Caclium carbonate +sodium bicarbonate -carbon dioxide+calcium carbonate+sodium chloride+dihydrogen monoxide what kind of reaction is this? is it balanced

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done

What is the pressure of 0.500 moles of carbon dioxide gas in a 2.5 l tank and at a temperature of 301 k? (r=0.0821 l·atm/mol·k) 3.08 atm 1.2 atm 0.23 atm 4.01 atm 4.94 atm

Scuba divers use tanks of compressed air to them breathe. gases can be compressed because?