Enthalpy of Formation
AP Chemistry · Flashcards
AP CHEMISTRY · FLASHCARDS
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QUESTION
What is the enthalpy of formation for ammonia,
N
H
3
(
g
)
NH_3(g)
N
H
3
(
g
)
?
QUESTION
Identify the enthalpy change for forming 1 mole of
C
H
3
O
H
(
l
)
CH_3OH(l)
C
H
3
O
H
(
l
)
from its elements.
QUESTION
What is the standard enthalpy of formation for oxygen gas,
O
2
(
g
)
O_2(g)
O
2
(
g
)
?
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ANSWER
0 kJ/mol. Diatomic oxygen is an element in its standard state.
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