Pls help and make sure of your answer I have an exam tmrw and it will come

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 ->

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal