Calculate the number of molecules found in 18 g of CO GAS 2

In a closed or isolated system , matter can not be created or destroyed. it can change forms but is conserved true or false

Matches the chemical name of each oxide of phosphorus to its chemical formula

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space