Name four important types of molecules found in cells

What is the value of keq for the reaction expressed in scientific notation

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.