Popcorn kernels pop independently (i. e. unimolecularly). For one brand at constant temperature, 12 kernels pop in 5 seconds when 235 kernels are present. After 140 kernels have popped, how many kernels will pop in 5 seconds? (Your answer may include fractions of a kernel).

no of kernels  pop = 4.34

Step-by-step explanation:

given data

kernels pop in 5 second  = 12

kernels are present = 235

solution

we get here kernels are pop at rate of here

kernels are pop at rate = 12  ÷  235  

kernels are pop at rate = 0.051063

and

we get here maximum kernels are remaining that is

maximum kernels remaining = 235 - 140

maximum kernels remaining = 85

so

no of kernels  pop in 5 second will be

no of kernels  pop = 0.051063   × 85

no of kernels  pop = 4.34