Calculate for the reaction below at 25.0 °C2 H2O(g) + S(s) ® 2 H2S(g) + O2(g)given = +442.4 kJ and = +206.9 J/K.
Author: Anonymous
The thermochemical equation for the formation of ammonia fro…
The thermochemical equation for the formation of ammonia from elemental nitrogen and hydrogen is as follows.N2(g) + 3 H2(g) D 2 NH3(g) DH = -92.2 kJWhich of the following will drive the equilibrium system to the right?
A gaseous mixture of NO2 and N2O4 is in equilibrium. If the…
A gaseous mixture of NO2 and N2O4 is in equilibrium. If the concentration of N2O4 is 7.1 ´ 10-4 M, what is the concentration of NO2?2 NO2(g) D N2O4(g) Kc = 170
In the following reactionHF(aq) + HPO42-(aq) D F-(aq) + H2PO…
In the following reactionHF(aq) + HPO42-(aq) D F-(aq) + H2PO4-(aq)
Write the overall chemical reaction and calculate E( for the…
Write the overall chemical reaction and calculate E( for the following reduction and oxidation half-reactions.Sn4+(aq) + 2e- ® Sn2+(aq)= +0.154 VAl(s) ® Al3+(aq) + 3e-= +1.68 V
Which of the following ligands is a polydentate ligand?
Which of the following ligands is a polydentate ligand?
Write the expression for Kc for the reaction below.Cu2+(aq)…
Write the expression for Kc for the reaction below.Cu2+(aq) + 4 NH3(aq) D Cu(NH3)42+(aq)
The solubility of silver(I) carbonate is 3.6 ´ 10–2 g/L. Wh…
The solubility of silver(I) carbonate is 3.6 ´ 10–2 g/L. What is the solubility product constant for silver(I) carbonate (Ag2CO3)?
Which of the following statements is true concerning the tit…
Which of the following statements is true concerning the titration of a weak monoprotic acid with a strong base?
What is the definition of molality?
What is the definition of molality?