Chemistry, 06.11.2020 06:30 Tyrant4life
1. Calculate the frequency and energy of a light wave with wavelength 30 m.
Answers: 2
Chemistry, 21.06.2019 22:30
Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.
Answers: 2
Chemistry, 22.06.2019 02:50
Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.
Answers: 3
Chemistry, 22.06.2019 18:00
What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; Ī“hvaporization = 3.67 j/mol; Ī“hfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. ā12.4 j ā3.51 x 102 j 1.24 x 101 j 351 j
Answers: 1
Chemistry, 22.06.2019 19:10
Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m
Answers: 1
1. Calculate the frequency and energy of a light wave with wavelength 30 m....
Biology, 31.10.2020 21:10
Mathematics, 31.10.2020 21:10
Biology, 31.10.2020 21:10
Chemistry, 31.10.2020 21:10
Chemistry, 31.10.2020 21:10
Mathematics, 31.10.2020 21:10
Social Studies, 31.10.2020 21:10
Biology, 31.10.2020 21:10
Spanish, 31.10.2020 21:10