Answers: 1
Chemistry, 22.06.2019 14:00
In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2
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Chemistry, 22.06.2019 14:30
The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as
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Chemistry, 22.06.2019 17:10
)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 Ā°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 Ā°c.
Answers: 1
Chemistry, 22.06.2019 19:30
Phosphorous can form an ion called phosphide, which has the formula p3ā. this ion can form an ion called phosphide, which has the formula p3ā. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons
Answers: 2
Elements in the same group have similar properties because they have the same number of ?...
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