#1: in an icy glass of lemonade, which of the following is the solvent?
a. lemon juice...
Answers: 1
Chemistry, 22.06.2019 20:00
Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
Chemistry, 22.06.2019 21:00
Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon
Answers: 1
Chemistry, 22.06.2019 23:30
What are the similarities between compounds and mixtures?
Answers: 3
History, 28.09.2019 05:30
English, 28.09.2019 05:30
Chemistry, 28.09.2019 05:30
Biology, 28.09.2019 05:30
Mathematics, 28.09.2019 05:30
English, 28.09.2019 05:30
Mathematics, 28.09.2019 05:30
Mathematics, 28.09.2019 05:30