When cells or organisms maintain a stable internal state in a changing environment is called?

Tell me the iupac name of the following compounds:

Use the measurements in the table to determine which unidentified metal has the highest density. metal volume mass a 10.5 cm3 122 g b 14.2 cm3 132 g c 16.1 cm3 115 g d 12.7 cm3 126 g

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted