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Yesterday, 15:10

The density of air under ordinary conditions at 25°C is 1.19g/L. How many kilograms of air are in a room that measures 11.0ft x 11.0ft and has an 8.00 ft ceiling? 1 in. = 2.54 cm (exactly); 1L = 103cm^3

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  1. Yesterday, 16:51
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    (11) (11) (8) = (968ft^3) ((12in) ^3) / 1ft^3) ((2.54cm) ^3 / (1inch^3)) (1mL/1 cm^3) (1L/1000ml) = 27400L (3 sig figs) * 1.19 = 32600g (1kg/1000g) = 32.6 kg

    I did not use your 103cm^3 because its pretty much useless if you can just relate cm^3=mls plus 1000 is a much nicer number.
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