The composition of a compound is 6.27 g calcium and 1.46 g nitrogen. Calculate the empirical formula (A) Ca3N2

(B) Ca3N

(C) Ca1.5N

(D) Ca2N3

How many grams of magnesium metal will react completely with 8.3 liters of 5.5 m hcl? show all of the work needed to solve this problem. mg (s) + 2hcl (aq) → mgcl2 (aq) + h2 (g)

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

How is the atomic number of a nucleus changed by alpha decay