Suppose you were producing zinc chloride by the reaction, zn + 2 hc1 > znc12 + h2 if you started with 4 molecules of zinc, you would need of hydrogen chloride and you would produce molecules of zinc chloride.

Mga halaman/punong ornamental na di namumulaklak

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?

When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.