Chemistry, 16.04.2020 03:53 lberries08
A mixture of nonpolar compounds is separated by hplc using an octyl (–(ch2)7ch3) stationary phase covalently bonded to the silica support. how would the retention times of the compounds change if the solvent composition was changed from 55 vol% acetone and 45 vol% water to 85 vol% acetone and 15 vol% water?
Answers: 3
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At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k
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What is the subscript for oxygen in its molecular formula
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What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?
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Chemistry, 23.06.2019 04:20
The reaction below shows a system in equilibrium. how would a decrease in temperature affect this reaction? a. the rate of formation of the gases would increase. b. the equilibrium of the reaction would shift to the left. c. the equilibrium would shift to cause the gases to sublime into solids. d. the chemicals on the left would quickly form the chemical on the right.
Answers: 1
A mixture of nonpolar compounds is separated by hplc using an octyl (–(ch2)7ch3) stationary phase co...
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