A photon has a frequency of 2.68x10 s 1. Calculate its energy.

Describe in detail the melting point behavior of the 80: 20 benzoic acid-mandelic acid mixture

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 ->

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion