Question

HNO3 + Cu =Cu(NO3)2 +NO2 +H2O help with balancing :(

Answer 1

you should make a table of reactant atoms and product atoms, then start assigning coefficients in front to try and equalize the number of each atom. it will probably take some back and forth

Answer 2

oh God, i am so tired and i do not have time for this thing now

Answer 3

I think it would be 4HNO3 +Cu=Cu(NO3)2 +2NO2 + 2H2O

Answer 4

Aiste is right :)

Answer 5

when i give up I use this website: http://www.webqc.org/balance.php although I suggest you dont use it all the time so you don't forget how to do it.