A chef in a restaurant is cooking 2 different desserts in the kitchen. He removes an apple pie and some chocolate chip cookies at the same time. The smell of cookies reaches you a minute before you smell the pie. What might cause the odor particles to reach you at different times?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

What information does a complete ionic equation give that the balanced equation doesn’t show?

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.