Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Is this a precipitation reaction?

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Describing intermolecular forces use the drop down menus to match the type of intermolecular force to its name dipole dipole interactions dipole induced dipole interactions london dispersion forces hydrogen bond van der waals forces done