I have no idea how to do this, can anyone help me?

How many moles of n2 you have in 476 l sample at stp?

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature

In apex! a liquid heated beyond a certain temperature becomes