Which two equations represent double replacement reactions. A. HCl+KOH=KCl+H2O

B. BaCl2+Na2SO4=2NaCl+BaSO4

C.2C2H6+7O2=4CO2 +6H2o

D. Ca+MgS=CaS+Mg

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.

Which best describes what forms in nuclear fission? a. two smaller, more stable nucleib. two larger, less stable nucleic. one smaller, less stable nucleusd. one larger, more stable nucleus

A10-kg isto a of 10 m at aa0.9 kg/m.30 kg of ,at aas10-m .. ( 9.8 m/s2 g.)