What is the pCu of the resulting solution if 25.00 mL of 0.40 M EDTA (H4Y) is added to 15.00 mL of 0.25 M CuSO4 and buffered at pH 10? The Kf’ for complex CuY2- is 2.21 x 10^18

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

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.