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chem3
Quiz
•
Chemistry
•
1st - 5th Grade
•
Hard
ΙΩΑΝΝΗΣ ΘΕΟΔΩΡΟΥ
Used 1+ times
FREE Resource
2 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Δίνονται οι θερμοχημικές εξισώσεις:
C6H14(g) + 19/2O2(g) → 6CO2(g) + 7H2O(g) ΔΗ1
12CO2 (g) + 14H2O (g) → 2C6H14 (g) + 19O2 (g) ΔΗ2
Για τις ενθαλπίες ΔΗ1 και ΔΗ2 ισχύει η σχέση:
ΔΗ2=ΔΗ1
ΔΗ2=ΔΗ1
ΔΗ2=ΔΗ1
ΔΗ2=ΔΗ1
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