October 2018 1 582 Report
Clasifica las siguientes reacciones quimicas como: sintesis, descomposicion, sustitucion, doble descomposicion, exotermica, endotermica o redox.

a) S(s) + O2(g) -> SO2(s)
b) Na2CO3(s) -> Na2O(s) + CO2(g)
c) C3H8(g) +5O2(g) -> 3CO2 (g) + 4H2O(g) + energia
d) AgNO3(ac) + NaBr(ac) -> AgBr(ac) + NaNo3(ac)
e) Zn(s) + H2SO4(ac) -> ZnSO4(ac) + H2(g)

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