Rank the members of each set of compounds in order of increasing ionic character of their bonds. (a) HBr, HCl, HI HCl < HBr < HI HBr < HCl < HI HI < HBr < HCl (b) H2O, CH4, HF H2O < CH4 < HF CH4 < H2O < HF HF < H2O < CH4 (c) SCl2, PCl3, SiCl4 SCl2 < PCl3 < SiCl4 PCl3 < SCl2 < SiCl4 SiCl4 < PCl3 < SCl2

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

[ou.03jthe pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, star 1, star 2, and star 3. intensity intensity- intensity- 1000 3500 6000 8500 11000 wavelength (a) star 1 1000 3500 6000 8500 11000 1000 3500 6000 8500 11000 wavelength (a) wavelength (a) star 2 star 3 which of these statements is correct about the color of the three stars? star 2 is white in color o star 2 is yellow in color star 1 and star 3 are yellow in color star 1 and star 3 are white in color