Explain how the diphosphate ion, [o3p−o−po3]4−, can function as a water softener that prevents the precipitation of fe2+ as an insoluble iron salt.

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.