chem3

chem3

1st - 5th Grade

2 Qs

quiz-placeholder

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chem3

chem3

Assessment

Quiz

Chemistry

1st - 5th Grade

Hard

Created by

ΙΩΑΝΝΗΣ ΘΕΟΔΩΡΟΥ

Used 1+ times

FREE Resource

2 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Media Image
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Media Image

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