A reaction between 60.53 mL of calcium nitrate and excess potassium hydroxide produces 2.35 g of precipitate. Calculate the concentration of calcium nitrate that reacted. a. Write the net ionic equation for the reaction described above. Identify the precipitate. b. Determine the concentration of the calcium nitrate solution.

How much energy moves onto the next level, in an energy pyramid

What is the value of keq for the reaction expressed in scientific notation

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.