Given the electronegativities below, which covalent single bond is most polar?
element: h c n o
electronegativity: 2.1 2.5 3.0 3.5
a) n-h b) o-c c) o-n d) c-h e) o-h

Which uses electromagnetic radiation to discover the properties and composition of bodies in space? space probe space station space shuttle space observatory

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide as shown below. caco3(s) cao(s) + co2(g) the kp for this reaction is 1.16 at 800°c. a 5.00 l vessel containing 10.0 g of caco3(s) was evacuated to remove the air, sealed, and then heated to 800°c. ignoring the volume occupied by the solid, what will be the mass of the solid in the vessel once equilibrium is reached?