The neutralization reaction of HNO2 and a strong base is based on: HNO2(aq) + OH–(aq) → H2O(l) + NO2–(aq)   K = 4.5×1010 What is the standard change in Gibbs free energy at 25 oC?  

What is the correct order of size (from smallest to largest) of K, K+, Ca, and Ca2+?

What is the total volume of gases produced when 3.0 L of nitrogen trichloride (NCl3) decomposes into chlorine and nitrogen at constant pressure and temperature? 2NCl3(g) → N2(g) + 3Cl2(g)  

What galvanic cell can be constructed to yield the most positive standard cell potential using the materials available in the table? Standard Reduction Potentials Eored / V Cu2+(aq) + 2e– → Cu(s) +0.34 Cr3+(aq) + 3e– → Cr(s) –0.41 Ag+(aq) + e– → Ag(s) +0.80  

The solubility of an unknown salt is shown in the graph. If a solution is unsaturated at 30 oC, what happens when the solution is cooled?

What is the molar solubility of a saturated solution of silver chromate, Ag2CrO4, in water? The Ksp of Ag2CrO4 is 1.1×10–12.

For the reaction of hydrogen H2(g) ⇌ 2H(g)    Kc = 1.1Which reaction mixture(s) would proceed towards the reactants to reestablish equilibrium?                         

What mass (in milligrams) of platinum could be plated on an electrode from the electrolysis of a Pt(NO3)2 solution with a current of 0.500 A for 55.0 s? The molar mass of platinum is 195.1 g/mol.  

For the combustion of CO(g): 2CO(g) + O2(g) → 2CO2(g) If the reaction is spontaneous at 25 oC, what can be concluded about the change in enthalpy of the reaction and the spontaneity?

Andy Warhol used commercial processes to create many of his artworks because _____.