You learn that a barrel of the bolts has a mass of 65.2 kg. The mass of the barrel wa: 9.6 kg. How many boxes of bolts are in the barrel?

Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)

How many atomic mass units are equal to 1.672×10−24 g of protons?