Вопрос школьника по предмету Химия
Закончить уравнения реакций
a)—>H2SO3
b)—>Ca(OH)2 + H2
c)—>ZnCL2 + H2O
d)—>Cu + H2O
e)—>BaSO4 + NaCL
Ответ учителя по предмету Химия
1)H2O+SO2—>H2SO3
2)Ca+2H2O—>Ca(OH)2+H2
3)Zn+2HCl—>ZnCl2+H2
4)CuO+H2—>Cu+H2O
5)BaCl2+Na2SO4—>BaSO4+NaCl
Похожие вопросы от пользователей
1I feel very thirsty. Can I have some/ few/ — (1) water from your fridge?
2 Jack doesn’t trust me. Whatever/ what/ that (2) I say he never believes me.
3 -where’s the/a/ some (3) pen I gave you for your birthday
— oh, I don’t know . A friend has probably borrowed it , but I don’t remember who exactly
4 Neil. Is where he allergic and has to be careful with his diet. He can’t eat some/a/- (4) bread, for example
5 Look, it’s too late and I can’t let you go out alone. Wherever/ whenever/ however (5) you’re going ,I’m going with you
6 — ok, I’m waiting for you here. how long will you shopping take?
— I don’t know . Some/ a/an(6) hour, probably.