Answer to Question #100529 in General Chemistry for Leslie

Question

A propane tank for a barbecue weighs 15 kilograms before the party. The barbecue uses 2.2 kilograms every 15 minutes. You weighed the empty tank at the end of the day and it weighed 2 kilograms, what effect does that information have on your estimate above?

Answer 1

1. Mass of propane 15-2=13kg;
2. 13/2.2=5.9;
3. 5.9*15=88.5min is the duration of the party.