liq N2 expt liq N2 lit H2O expt H2O lit
density g/ml
0.799
0.808
0.991
0.997
refr. Index
1.200
1.205
1.335
1.330

Table 1. Comparison of literature and experimental values for liquid nitrogen and water obtained by students in the "Liquid Nitrogen Challenge" experiment, Fall 2000. Density determined as the slope of a line plotting mass vs volume; refractive index determined by laser refractometry.