Ammonia Chemical Bonding Worksheet Page 22
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28any one from:
safety
•
escape of dangerous / harmful chemicals / gases (owtte)
do not allow polluting gases unqualified
•
danger of increased traffic
•
risk of explosion.(owtte) /danger of high pressure
•
consequences of an accident could be severe if the town is close
•
any other sensible safety idea
1
any one from:
environmental
•
factory might be unsightly (owtte)
•
screening of factory (owtte)
•
loss of habitats (owtte)
•
plant trees/ hedges etc on and around plant site
•
pollution of water / air / soil could harm plants / animals or noise pollution
must be explained
•
CO
is produced by burning fuels / heating
2
•
CO
causes global warming / any effect of global warming
2
•
eye sore
•
any other sensible environmental factor
1
[12]
-
M5.
(a)
(i)
high temperature
accept temperature given if ≥ 400 °C
ignore value if “high” stated, unless silly value
1
endothermic or reaction takes in energy
or Δ H is +ve
independent marks
1
Page 22 of 28
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