(c) An analysis of the compound, Pb(C2H5)n, showed that 0.026 moles of Pb was combined with 0.104 moles of C2H5 groups.
What is the value of n? Show how you arrived at your answer.
[2]

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Which statement best describes the flow of energy in this scenario