A student reports three trials to determine the density of an article and records the data as shown in table below. The accepted value of density is 2.55 g/mL. Is the data precise? Trial Student Data (density in g/mL)

1. 2.54
2. 2.56
3. 2.57

Chlorine and water react to form hydrogen chloride and oxygen, like this: 2cl2 (g) + 2h2o (g) → 4hcl (g) + o2 (g) also, a chemist finds that at a certain temperature the equilibrium mixture of chlorine, water, hydrogen chloride, and oxygen has the following composition: compound concentration at equilibrium cl2 0.55m h2o 0.57m hcl 0.53m o2 0.34m calculate the value of the equilibrium constant kc for this reaction. round your answer to 2 significant digits.