Help balance this equation: Li3N + CuS -> Li2S + CuN2

If u could explain step by step, I’d greatly appreciate it!

Ineed with a, b, c, d, and e on the long answer

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.