The volume occupied by a sample of gas is 300.0 mL when the pressure is 2.20 atm. What volume, at constant temperature, will the gas occupy when the pressure is decreased to 1.50 atm?

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)

- decrease the number of plants and animals living in the water.

it is the most commonly accepted one