Answer Happy

As you look around the room, you realize it is set up as a laboratory. You have all the usual laboratory glassware and equipment, plus a few extra things that seem out of place, such as water bottles and balloons. "Those must be there for a reason," you think. You notice that the substances available to work with are: 0 o baking soda o borax o calcium chloride o copper wire o hydrochloric acid o hydrogen peroxide o magnesium o magnesium sulfate o silver nitrate o sodium carbonate o sodium chloride o sodium hydroxide o strontium chloride o vinegar o yeast Safety • Always wear safety goggles when handling chemicals in the lab. • Gloves are available for handling chemicals. • Wash your hands thoroughly before leaving the lab. • Follow the teacher's instructions for cleanup of materials and disposal of chemicals. Problem 1: Light the light On the wall, you will find a taplight. You need to turn on the taplight, but you cannot touch it. You will see an outline of tape on the floor, marking 5 feet around the light-this cannot be stepped on. You must turn on the taplight using a chemical reaction. 1. Write a balanced chemical equation for the reaction you used. 2. What SPECIFIC information would you need to calculate the numeric value of the work involved in this process?
3. What is the sign of work for this process? Justify your answer. 4. What is the sign of AH, AS and AG for the reaction you used? Justify your answer in each case. 5. Write a procedure that could be followed by someone with your level of chemical knowledge to reproduce your results.