serotonin, composed of c, h, n, and o, facilitates neuronal communication. the molar mass of serotonin is 176.00 g/mol. by combustion of a 5.31 g sample, serotonin was found to contain 13.3 g carbon dioxide, 3.24 g water. separate analysis shows it to be 15.9% nitrogen. determine the empirical and molecular formulas of serotonin
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Chemistry, 21.06.2019 22:30
Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l
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Chemistry, 22.06.2019 06:30
Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?
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Chemistry, 22.06.2019 08:30
How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same
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serotonin, composed of c, h, n, and o, facilitates neuronal communication. the molar mass of seroton...
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