A sample of pure carbon dioxide gas has a mass of 110 g. How many moles of CO2 are in the sample?

What is the average rate of the reaction between 10 and 20 s?

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.

What is the volume of 3.2 moles of chlorine gas (cl2) at 295 k and 1.1 atm?