How does the type of bonds present in a substance influence the chemical and physical properties of that substance?

When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0