Production of carbon dioxide from reaction of citric acid and baking soda ...

Now, add a spoonful of baking soda inside the balloon. Baking soda is another essential ingredient for this experiment, and ...

Energy Dome uses carbon dioxide held in a huge balloon, the “dome” in the company’s name, as a kind of battery. During the day, electricity from the local grid, some produced by nearby ...

Inside the hall, Mr Chan points out two enormous balloons overhead, which together hold a single tonne of CO2. That captured CO2 is then mixed with fresh water, in an adjacent tower.