When balancing a chemical equation can you adjust the number that is subscripted to a substance formula?

Which characteristic of water it form droplets? a. low specific heat b. nonpolar structure c. high surface tension d. ability to dissolve substances

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

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar