Which of the following is the balanced equation for the decomposition of hydrogen peroxide (H2O2) into water and oxygen gas? O A. H2O2 --> 2H + 20
O B. H2O2 --> H2O + O2
O c. 2H2O2 --> H2O + 202
O D. 2H202 --> 2H20 + 02

Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

How is the use of hydroelectric power related to the sun