Chemistry, 07.03.2020 01:23 janeou17xn
You are comparing the results obtained from the analyses of two different pens. You find that each pen has blue ink and that both blue inks have a similar λmax range. However the blue inks have substantially different Rf values. Could these two blue inks be the same substance? Why or why not?
Answers: 2
Chemistry, 21.06.2019 18:30, mimithurmond03
A6.10 m nacl can be made by adding [x]g of nacl to a container and making the volume of water up to the 1.00 l line
Answers: 1
Chemistry, 21.06.2019 23:30, ashleyjaslin
Calculate the expected ph values of the buffer systems from the experiments (a, b,c, d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.
Answers: 2
Chemistry, 22.06.2019 05:30, nuclearfire278
Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease. correct answer for apex - a, its nonpolar end dissolves the grease.
Answers: 1
Chemistry, 22.06.2019 17:30, nijanicole164
A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159
Answers: 2
You are comparing the results obtained from the analyses of two different pens. You find that each p...
Mathematics, 04.03.2020 07:16
Mathematics, 04.03.2020 07:16
Mathematics, 04.03.2020 07:17