Blog

What are the coefficients for the chemical equation below, once balanced?  ___ CH3CH2CH2OH(l) + ___O2(g) → ___CO2(g) + ___H2O(l)

Oxygen and ozone are allowed to come to equilibrium in the exothermic reaction: 2O3(g) ⇌ 3O2(g) Which change will decrease the numerical value of the equilibrium constant, K?

Which molecular compound could be dinitrogen monoxide?

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 [NO] after the reaction establishes equilibrium? Kc = 0.10 at 2000°C N2(g) + O2(g) ⇌ 2NO(g)

For the galvanic cell: Zn(s) + 2Tl+(aq) → 2Tl(s) + Zn2+(aq)   Eocell = 0.42 V If the standard reduction potential for: Zn2+(aq) + 2e– → Zn(s)   Eored = –0.76 V What is the standard reduction potential for: Tl+(aq) + e– → Tl(s)   Eored = ? V

Which element is represented by ?