Chemistry, 20.10.2021 20:20 kayolaaaa53
When a 2.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity of 0.854 kJ⋅K−1, the temperature decreases by 0.310 K. Calculate the molar heat of solution of RbBr.
Answers: 3
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When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?
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)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
When a 2.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity o...
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