Voda: Rozdiel medzi revíziami

Smazaný obsah Přidaný obsah
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Značky: vizuálny editor Možný vandalizmus
d Verzia používateľa 87.197.40.113 (diskusia) bola vrátená, bola obnovená verzia od BT
Riadok 54:
* Pre [[rastliny]] je významné nielen jej celkové množstvo za rok, ale tiež výskyt a rozdelenie vo vegetačnom období vzhľadom na ich rastové fázy.
* Pre mnohé živočíchy je voda priamo životným prostredím.
* Vodu je potrebné piť pri 30 stupňoch celzia
 
== Štruktúra vody ==
* Voda predstavuje [[chemická zlúčenina|chemickú zlúčeninu]] dvoch [[atóm]]ov [[vodík]]a (H) a jedného atómu [[kyslík]]a (O). Atómy v [[molekula|molekule]] vody sú viazané jednoduchou [[kovalentná väzba|polárnou kovalentnou]] väzbou. Intermolekulové vodíkové mostíky sú príčinou napr. vysokej teploty varu vody 100 °C.
* Voda sa v prírode vyskytuje v [[plynné skupenstvo|plynnom]], [[kvapalné skupenstvo|kvapalnom]] a v [[tuhé skupenstvo|tuhom skupenstve]].ttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt
* Pre svoj dipólový charakter je voda dobrým [[rozpúšťadlo]]m iónových zlúčenín.