1. A fertiliser manufacturer makes a batch of 20 kg of ammonium nitrate. What mass of ammonia, in kg, does the manufacturer
need to start with?

How much heat is released upon converting one mole of steam (18.0 g) from 100.0 ∘c to water at 25.0 ∘c? show work and constants, trying to figure out how it works. only given the heat capacity for steam and water so try to only use that

1) this is the structure in the cell nucleus that houses a cell's genetic information

How does a hydroelectric power plant converts energy into energy.