A 7.40 L sample of N2 reacts completely at STP. the mass of the Mg consumed in the reaction is:

A. 13.9 g
B. 8.04 g
C. 24.1 g
D. 16.1 g

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n

About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?