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Ahojte :)
Prosím, čo vznikne acidobázickou reakciou p-nitrofenolu a etánamínu?
Ďakujem :)
Dobrý deň.Chcem sa spýtať, robím úlohu na odhad lenže vždy mi vyjde číslo 595 000 000 príklad je : 569 458 158+26 352 786 Vopred ďakujem
Dobrý večer, vedel by niekto vyrátať tento príklad? Do vane máme pripraviť 80 l vody teploty 36oC. Studená voda v kúpeľni má teplotu 10oC, teplá 50oC. Koľko teplej a studenej vody potrebujeme?
Dobrý večer vedel by mi niekto pomôcť s touto DÚ. Budem veľmi vďačná Chýba tam ešte jeden verš : sú len mravy, reč a mysle svorné Môj email: luciahhh2@gmail.com
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