How many grams are in 2.85 X 10^23 molecules of CO2?

6,461.44 sana po maka tulong

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)

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.