4. Στοιχειομετρία (Επανάληψη)

4. Στοιχειομετρία (Επανάληψη)

10th Grade

15 Qs

quiz-placeholder

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4. Στοιχειομετρία (Επανάληψη)

4. Στοιχειομετρία (Επανάληψη)

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Medium

Created by

michalis maragkakis

Used 8+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 2 pts

Media Image

Το 1 mol ΝΗ3, περιέχει...

ΝΑ μόρια ΝΗ3

22,4 μόρια ΝΗ3

603∙ 1023 μόρια ΝΗ3

1000 μόρια ΝΗ3

2.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

Media Image

1 mol CO2 σε STP καταλαμβάνει όγκο ίσο με...

22,4 mL

22,4 L

NA L

1 L

3.

FILL IN THE BLANK QUESTION

20 sec • 2 pts

Media Image

Πόσα mol είναι τα 4 NA μόρια ΝΗ3;

4.

FILL IN THE BLANK QUESTION

45 sec • 3 pts

Media Image

Ο αριθμός των mol που περιέχονται σε 3,6 g Η2Ο, είναι...

Δίνονται: Ar(H)=1, Ar(O)=16.

5.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Media Image

Τι όγκο σε STP καταλαμβάνουν τα 2 mol CO2;

448 L

22,4 L

44.800 mL

4,48 L

6.

MULTIPLE CHOICE QUESTION

45 sec • 3 pts

Media Image

Ποια ποσότητα είναι τα περισσότερα mol;

Δίνονται: Ar(H)=1, Ar(S) =32

224 L H2S σε STP

4NA μόρια Η2S

3 mol Η2S

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Δίνονται Ar(H)=1, Ar(O)=32, Ar(S)=32

Τα 0,2 mol H2SO4, ζυγίζουν...

19 g

196 g

4,48 g

19,6 g

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