What is the expected outcome of adding a catalyst to a chemical reaction?
a.
the reaction will speed up.
b.
chemical equilibrium will not be reached.
c.
the reaction will slow down.
d.
no change will occur.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

Which suspect most likely committed the robbery and how do you know

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.