Is hand sanitizer an acid or base?​

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

Which terms are used to identify pure substances