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Ilya [14]
3 years ago
14

Need help with this!!!!

Mathematics
2 answers:
antoniya [11.8K]3 years ago
6 0

Answer:

Cuatro es la respuesta también conocida como d

adoni [48]3 years ago
5 0

Answer:

Step-by-step explanation:

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Calculate the amount of hcn that gives the lethal dose in a small laboratory room measuring 12.0 ft×15.0 ft×8.50ft.
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Dimensions of the room in cm = 2.54 x 12 by 15 x 2.54 by 2.54 x 8.5 = 30.48 by 38.1 by 21.59

Volume of the room in cubic cm = 30.48 x 38.1 x 21.59 cubic cm = 25,072.21 cubic cm

Given that the density of air at room temperature is 0.00118g/cm^3, thus the mass of air in the room = 25,072.21 x 0.00118 = 29.59 g = 0.0296 kg

Given that the lethal dose of HCN is approximately 300 mg HCN per kilogram of air when inhaled, thus the <span>amount of HCN that gives the lethal dose in the small laboratory room is given by 300 x 0.0296 = 8.88 mg.</span>
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3 years ago
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Step-by-step explanation:

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exis [7]

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Step-by-step explanation:

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qwelly [4]

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