Posted By: Xofon (Xof) on 'CZscience' Title: Re: Vodni kamen Date: Mon Feb 13 12:44:40 2006 > Poradi nekdo k jake chemicke reakci tam doslo? Podle mne k kyselina + sul slabsi kyseliny -> slabsi kyselina + jina sul, a jina sul se snaze odplavi. Konkretneji bych rekl, ze k (pokud vodni kamen by mohl byt uhlicitan vapenaty) 2 CH3COOH + CaCO3 -> Ca(CH3COO)2 + H2O + CO2. > ___________________________ > (___ _____________________) > | |_ __ __ _ __ __ > | | | _| _| | | | > |_|_|__|__|_|_|_|__| It's better to burn out than fade away. Xof :wq