Question

Stabiliti coeficientii va rog pentru urmatoarele reactii chimice:
Al + S - Al2S3
H2SO4 + Al(OH)3 - AL(SO4)3 + H2O
H202 - H2O + O2
KClO3 + HCl - KCl + Cl2 + H2O
KClO3 - KCl + 02

Answer 1

Al(0) + S(0) = Al2(+3)S3(-2)
H2(+1)S(+6)O4(-2) + Al(+3)(O(-1)H(+1))(-1)3 = Al+(3)(S(+5)O4(-2))(-1)3 + H2(+1)O(-2)
H2(+1)O2(-1) = H2(+1)O(-2) + O2(0)
K(+1)Cl(+5)O3(-2) + H(+1)Cl(-1) = K(+1)Cl(-1) + Cl2(0) + H2(+1)O(-2)
K(+1)Cl(+5)O3(-2) = K(+1)Cl(-1) + O2(0)