Child pages
  • Nitrogen exercises
Skip to end of metadata
Go to start of metadata

Stress Pattern

Number of Syllables

Primary Stress

NI tro gen

3

first

Suggested exercises

1. Your student asks, "Why does the chemistry department keep huge tanks of liquid nitrogen?  Isn't that dangerous?"  Answer her.
F

Useful words

cooling
77 Kelvin, -196 Celsius
Dewar flask
freezing
lyophilization (freeze-drying)
non-flammable
not an oxidant
exclusion of air
asphyxiation
suffocation
F

2. The student asks you where all that liquid nitrogen comes from.  Explain.
F

air
compression
expansion
PV = nRT
fractional distillation
liquid oxygen
argon
helium
F

  • No labels