9-Sinf Fizika Modda miqdorining topish formulasini toping

9-Sinf Fizika
1.Modda miqdorining topish formulasini toping.
A) V=m/M B)V=M/m C) V=m*H
2.Mendelev-Klapeyron tenglamasini toppish formulasini ko’rsating.
A)P*V=m/M B)P*V=m/M*R*T C)P*V=M/m*R*T
3.H₂O suv molekulasining massasi 36 kg modda miqdorini toping.
M_H=1*10^-32 kg/mol Mo=16*10^-3kg/mol.
A)2*10^-3 mol B)2 mol C)0,2*10³ mol
4. Bosimi 100 KPA va hjmi 10 m³ bo’lgan kislorod molekulasi 27 ^o C temperaturada qancha massaga ega.
A) 6,6 B)6 C)0,66
5. Izotermik jarayon tenglamasini ko’rsating.
A) P₁/P₂=V₁/V₂ B) P₁*V₁=P₂*V₂ C)P₂/P₁=V₂/V₁
6.Qattiq holatdan birdan suyuq holatga o’tish nima deyiladi?
A)Rekombinatsiya B) Desublimatsiya C) Sublimatsiya
7.Issiqlik dvigateli isitkichdan 500 J issiqlik olib sovutkichga 100 J issiqlik berdi.Uning Foydali ish koeffitsiyenti topilsin. (% da )
A) 80 % B)800 % C)0,8 %
8.Termodinamikada ish formulasi topilsin.
A) A=P/delta V B) A=P* delta V C) A= deltaV/P
9. -593 ^oC ni Kelvinga o’tkazing.
A) -300 K B)320 K C) -320 K
10.Izoxorik jarayonda ish bajariladimi?
A) Ha B) Yo’q C)Bajarilishi ham bajarilmasligi ham mumkin