Hydrocyanic acid (HCN) is a weak acid. Write the mass action expression for its acid-ionization reaction.

Smog is the term used to describe the combination of fog and smoke

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )