Manufacturing Ammonia Crossword Puzzle

QUESTIONS LIST:

• fertiliser: added to soil to increase the amount of nutrients and increase yeild
• equilibrium: when two opposing reactions take place at the same rate
• nitrogen: plants need this to grow and is one of two elements needed for ammonia
• ammonia: manufactured from two elements needed for fertiliser (nh3)
• thehaberprocess: the name of the process which turns nitrogen from the air into ammonia
• hydrogen: come from a reaction with natural gas
• methane: example of a natural gas
• compressed: nitrogen and hydrogen are _ to 200 atmospheres
• temperature: heated to a _ of 450 degrees
• catalyst: a substance which speeds up a reaction without being used up itself
• mass: the amount of matter that something is made up of (measured in kg)