Question

ハムレオ

化学の問題です

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お願いいたします

(15) (
)Cu+(
)02 (
)CuO
(16) (
)HCI+(
)NaOH (
)NaCl+(
)H₂O
(17)(
)H2SO4+(
)NaOH (
)Na2SO4+(
)H₂O
(18) (
)N₂+(
)H2→(
)NH3
(19)(
)H2+(
)C12 (
)HCl
(20) (
)Na+(
)H2O (
)NaOH+(
)H2
(21) (
)Ca+(
)H₂O (
)Ca(OH)2+(
)H2
(22)(
)Al+(
)HCI (
) AlCl3+(
)H2
(23) (
)Zn+(
)HCI (
)ZnCl2+(
)H2
(24)(
)H2S+(
)SO2(
)S+(
)H₂O
(25)(
)H2O2-(
)02+(
)H₂O
(26)(
CaCO3-
)CaO+(
)CO2
(27) CH₁+(
)02→→(
)CO₂+(
)H₂O
(28) エタン C2H6
(
)C2H6+(
)02-(
)CO₂+(
)H₂O
OH

Answer 1

ゲス

反応の前後で各元素の個数あうように決めればいいだけだす