arabera MILAGROS MONTERO 4 years ago
330
Honelako gehiago
by Gloria rojas
by Limara Arellano
by Angel Soto
by Meli Pérez
láctica
acética
alcohólica
2HgO=2 Hg+O2
C3H8+5O2=3CO2+4H2O
2F2+2Na2O=4NaF+O2
4Al+3O2=2Al2O3