
sb 11 chimie
Authored by Château Château Eğitim
Chemistry
1st - 3rd Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
une masse donnée de gaz occupe un volume de 300ml sous une pression de 500 mmHg.A quelle pression faut-il mettre le gaz pourque son volume soit de 100ml?
2 atm
150 torr
150 cmHg
15 cmHg
2.
OPEN ENDED QUESTION
3 mins • Ungraded
A quelle température (en celcius) doit-on chauffer un gaz occupant 10 litres a 0 celcius pour que son volume devienne 12 litres.
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OFF
3.
OPEN ENDED QUESTION
3 mins • Ungraded
un réservoir en acier contient du gaz carbonique a 27 celcius et sous une pression de 12 atm.Calculez la pression du gaz en mmHg a l!intérieur quand le réservois est chauffé a 227 celcius.
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
quel est le volume occupé par 20g d'argon à 0 celcius et 76 cmHg?(Ar:40)
22,4
5,6
11,2
33,6
5.
OPEN ENDED QUESTION
3 mins • Ungraded
si la masse volemique de CO est de 3,17 g/L à 20 celcius et 2,35 atm,quelle sera sa masse molaire?
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6.
OPEN ENDED QUESTION
3 mins • Ungraded
A 25 celcius dans 2 récipients de même volume, il ya 6,02.1022 molécules de gaz azote et 17,6 g de gaz dioxyde de carbone.Si la pression du gaz azote est de 50mmHG,calculez la pression de gaz dioxyde de carbone
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7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
A 27 celcius ,dans un récipient de 12 litres,il y a 64 g de gaz O2,66 g de gaz dioxyde de carbone et 14 g de monoxyde de carbone.Claculez les pressions de partielles des gaz.Cochez les réponses vraies
P02= 4,1
PCO2=3,75
PCO=1,025
PT=8,2
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