Polonium-214 has a relatively short half-life of 164 seconds. How many seconds would it take for 8,0 g of this isotope to decay to 0.25 g?

820 Seconds Or 5 Periods

Explanation:

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)

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.