Which atomic orbital corresponds to this set of quantum numbers in a ground state atom of boron?                         (2, 1, –1, ½)

Between HI and HF, which has the higher boiling point, and why?

For the galvanic cell at 298 K: Zn(s) + 2In2+(aq) → Zn2+(aq) + 2In+(aq)   Eocell = 0.36 V What is the equilibrium constant, K?  

For the synthesis of nitrogen dioxide, NO2: 2N2(g) + O2(g) → 2NO2(g) If this reaction has the energy diagram shown below, what is the spontaneity of the reaction?  

What is the geometry around the central atom in the following molecular model of CCl4?

If a 1.0 L flask is filled with 0.22 mol of N2 and 0.22 mol of O2 at 2000°C, what is after the reaction establishes equilibrium? Kc = 0.10 at 2000°C N2(g) + O2(g) ⇌ 2NO(g)

Consider the reaction potential energy diagram. What describes the uncatalyzed reverse reaction pathway?

Which substance would have the smallest standard molar entropy?

What are two definitions of a base in an aqueous solution?

Which microscopic representation best represents a homogeneous mixture?