Which of the following statements correctly describe a chemical system at equilibrium? Select all that apply. Multiple select question. The reactants are completely used up. There is no longer a change in concentration of reactants and products over time. The forward and reverse reactions occur at equal rates. Reactants are no longer reacting to form products. The concentrations of reactants and products are equal.

What are transitions between a liquid and a solid called? identify which way they are transitioning

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5

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