The temperature of a piece of metal with a mass of 27.5g changes from 25.0 °C to 35.0°C when the metal absorbs 350.0 J of energy. What is the specific heat of the metal?

Areaction in which products can react to re-form reactants is

Which statement would indicate the presence of an acid

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.