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Dobrý deň, potrebujem vysvetliť pri bežnom rozklade vo vete, či je to predmet priamy/nepriamy alebo príslovkové určenie miesta/času/príčiny/spôsobu, alebo prívlastok zhodný/nezhodný. Veta: Košaté…
23. Pri spálení 50 l plynného etanolu za normálnych podmienok sa uvoľní 3,092 MJ. Vypočítajte reakčné teplo tejto reakcie. a) 2862,96 kJ b) 1386,55 kJ . mol-1 c) 1386,55 kJ d) 2862,96 kJ…
Dobrý deň, vedel by mi niekto pomôcť pri výpočte otázky: 48. Koľko gramov alebo aké látkové množstvo železa potrebujeme na reakciu s 25 ml HCl, c = 0,5 mol . l-1, aby sme pripravili chlorid…
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