Ch ChemAI

All experiments › Reaction rates

Concentration and rate

Marble in concentrated and diluted acid.

Topic: Reaction ratesGrade: 9Free

🧪 Start the experiment — free

Runs in the browser on phones, tablets and computers. No sign-up needed. For teachers: assign any experiment to a class, see results and calculations.

What you do

  1. Add marble chips to tube 1.
  2. Add marble chips to tube 2. Which measuring tube fills with CO₂ faster?
  3. Bonus: heat tube 2. What happens to the rate?

More experiments on this topic

The disappearing crossHow does concentration change the time for sulfur to hide the X?A catalyst at workManganese(IV) oxide and hydrogen peroxide.Elephant toothpasteA catalyst, hydrogen peroxide and a little detergent: a fountain of foam.The iodine clockA colourless mixture that turns blue-black at a moment you can predict.Measuring rate with a gas syringeCollect the carbon dioxide and plot volume against time.Equilibrium: pink and blue cobaltShift an equilibrium with concentration and temperature (Le Chatelier).