Kimyoviy bog‘lanish

98-6son-37.
122. Reaksiya tezligining temperatura koeffitsienti 3 ga teng. Reaksiya tezligini 81 marta oshirish uchun temperaturani necha gradus ko‘tarish kerak?
A) 15 B) 25 C) 30 D) 45 E) 40
98-6son-44.
123. Temperatura koeffitsienti 4 ga teng bo‘lgan reaksiyaning tezligini 256 marta oshirish uchun temperaturani necha gradusga ko‘tarish kerak?
A) 30 B) 40 C) 35 D) 25 E) 45
99-3son-45.
124. Reaksiya tezligining temperatura koeffitsienti 3 ga teng bo‘lsa, reaksiya tezligini 81 marta oshirish uchun temperaturani necha gradusga ko‘tarish kerak?
A) 40 B) 30 C) 20 D) 25 E) 50
00-9son-21.
125. Reaksiya tezligining temperatura koeffitsienti 2 ga teng bo‘lsa, reaksiya tezligini 128 marta oshirish temperaturani necha gradusga ko‘tarish lozim?
A) A) 60 B) 20 C) 70 D) 50 E) 30
01-6son-8.
126. 20⁰C da ikkita reaksiyaning tezligi bir xil bo‘lib, ularning biri uchun temperatura koeffitsienti 2 ga, ikkinchisi uchun esa 3 ga teng. Qanday temperaturada ularning tezliklari besh marta farq qiladi?
A) 20 B) 30 C) 40 D) 50 E) 60
01-9son-31.
127. Temperatura koeffitsienti 2 ga teng bo‘lgan reaksiya tezligini 100 marta oshirish uchun temperaturani necha gradusga oshirish kerak?
A) 66,40 B) 6,05 C) 7,06 D) 5,53 E) 6,64
03-4son-42.
128. Reaksiya tezligini 90 marta oshirish uchun haroratni necha gradusga oshirish kerak? Reaksiyaning temperatura koeffitsienti 2,7 ga teng.
A) 30,6 B) 36,3 C) 45,3 D) 48,6 E) 51,0
03-5son-38.
129. Biror kimyoviy reaksiyaning 100⁰C dagi tezligi ikkinchi reaksiya tezligidan 2 marta katta. Birinchi reaksiyaning temperatura koeffitsienti 2 ga, ikkinchisiniki 4 ga teng bo‘lsa, qanday temperaturada ikkala reaksiyalarning tezliklari tenglashadi?
A) 110 B) 115 C) 120 D) 150 E) 175
02-7son-55.
130. Reaksiyaning temperatura koeffitsienti 4 ga teng bo‘lganda reaksiyaning tezligini 256 marta oshirish uchun temperaturani 50⁰C dan necha gradusga ko‘tarish kerak?
A) 60⁰C B) 70⁰C C) 80⁰C D) 90⁰C E) 100⁰C