Given the diagram representing a closed system at constant temperature: Which statement describes this system at equilibrium? 1. The mass of H 2 O( ) equals the mass of H 2 O (g). 2. The volume of H 2 O ( ) equals the volume of H 2 O (g). 3. The number of moles of H2 O ( ) equals the number of moles of H2 O (g). 4. The rate of evaporation of H2 O ( ) equals the rate of condensation of H2 O (g).

Theoretically, which metal should be the most reactive? hydrogen lithium francium fluorine

Write the overall equation for the reaction for lithium battery

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant