A certain hydrocarbon CxHy, is burned (reacts with O2gas) and produces 1.955 grams of CO2 for every 1.000 gram of H2O. What is the empirical formula of this hydrocarbon? CxHy + O2 yield CO2 + H2O

What type of electromagnetic radiation has a shorter wavelength than blue light

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion