Question

very very urgent please ask​

Answer 1

Answer:

Mg(s) + 2 HCl(aq) --> MgCl 2 (aq) + H 2 (g)

2Cu(s) + O_2(g) → 2CuO(s)

Fe (s) + CuSO4(aq) -> Cu (s) + FeSO4(aq)

Answer 2

Answer:

a) Mg + 2HCl -----> MgCl2 + H2(gas)

b) 2Cu + O2 ---(heat)---> 2CuO

c) Fe + CuSO4 -------> Cu + FeSO4