ᴴᵉˡˡᵒ ʰᵃⁿᵈˢᵒᵐᵉ ᶠᵒˡˡᵒʷ ᵗʰᵉ ˡⁱⁿᵏ ᵃⁿᵈ ᴵ ʷᵒᵘˡᵈⁿᵗ ˡᵉᵗ ʸᵒᵘ ᶠᵃˡˡ ᵃˢˡᵉᵉᵖ ᵗᵒⁿⁱᵍʰ ᵂᵃⁱᵗⁱⁿᵍ ᶠᵒʳ ʸᵒᵘ
ᵇʳᵃⁱⁿˡʸ.ᵗᵒᵈᵃʸ

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2

Which of the following types of electromagnetic radiation has the longest wavelength? a. infrared light b. visible light c. ultraviolet light d. microwaves