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?
3 answers
Didn't Devron work this problem for you earlier? I think so.
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.
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.
The heat released (-) or absorbed (+) in the reaction of 25.3 grams of SiO2 (quartz) with excess hydrochloric acid will be what in KJ?
1 answer