April 2019 1 11 Report
AYUUUUDAAAA POR FAVOR, PARA HOY SII


Clasifique las siguientes reacciones químicas

1). 2Hg0(s) ==> 2Hg(L) + 02(g) △H<0

2). H2S04 + Ca(0H)2 ==> CaS04 + H20 -20.000 cal

3). 2Na + Cl2 ==> 2NsCl + 15.000 cal

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