Has anyone done this assignment for chemistry on edg, called "Thermochemical Equations", "Project: Modeling Energy Changes?" You have to upload a file and I need help from you guys!!!

in theory, limestone is composed principally of the compound calcium carbonate - caco3, but in reality this compound is deposited in conditions involving a number of other compounds as impurities so it ends up being a mixture of many compounds.

hope this : -)

tony (lordcaos066)

answer; i believe that the correct answer is (a) potassium(k)

c. 75.7

i think that is the right

i'm wiling to try and you : )