¿Cuál de las siguientes reacciones se encuentra CORRECTAMENTE balanceada? A.
CH4+2O2→CO2+3H2O
B.
CH4+3O2→CO2+2H2O
C.
2KClO3→2KCl+3O2
D.
3KClO3→3KCl+2O2​

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

The diagram shows the relationship between scientific disciplines.the names of some scientific disciplines have been removed from the boxes. which scientific discipline belongs in the blue box? a.physics b.biology c.chemistry d.metallurgy

Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.