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Охарактеризуйте детально вісімкову систему числення

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Acetals contain two functional groups on the same carbon atom,

a — OH group and an — OR group. They are the result of the reaction between aldehydes and alcohols

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Qual o output do seguinte troço de programa?

a=1

if a > 0 then

a=2*a

end if

call msgbox(a)

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The compounds 1/2 O2 with PdCl2 / H2O

are used in the

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Aldehyde leads to secondary

alcohol when Grignard Reagent is used

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Claisen-Schmitt reaction is also called

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1.

Qual o output do seguinte troço de programa?

X=2

Y=X+4

X=X-Y

Y=2*Y+X

call msgbox(Y)

N/R

14

8

16

12

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Which one of the following is FALSE for meso compounds ?

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When enantiomers are mixed together,

the rotation caused by a molecule of one isomer is doubled by

an equal and opposite rotation caused by a molecule of its enantiomer.

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Data coming from data streams can only be numeric data.

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