Question 22 at a certain temperature this reaction follows first-order kinetics with a rate constant of 2.19. 2n2o5 --> 2n2o4 + o2. suppose a vessel contains at a concentration of . calculate the concentration of in the vessel seconds later. you may assume no other reaction is important.

What is the chemical formula of the following compound

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 ->

Aphysical reaction is a process in which one or more reactants change into one or more products with different properties. select the best answer from the choices provided t f