
Aplicarea principiului I la transformările gazului ideal
Quiz
•
Physics
•
10th Grade
•
Practice Problem
•
Hard
Camelia Badea
Used 8+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mărimea fizică definită prin raportul Q/(m∙ΔT) se numește:
căldură molară
capacitate calorică
căldură
căldură specifică
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Într-o destindere izotermă a unui gaz ideal, lucrul mecanic se consideră:
nul
pozitiv
negativ
uneori pozitiv, alteori negativ
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mărimea fizică numeric egală cu căldura necesară modificării temperaturii unui corp cu 1K este:
căldură molară
căldura specifică
capacitate calorică
căldură
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Expresia energiei interne a unui gaz ideal monoatomic este:
U=νRT/2
U=3νRT/2
U=5νRT/2
U=7νRT/2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Relația Q=ΔU este adevărată pentru o transformare:
adiabatică
izotermă
izobară
izocoră
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Variația energiei interne a unui gaz ideal care suferă o transformare generală este:
ΔU=νCVΔT
ΔU=νCpΔT
ΔU=νRTln(Vf/Vi)
ΔU=0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unitatea de măsură a căldurii specifice în S.I. este:
J
J/mol
J/(kg⋅K)
J/K
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