When the following reaction reached equilibrium at 325 k , the equilibrium constant was found to be 172. when a sample was taken of the equilibrium concentration, it was found contain 0.2 m no2. what was the equilibrium concentration of n2o4? 2no2(g) < --> n2o4(g)

Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5