Which of the following answers properly show the math for converting 50 ° F into Celcius? Question 7 options:

(50 - 32) x (5/9)

(50 x 9/5) + 32

(50 - 32) x (9/5)

(50 x 5/9) + 32

50 - 273.15

50 + 273.15

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.