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CONC.REAC.n12

Authored by Radu RaduB

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KG

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CONC.REAC.n12
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11 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

FACTORII CARE INFLUENTEAZA ECHILIBRUL CHIMIC

CONCENTRATIA, TEMPERTURA SI PRESIUNEA

ATOM ; ION ; MOLECULA ;

SOLIDIFICARE;TOPIRE;LICHEFIERE;VAPORIZARE

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

CONDITII NORMALE DE TEMPERATURA SI PRESIUNE SE CONSIDERA

PRESIUNEA DIN EXTERIOR ; TEMPERATURA ABSOLUTA ;

p0= 1 atm; t0=0 C

PRESIUNEA ATMOSFERICA; t=100 C

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

CALCUL CORECT (SUB)MULTIPLI; INMULTESC CU FRACTIA: SUS( NUMARATOR) CE SA OBTINEM, JOS(NUMITOR) CE AVEM;

V=2L; V mL=? V=2L* 1000mL/1L = 2000 mL ( se simplifica L cu L)

10 L=100 mL

10 L=1 000 mL

10 L=10 000 mL

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

IN ( C.N. ) CONDITII NORMALE, 1 MOL DIN ORICE GAZ CONTINE NA = 6,023* 1023 MOLECULE, OCUPA UN VOLUM

VOLUM ATMOSFERIC

V=273 L

Vm=22,4 L/MOL

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

ECHILIBRUL CHIMIC ARE LEGĂTURĂ MAI MARE CU:

JOULE; WATT; FAHRENHEIT

VOLTA; NEWTON; OHM

CHATELIER; GULDBERG; WAAGE

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

REACTIILE CHIMICE INSOTITE DE ELIBERARE DE CALDURA SE NUMESC

ENDOTERME

EXOTERME

STATICE

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

REACTIILE CHIMICE POT FI

REVERSIBILE SAU IREVERSIBILE

TOPIRE SAU SOLIDIFICARE

VAPORIZARE SAU LICHEFIERE

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