A student carries out this chemical reaction in a beaker: (Zn + CuCl2) ( Cu + ZnCl2). After the reaction has come to completion, what should the student expect to find in the beaker?

the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.

un recipient conține 6,4 moli de gaz. gazul hidrogen reprezintă 25% din totalul kilometrilor din container. în cazul în care presiunea totală este de 1.24 atm ceea ce este