A weather balloon contains 7.80 moles of helium at a pressure of 0.992 atm and a temperature of 24° C at ground level. What is the volume of the balloon under these conditions?

its mg hope this

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)

6.4 cm (max) - 25 cm (min)

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.