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Workshopquiz

Authored by Mads Kiilerich Kirdan

Chemistry

9th - 12th Grade

Used 2+ times

Workshopquiz
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

En katalysator ændrer dette ved en kemisk reaktion...

Ligevægtskonstant

Aktiveringsenergi

Varmeudvikling

(entalpiændring)

Uorden

(entropi)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

En katalysator ændrer dette ved en kemisk reaktion...

Ligevægtskonstant

Aktiveringsenergi

Varmeudvikling

(entalpiændring)

Uorden

(entropi)

3.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

Media Image

Hvilket af billederne viser bedst en ren kemisk forbindelse?

A

B

C

D

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Hvilket af billederne viser bedst en ren kemisk forbindelse?

A

B

C

D

Answer explanation

A) Grundstof

B) Blanding af grundstof

C) Ren kemisk forbindelse

D) Blanding af grundstof og kemisk forbindelse

5.

DRAW QUESTION

3 mins • 1 pt

Marker det asymmetriske carbonatom i limonen

Media Image

6.

DRAW QUESTION

3 mins • 1 pt

Marker det asymmetriske carbonatom i limonen

Media Image

Answer explanation

Media Image

Et carbon med fire forskellige bindinger er asymmetrisk (spejlbilledeisomeri)

7.

OPEN ENDED QUESTION

3 mins • 1 pt

Media Image

Hvad ved vi om entalpi, entropi og spontaniteten for denne reaktion?

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