Calculate the mass of water vapor and carbon dioxide that would be produced by gently heating a mixture of 1.550 g of NaHCO3 and 0.463 g Na2CO3.

Eleni and analisa are driving to ms. a's wedding. eleni is going east at a rate of 50 mph and analisa is driving south at 38 mph. at what is the distance between the cars changing when eleni is 1 mile and analisa is 3/4 mile from the wedding?

Given sin=-4/5 and x is in quadrant 3, what is the value of tan x/2

The color contrast between the open ocean and the lagoon between the spit and the mainland. the greater concentration of suspended sediments in the lagoon gives the waters a more turbid appearance. the source of sediment in the lagoon is (are) [(rivers and streams from the mainland) (wind-borne sediment from the spit) (ocean waves washing over the spit) (all of these contribute)].