Chemistry, 04.03.2021 01:00 mcelratheriel
Calculate the molar concentration of OH ions in a 0.066 M solution of ethylamine (C2H5NH2: Kb= 6.4 x 10-) Express your answer to two significant figures.
Answers: 3
Chemistry, 21.06.2019 17:10
For which one of the following reactions is the value of δh° rxn equal to δh° f for the product? a. 2 h2 (g) + o2 (g) → 2 h2o (l) b. n2 (g) + o2 (g) → 2 no (g) c. 2 h2 (g) + o2 (g) → 2 h2o (g) d. h2o (l) + 1/2 o2 (g) → h2o2 (l) e. none of the above
Answers: 1
Chemistry, 21.06.2019 22:00
Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.
Answers: 2
Chemistry, 22.06.2019 08:40
What is the value of keq for the reaction expressed in scientific notation?
Answers: 1
Calculate the molar concentration of OH ions in a 0.066 M solution of ethylamine (C2H5NH2: Kb= 6.4 x...
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