Which cation in each set is expected to have the larger (more negative) hydration energy? i be2+ or ca2+ ii rb+ or zn2+

Dis the answer hope this

Hello!   ==i would say:   spring tides are the highest, while neap tides are the lowest.==hope this ! : )

Find  the  area  of the  region bounded  by the  curves y equals  the  inverse sine  of  x divided  by 4,  y  =  0, andx  = 4  obtained  by  integrating  with  respect  to  y.  your work must include  the  definite integral  and theantiderivative.