Chemistry, 18.07.2019 15:10 live4dramaoy0yf9
Achemical reaction was used to separate a sample into its components. what conclusion about the sample can be formed based on the technique used? a. it was a pure substance. b it was a compound. c it was a heterogeneous mixture. d it was a homogeneous mixture
Answers: 1
Chemistry, 21.06.2019 19:00
Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?
Answers: 2
Chemistry, 22.06.2019 00:00
Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.
Answers: 3
Chemistry, 22.06.2019 12:00
What is the subscript for oxygen in its molecular formula
Answers: 1
Achemical reaction was used to separate a sample into its components. what conclusion about the samp...
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