What can be said about the polarity of water? a. it causes water molecules to be attracted to other water molecules. b. it prevents hydrogen bonds from forming between water molecules. c. it's the result of a slightly negative charge on the hydrogen end of water. d. it's the result of a slightly positive charge on the oxygen end of water.

How have the greenhouse gasses increased from the year 2000 to 2018

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

Lab reagent, hypothesis test.a reference solution used as a lab reagent is purported to have a concentration of 5 mg/dl. six samples are taken from this solution and the following concentrations are recorded: (5.32, 4.88, 5.10, 4.73, 5.15, 4.75) mg/dl.these six measurements are assumed to be an srs of all possible measurements from solution.they are also assumed to have a standard deviation of 0.2, a normal distributin, and a mean concentration equal to the true concentration of the solution.carry out a significance test to determine whether these six measurements provide reliable evidence that the true concentration of the solution is actually not 5 mg/dl.