The molar solubility of silver chromate Ag2CrO4 in pure water is 6.5 x 10-5 M at 25 C. What is its ksp?

Write the correct mathematical expression for the solubility product constant, ksp, of calcium phosphate, Ca3(PO4)2.

The reaction in the previous question is spontaneous.

During the discharge of a galvanic cell, in which direction do the ions contained within the salt bridge migrate?

Hexane, C6H14 (mw=86) has a boiling point of 68º. Ethanol, CH3CH2OH (mw=46) has a boiling point of 78º. Mark the following statement as TRUE or FALSE. Ethanol must have stronger intermolecular attraction, based on its higher boiling point

Calculate the standard cell potential (Ecell) for a galvanic cell running on the following standard reduction potentials: Al3+ (aq)   +   3e-  —}  Al (s)     Eo = -1.66 /V Ni2+ (aq)   +  2e-  —}  Ni (s)     Eo = -0.25 /V

 At standard conditions, I2 is a solid, Br2 is a liquid, and Cl2 is a gas. Why does this phase progression occur?

The Ka for hydrofluoric acid (HF) is 6.8 x 10-4. What is the Kb for its conjugate base, F-?

The decomposition of a certain substance follows first-order kinetics. If the half-life t1/2 of the reaction is 25 seconds, what is the rate constant (k) in s-1?

Consider the reaction:  N2O4 (g) {—}  2 NO (g)  and  ΔH = -45.6 kJ If more NO is removed from the reaction flask at equilibrium, the reaction will shift right towards the products.