Which blood alcohol concentration (BAC) test may not be conclusive? When testing for blood alcohol concentration (BAC), the. test may not be conclusive because it may take about two hours for the alcohol to show up in this bodily fluid. So, a negative result does not prove that the individual is not under the influence of alcohol.

edit: found the answer its Urine test

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Bose-einstein condensation occurs at what temperature?

Calculate: select the worksheet tab. this tab you calculate the analyte concentration.  fill in the first set of boxes ("moles h2so4" and "moles naoh") based on the coefficients in the balanced equation. (if there is no coefficient, the value is 1.)  record the appropriate volumes in the "ml naoh" and "ml h2so4" boxes.  record the concentration of the titrant in the m naoh box. click calculate. what is the concentration listed