Question

Lập PTHH

a) Sắt + Clo ----> Sắt ( III ) clorua

b) Nhôm + Oxi --------> Nhôm oxit

c) Đồng oxit + cacbon oxit ---------> đồng + cacbon dioxit

d) Natri + nước --------> Natri hidroxit + khí hidro

Answer 1

https://i.imgur.com/r7vHGl7.jpg

Answer 2

a) \(2Fe+3Cl_2\rightarrow2FeCl_3\)

b) \(4Al+3O_2\rightarrow2Al_2O_3\)

c) \(CuO+CO\rightarrow Cu+CO_2\uparrow\)

d) \(2Na+2H_2O\rightarrow2NaOH+H_2\uparrow\)

Answer 3

a) 2Fe + 3Cl₂ \(\underrightarrow{to}\) 2FeCl₃

b) 4Al + 3O₂ \(\underrightarrow{to}\) 2Al₂O₃

c) CuO + CO \(\underrightarrow{to}\) Cu + CO₂

d) 2Na + 2H₂O → 2NaOH + H₂

Answer 4

a) 2Fe + 3Cl₂ ----(t^o)--> 2FeCl₃

b) 4Al + 3O₂ ----(t^o)--> 2Al₂O₃

c) CuO + CO to→ Cu + CO₂

d) 2Na + 2H₂O → 2NaOH + H₂

Answer 5

a) 2Fe + 3Cl2 \(\underrightarrow{to}\) 2FeCl3

b) 4Al + 3O2 \(\underrightarrow{to}\) 2Al2O3

c) CuO + CO \(\underrightarrow{to}\) Cu + CO2

d) 2Na + 2H2O → 2NaOH + H2

Answer 6

a) 2 Fe + 3Cl₂ \(\rightarrow\) 2FeCl₃

b) 4Al + 3O₂ \(\rightarrow\) 2Al₂O₃

c) CuO + CO \(\rightarrow\) Cu + CO₂

d) 2Na + 2H₂O \(\rightarrow\) 2NaOH + H₂

Answer 7

a) 2 Fe + 3Cl2 2FeCl3 (to)

b) 4Al + 3O2 2Al2O3 (to)

c) CuO + CO Cu + CO2 (to)

d) Na + H2O NaOH + 1/2H2

Answer 8

a) 2Fe + 3Cl2 -t^o-> 2FeCl3

b) 4Al + 3O2 -t^o-> 2Al2O3

c) CuO + CO -t^o-> Cu + CO2

d) 2Na + 2H2O -> 2NaOH + H2