What is the net force acting on a door if one person pushes to the right with a force of 2000 N and a second person pushes with a force of 1500 N
to the right?

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)

the dissolution of polymer can be thermodynamically described in 2 steps.

a electronegativity decreases beacuse the size of nucleus is bigger.