From the equation : 1 N2 + 3 F2 2 NF3 What is the volume of N2 gas at STP that reacted with F2 to produce 2 moles NF3?

How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump