Simulating Hydrogen + Oxygen
Draw Hydrogen and Oxygen Atoms and Molecules
Follow the instructions below to draw atoms and molecules. You can take lots of snapshots. When you are done, select one snapshot and submit it. Your name will not be included with the snapshot. Your teacher will then send around some pictures for discussion. You can see these by clicking the "results" button."





Please select a snapshot of your drawings here.
Hydrogen Simulation Introduction
Why did the hydrogen balloon explode so violently? What happened to the molecules of hydrogen and oxygen inside the balloon?

The chemical reaction equation for the burning of hydrogen:




You will use a simulation to see how hydrogen gas burns at a very, very slow pace. The screenshot below shows the controls. The actual simulation is on the next page.

Play with this 1st model and answer the questions below


Please answer the questions below and submit your answers for anonymous sharing. After you click on a Submit button, you will be able to see some of your classmates' answers by clicking on the Results button after your teacher releases them.













Does this model produce water molecules? Please explain your answer. Describe how the chemical bonds between hydrogen atoms (H) change. Describe how the chemical bonds between oxygen atoms(O) change? Does this reaction follow the law of conservation of matter? Explain why or why not.
Play with the 2nd model and answer the following questions



Please answer the questions below and submit your answers for anonymous sharing. After you click on a Submit button, you will be able to see some of your classmates' answers by clicking on the Results button after your teacher releases them.









Does the simulation generate water molecules by clicking the "Run" button? Please explain your answer. Do the chemical bonds between hydrogen atoms (H) change? Do the chemical bonds between oxygen atoms (O) change? Please explain your answer. Compare the two models you just saw. What conclusion about chemical reactions can you draw? (Hint: Think about the function of the spark button and relate to the candle you saw in the hydrogen balloon video.)