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Dobrý deň,
prečo dáva hexan-2-ón haloformovú reakciu a hexán-3-ón nie?
Ďakujem
Dobrý deň, aký je prosím rozdiel medzi týmito 3 pojmami? Viem, že zónami ma byt menitelny, ale neviem co to znamená v praxi Vopred ďakujem:)
Ahojte neviem si dať rady s týmito 3 príkladmi. Určte vzdialenosť bodu Q[7; 1; 9] od priamky p určená bodom P[1; 3; −1] a vektorom u =(4; 1; 3) Nájdite súradnice bodu P priamky 5x−4y−28=0, ktorý má…
Čo je správne? O rozpustnosti zlúčenín s-prvkov môžeme konštatovať: a) Všetky soli s-prvkov sú vo vode dobre rozpustné, b) Soli s1-prvkov sú až na výnimky vo vode rozpustné, c) Soli s1-prvkov sú…
doučma.sk
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