 75 comentarii