If you rub a balloon on a piece of fabric or carpet it will cause friction. If you rub a balloon on your head then because of friction your hair will fly around trying to attract to the balloon.
Hope this helped!
Also I know where you got this question from. You got it from the Assignment for 3.05. Am I right? I am in FLVS. are you too?
Answer: 24 moles of 
are produced.
Explanation:
To calculate the moles :
According to stoichiometry :
1 mole of 
is accompanied with = 1 mole of
Thus 24 moles of is accompanied with =
of
Thus 24 moles of are produced.
I think it would be these three answers ionic , covalent , and polar covalent
