1.), the duration of the burn until all the alcohol that mixed Carbon black. Use at 3.44 seconds, while the duration of burning of alcohol does not mix the Carbon black. Takes 1.5 seconds.
1) Time to burn until all of the alcohol mixture Carbon black at 3.44 seconds, while the duration of the burn of alcohol do not mix Carbon black takes 1.5 seconds.
1) duration of burning all of alcohol mixed Carbon black take 3.44 seconds. Whilst the period in the combustion of alcohol is not mixed Carbon black take 1.5 seconds.