What body system changes the food we eat into energy?

14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

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