Solutions

IB Physics: Solutions

1. Estimate the number of air molecules in the room drawn below. Density of air =1.3kgm-3 Molar mass air = 29g " Hint: Solution: 2. When 1 molecule of methane gas burns approximately 1.4 x 10-18 J of energy are released. If the molar mass of methane is 16g what mass of methane would be required to do 1J of work? Hint: Solution:


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