Get a 500 cm beaker and Label it control Measure 15 grams of baking soda Put the baking soda in the beaker Cover the top of the beaker with cling film You will need to place the covers on the containers immediately following the addition of the liquid. If you are using plastic wrap, practice sealing the opening with the rubber band before adding the liquid. To do this, place the plastic wrap over the opening and secure it with a rubber band around the mouth of container. Using a clamp stand, boss and clamp set up the temperature probe so that it is at least 5 cm from the bottom of the beaker. See picture. (You will be adding liquid to the container and you want to measure the atmosphere temperatures inside the container, not the liquid temperature) Prepare 30 ml of (dont pour into the container yet) Get a 500 cm beaker and Label it CO Measure 15 grams of baking soda Put the baking soda in the beaker Cover the top of the beaker with cling film You will need to place the covers on the containers im
mediately following the addition of the liquid. If you are using plastic wrap, practice sealing the opening with the rubber band before adding the liquid. To do this, place the plastic wrap over the opening and secure it with a rubber band around the mouth of container. Using a clamp stand, boss and clamp set up the temperature probe so that it is held at least 5 cm from the bottom of the beaker. See picture. (You will be adding liquid to the container and you want to measure the atmosphere temperatures inside the container, not the liquid temperature) Prepare 30 ml of (dont pour into the container yet) ; Pour 30 ml of water into the container labelled control. Pour 30 ml of vinegar into the container labelled CO2. Place the cover on the container labelled control. Place the cover on the container labelled CO2. Seal all the containers. Be sure the seals are tight. Swirl both containers for 5 seconds. Then place directly underneath the lamp. 25 centimetres from the lamp. DO NOT TURN THE LAMP ON.