Asked by Joy

The solubility of a gas at 7.0 atm of pressure is 0.52 g/L . How many grams of the gas would be disolved per 1.0 L if the pressure increased 40 percent?
Answered by DrBob222
Didn't Devron work this problem for you earlier? I think so.
Answered by China
According to the following reaction and molar enthalpies of formation


SiO2(s)
+ 4HF(aq)
®
SiF4(g)
+ 2H2O
(kJ/mol)
-910.9
-320.8

-1615
-285.8
The heat released (-) or absorbed (+) in the reaction of 25.3 grams of SiO2 (quartz) with excess hydrofluoric acid will be kJ.
Answered by China
The heat released (-) or absorbed (+) in the reaction of 25.3 grams of SiO2 (quartz) with excess hydrochloric acid will be what in KJ?
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