The weakest hydrogen line stars are classified as: class a class m class q class z

If two objects at different te,peraure are in contact with each other what happens to their temperature

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-

If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution