A gaseous compound is 78.14 percent boron and 21.86 percent hydrogen .At 27degrees celicius ,73.4ml of the gas exerted a pressure of 1.12atm .If the mass of the gas was 0.0934g, what is it's molecular formulae

State the formula for density in words and mathematical symbols

You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap

Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.