Chemistry, 19.01.2021 21:30 jazminemendezhidalgo
A 20.0–milliliter sample of 0.200–molar K2CO3 soÂlution is added to 30.0 milliliters of 0.400–moÂlar Ba(NO3)2 solution. Barium carbonate precipiÂtates. The concentration of barium ion, Ba2+, in solution after reaction is
Answers: 1
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The small bags of silica gel you often see in a new shoe box are placed there to control humidity. despite its name, silica gel is a solid. it is a chemically inert, highly porous, amorphous form of sio2. because water vapor readily adsorbs onto the surface of silica gel, it acts as a desiccant. despite not knowing mechanistic details of the adsorption of water onto silica gel, from the information provided you should be able to make an educated guess about the thermodynamic characteristics of the process. predict the signs for δg, δh, and δs for the adsorption of water.
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You dissolve 8.65 grams of lead(l) nitrate in water and then you add 2 50 grams of aluminum. this reaction occurs 2ai(s)+ 3pb(no3)2(aq) -3pb(s)+ 2aino3la(aq) the theoretical yield of solid lead?
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Chemistry, 23.06.2019 15:00
How much more basic is a solution with ph 8 than a solution with ph 7
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A 20.0–milliliter sample of 0.200–molar K2CO3 soÂlution is added to 30.0 milliliters of 0.400â€...
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