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Naphthalene sublimation rate=3*10^-5/min. Volume of room=60m^3. How would I calculate the naphthalene concentration in the air of the room? If I save 300 dollars every 2 weeks for 6months how much will I have? ~ x + y + z = 3, x² + y² + z² = 5, x³ + y³ + z³ = 7 ➪ x⁴ + y⁴ + z⁴ = ? Is it true that the oxidation number of an ion is equal to its protons subtracting its electrons? Why anti Rh antibodies destroy foetal lamphocytes and dot effect mother s lamphocytes?