1. How many trees are required to offset the carbon dioxide emissions from an individual who drives 15000 miles every year at a fuel efficiency of 30mpg? Average tree removes 610 kg of CO2 every year, formula for gas is C8H18 with density of .73 mL Only products of combustion are CO2 and H2O.
2. New carpet is installed in the bedroom of a house is 15 feet by 12 feet by 10 feet. if the carpet emits formaldehyde gas at a rate of 4.3 x 10-6 mol/hour. How many hours will it take to exceed .10 ppm by volume?
3. How many kg of water must be processed to obtain 1.1 L of D2 at 25 degrees and .900 atm. D2 abundance is .015 and recovery is 80%
4. A 375 gallon tank is filled with water containing 168 g of bromine to form Br- ions. how many liters of CL2 gas at 1 atm and 20 degrees C will be rwquired to oxidize all the bromide to molecular bromine?