no reaction
because Cu is below Zn at electrochemical series ,so Cu can't take Zn away from its salts
NH3 + O2 + H20 = HNO3 + 2H2 Basically, on the left you have 1 N, 3 O and 5 H atoms. On the right, you have 1 H, 1 N and 3 O atoms - leaving 4 H atoms doing nothing. Since a molecule of Hydrogen has 2 atoms, you need 2 atoms to balance the equation.
This is an oxidation reaction of N from -3 (in NH3) to +2 (in NO) oxidation value. 4 NH3 + 5 O2 --> 6 H2O + 4 NO
The balanced equation for FeS + O2 → SO2 + FeO is: 4FeS + 7O2 → 2SO2 + 2FeO
The reaction is the decomposition of potassium nitrate (KNO3) into potassium nitrite (KNO2) and oxygen (O2) gas. 2 KNO3 → 2 KNO2 + O2.
The balanced chemical equation for the decomposition of NaClO3 to O2 and NaCl is: 2 NaClO3 -> 3 O2 + 2 NaCl
1 nh3+ 2o2 >>>>> 1hno3 + 1h2o
2NaH2 + O2 yields 2Na + 2H2O
I think that should be 2N2O4+2H2O+O2 --> 4HNO3 But i'm not sure
4Li + O2 -> 2Li2O
Endothermic
NH3 + O2 + H20 = HNO3 + 2H2 Basically, on the left you have 1 N, 3 O and 5 H atoms. On the right, you have 1 H, 1 N and 3 O atoms - leaving 4 H atoms doing nothing. Since a molecule of Hydrogen has 2 atoms, you need 2 atoms to balance the equation.
Mg equals Mg2+ plus 2e-
yes
exothermic
yes
This is an oxidation reaction of N from -3 (in NH3) to +2 (in NO) oxidation value. 4 NH3 + 5 O2 --> 6 H2O + 4 NO
Cu (copper) reacts with CO2 (carbon dioxide), H2O (water), and O2 (oxygen) to form a product. The specific product formed depends on the reaction conditions and stoichiometry. Without further information, it is not possible to determine the exact reaction and product formed.