What happens to the acidity of solutions a and b after
dry ice is added?
acidity changes after dry ice is added
timesec)
pm of solution ph of solution
the ph of solution a decreases, and the ph of
solution b increases.
8.5
the ph of solution a increases, and the ph of
solution b decreases.
the ph of solution a increases, and the ph of
solution b increases
8.0
102
72
the ph of solution a decreases, and the ph of
solution b decreases
9.6
6.5
90

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297