Chemistry, 14.11.2019 22:31 avastanleyy
A255 ml round--bonom flask is weighed and found to have a mass of 114.85 g. a few millimeters of an easily vaporized liquid are added to the flask and the flask is immersed in a boiling water bath. all of the liquid vaporizes at the boiling tempentture of water, filling the flask with vapor. when all of the liquid has vaporized, the flask is removed from the bath, cooled, dried, and reweighed. the new mass of the flask and the condensed vapor is 115.23 g. which of the following compounds could the liquid be?
a. c₄h₁₀b. c₃h₇ohc. c₂h₆d. c₂h₅ohe. c₄h₉oh
Answers: 1
Chemistry, 21.06.2019 20:30
Pbco3 –> pbo+ co2. how many liters of carbon dioxide gas is produced from the decomposition of 32 grams of lead (ll) carbonate?
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Chemistry, 21.06.2019 22:00
Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.
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Chemistry, 22.06.2019 14:00
Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules
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Chemistry, 22.06.2019 14:30
Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous
Answers: 1
A255 ml round--bonom flask is weighed and found to have a mass of 114.85 g. a few millimeters of an...
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