Balance the following equations, and determine the possible mole
ratios.
a)
_ZnO(s)+
_HCl(aq) → _
_ZnCl2(aq)+ _
_H2O(1)
b) Butane (C4H8)+ oxygen carbon dioxide + water

Which substances have the lowest melting points: ionic covalent, or metallic

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

During which time interval does the object travel approximately 10 meters