Which energy changes are associated with a liquid freezing? energy is released as potential energy increases. energy is absorbed as potential energy increases. energy is released as potential energy decreases. energy is absorbed as potential energy decreases.

What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn

Why is nh3 classified as a polar molecule

Find the mass in grams of 1.37x1020 particles of h3po4