HELP PLEASE ITS EASY I JUST CANT COUNT LOL Cu + 2AgNO3 → 2Ag + Cu(NO3)2
How many copper (Cu) atoms are there in Cu(NO3)2 ?

the numbers are subscripts btw!!!

How much energy moves onto the next level, in an energy pyramid

What does the process of natural selection involve

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.