A teacher tells you that they have 30 cm3 of sand (volume) in a graduated cylinder. You tell the teacher that this is not accurate since sand has a bunch of air spaces all through it. Create a short procedure for how you could calculate the ACCURATE VOLUME for just the sand, without any air spaces in it.

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds

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.