Question

Cineva sa ma ajute la exercitiile astea ? Pentru ambele numere. Dau Coroana

Answer 1

1. a)2,4,4-trimetil-2-pentanol

b)nC8H18O=8×12 +18+16=130 g/mol

140g/mol ......16 g O2

100..........x

x=1600/140=11.42%

c)5:1:1:1

d)12×8:1×16 = 96:16=6:1

e)8:18=4:9

f)130g/mol.....16 g O2

y ........480 g O2

y=130×480/16= 3900g

a)

C

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C-C-C-C-C (trebuie sa completezi cu hidrogen)

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oh C C oh

b) C

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COOH-C-COOH

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C