Which two types of waves require matter in order to travel? О A. Light Waves

О B. Water Waves

О C. Electromagnetic Waves

О D. Sound Waves

The boiling point of propanoic acid is higher than that of 1-butanol because: propanoic acid has a higher molecular weight than 1-butanol. propanoic acid is more soluble in water than 1-butanol. propanoic acid is a better hydrogen bond donor than 1-butanol. propanoic acid forms hydrogen bonded dimers and 1-butanol does not. 1-butanol forms hydrogen bonded dimers and propanoic acid does not.

The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .