Fizik masala qanday yechiladi?

Mustaqil yechish uchun testlar
1. Molekulyar – kinetik nazariya asoslari.
1. Uglerod atomining massasini aniqlang(kg).
A) 7,210^27 B) 210^26 C) 510^26 D) 610^26
2. Moddaning molyar massasi deb nimaga ayti­ladi?
A) 273 K da 1 m³ hajmdagi modda massasiga
B)molekulaning grammlarda ifodalangan massasiga
C)berilgan modda atomi massasining uglerod atomi massasining 1/12 qsmiga nisbatiga
D)610²³ ta zarrachadan tashkil topgan modda massasiga
3. Avogadro soni deb qanday fizik katta­likka aytiladi?
A) 12 g ugleroddagi atomlar soniga
B) 1 mol moddadagi zarralar soniga
C) 32 g kisloroddagi molekulalar soniga
D) Javoblarning hammasi to‘g‘ri.
4. 32 g massali kislorod moddasining miq­do­ri­ni (mol) aniqlang.
A) 32 B) 16 C) 2 D) 1
5. Massasi 36 mg suvda nechta molekula bor?
A)310²³ B)610²³ C)610²⁰ D)1210²⁰
6. Modda miqdori 225 mol kislorodning massasini aniqang (kg).
A) 14,4 B) 7,2 C) 2,7 D) 6
7. Berilgan moddaning molyar massasi 36 g/mol bo‘lsa, bitta molekulasining massasi necha kilogramm bo‘ladi?
A) 3610^-3 B) 3610^-23 C) 610^-23 D) 610^-26
8. 180 mg massali suv tomchisida nechta mo­lekula bor?
A)110¹⁸ B)110¹⁷ C)310¹⁵ D)610²¹
9. 108 sm³ hajmdagi suvda nechta molekula bor?
A) 1,210²⁴ B) 3,610²⁴ C) 2,410²⁴ D) 610²⁴
10. 32 mg kislorodda nechta molekula bor?
A)1210²³ B)610²⁰ C)1210²⁴ B) 610²⁴
11. 20 g vodoroddagi molekulalar sonini aniqlang.
A)310²³ B)1,210²³ C)1,210²⁴ D)610²⁴