Question

Balanceie as equações abaixo pelo método das tentativas:

A- AI2S3 + H2O --- AI(OH)3 + H2S

B- H2S + FE(OH)3 ---. FE2S3 + H2O

C- HNO3 + FE(OH)2 --- FE(NO3)2 + H2O

D- H2S + BR2 --- HBR + S

E- K2CR2O7 + KOH --- K2CRO4 + H2O

F- C2H5OH + O2 --- CO2 + H2O

G- AI(OH)3 + H4SIO4 --- AI4(SIO4)3 + H2O

H- CU(OH)2 + H4P2O7 --- CU2P2O7 + H2O

I- HCI + NA3ASO3 --- NACI + H3ASO3

J- C2H4 + O2 --- CO2 + H2O



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Answer 1

Resposta:Segue as respostas abaixo na explicação

Explicação:

A-  2 AI2S3 + 12 H2O ---  4 AI(OH)3 + 6 H2S

B- 6 H2S + 4 Fe(OH)3 ---. 2 Fe2S3 + 12 H2O

C- 2 HNO3 + 1 Fe(OH)2 --- 1 Fe(NO3)2 + 2 H2O

D- 1 H2S + 1 Br2 --- 2 HBr + 1 S

E- 1 K2Cr2O7 + 2 KOH --- 2 K2CrO4 + 1 H2O

F- 1 C2H5OH + 3 O2 --- 2 CO2 + 3 H2O

G- 4 AI(OH)3 + 3 H4SiO4 --- 1 AI4(SiO4)3 + 12 H2O

H- 2 Cu(OH)2 + 1 H4P2O7 --- 1 Cu2P2O7 + 4 H2O

I- 2 HCI + 1 Na2SO3 --- 2 NaCI + 1 H2SO3

J- 2 C2H4 + 6 O2 --- 4 CO2 + 4 H2O