Chemistry, 20.09.2020 19:01 DakotaOliver
A 3.43-gram silicon dioxide sample reacted with 2.17 grams of solid carbon. The products of this reaction were silicon carbide and carbon monoxide gas. According to the law of conservation of mass, what is the combined mass of silicon carbide and carbon monoxide gas that should be formed? A. 5.60 grams B. 3.43 grams C. 2.17 grams D. 0.00 grams
Answers: 3
Chemistry, 22.06.2019 17:10, sophiaa23
)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 °c the vapour pressures of pure benzene and toluene are 9.9 kpa and 2.9 kpa, respectively. the solution is boiled by reducing the external pressure below the vapour pressure. calculate (i) the pressure when boiling begins, (ii) the composition of each component in the vapour, and (iii) the vapour pressure when only a few drops of liquid remain. assume that the rate of vaporization is low enough for the temperature to remain constant at 20 °c.
Answers: 1
Chemistry, 22.06.2019 22:00, shaylasimonds587
The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?
Answers: 2
A 3.43-gram silicon dioxide sample reacted with 2.17 grams of solid carbon. The products of this rea...
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