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Some of the waves energy is always being dissipated as heat which will reduce the waves a. amplitude b. frequency c. speed d. wavelengtg
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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.
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Chemistry, 23.06.2019 11:50
Achemist needs to prepare a buffer solution of ph 8.80. what molarity of nh3 (pkb = 4.75) is required to produce the buffer solution if the (nh4)2so4 in the solution is 1.8 m?
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Chemistry, 23.06.2019 13:40
Which of the following volumes is the smallest? a) one microliter b)one deciliter d)one liter c)one milliliter
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Some of the waves energy is always being dissipated as heat which will reduce the waves a. amplitud...
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