The of hypochlorous acid is 7.530 . a 57.0 ml solution of 0.104 m sodium hypochlorite ( naocl ) is titrated with 0.276 m hcl . calculate the ph of the solution after the addition of 8.23 ml of 0.276 m hcl . ph= calculate the ph of the solution after the addition of 22.6 ml of 0.276 m hcl . ph= calculate the ph of the solution at the equivalence point with 0.276 m hcl .

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.

How many distinct monochlorinated products, including stereoisomers, can result when the alkane below is heated in the presence of cl2? 3 4 5 6 7?

An uncovered pot of water lies out in the sun. which statements correctly describe what happens at the surface of the liquid water? 1. the vapor pressure remains constant regardless of the water temperature. 2. the vapor pressure is produced by water molecules that have evaporated. 3. the vapor pressure increases as the sun heats the water in the pot. 4. evaporation stops once the vapor pressure reaches a certain point. 5. evaporation and condensation both occur on the liquid’s surface.