4. Write the long-hand configuration for Alt.

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.

Give one example of a pure (exact) number and of an estimated (measured) number.