For each of the following amounts, calculate the mass of the sample:
a) 5.32 mol barium iodide, Balz
b) 17.8 mol sulfur dioxide, SO2
c) 1.25 mol AspirinTM, CHO4
d) 0.234 mol magnesium nitrite, Mg(NO2)2

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)