The decomposition of hydrogen peroxide is catalyzed by iodide ion. The catalyzed reaction is thought to proceed by a two-step mechanism:H2O2(aq)+I?(aq)?H2O(l)+IO ?(aq)(slow)IO?(aq)+H2O2(aq)?H2O(l)+ O2(g)+I?(aq)(fast)A)Write the chemical equation for the overall process. Express your answer as a chemical equation. Identify all of the phases in your answer. B)Identify the intermediate, if any, in the mechanism. Express your answers as a chemical expression. If there is more than one answer, separate them by a comma. C)Assuming that the first step of the mechanism is rate determining, predict the rate law for the overall process. Use a for [H2O2], b for [I?], c for [IO?], d for [H2O] and k for the rate constant.

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In the question "in a solution of brine  (salt water), what is the  salt? " the correct answer is a solute. a solute is a component of a  solution  dissolved in the solvent.

Starsstars are giant balls of hot gases that can produce their own light. stars give out energy by converting hydrogen gas into helium in their cores. stars are gigantic in size and have immense gravitational attraction. the sun is a medium sized star that gives us energy and makes life on earth possible.planetsplanets are large (almost) spherical objects that revolve around the sun. planets move in fixed orbits around the sun. there are 8 planets in our solar system. planets may be made of rocks, metals, gases like hydrogen, nitrogen and methane. the earth is also a planet and is the only place in the universe that we know that supports life. planets that revolve around other stars are called exoplanets.satellitessatellites are objects that revolve around planets. they form the essential part of the celestial bodies. these may be of natural origin or sent by humans. the moon is a natural satellite of the earth and revolves around it because it is bound by the earth’s gravitational pull. man also has placed artificial or man-made satellites around the earth and other planets to study them and for communication purposes.i think this is correct not 100%