Now molecules: molecules of H2 + molecules of O2 → molecules of H2O

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

Which formula can be used to calculate the molar mass of hydrogen peroxide

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate