8Zn + S8 ---> 8ZnS From the reaction above when 4 moles of zinc are reacted with 3 moles of S8, how many moles of the excess reactant remain?

2.5 mol

1.0 mol

4.5 mol

2.0 mol​

all eukaryotic cell have mitochondria : )

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

idk what is it? is this a question that you know the answer or u dont