Estimate the mass of ozone inhaled into the lungs
Estimate the mass of ozone inhaled into the lungs by a moderately exercising individual over an eight hour period at a concentration equal to 0.080 ppm. Assume a lung volume equal to 1.0 L, and a respiration rate equal to 30 min^-1.
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Two identical point charges of q = +1.25 x 10-8 C are separated by a distance of 0.90 m. What is the minimum amount of work required by an external force to move them closer together so that they are only 0.65 m apart?
Estimate the average electrical drift velocity in cm/s for a flat plate ESP with a total collector area equal to 10,000 m^2, and a flow rate of 500,000 m^3/h.
A proposed automobile battery involves the reaction of Zn(s) andCl2(g) to give ZnCl2. If you want such a battery to operate for 12hours and deliver 1.5 A of current, what is the minimum mass of Zinc that the anode must contain?
It takes the elevator in a skyscraper 4.0 to reach its cruising speed of 10 . A 60 passenger gets aboard on the ground floor. a) What is the passenger's apparent weight before the elevator starts moving?
Estimate the mass of ozone inhaled into the lungs by a moderately exercising individual over an eight hour period at a concentration equal to 0.080 ppm.
Batteries are listed by their "cranking power", which is the amountof current that the battery can produce for 30 seconds. A typicalvalue is 450 A. How many coulombs flow through the battery in exactly 30 seconds?
How much energy is needed to convert 180 grams of ice at -10ºC to liquid water at 10 ºC? (The molar heat capacity ofliquid water is 75.4 J/mol ºC; the molar heat capacity of iceis 40.2 J/mol ºC.
A charge of 2.73 µC is held fixed at the origin. A second charge of 2.73 µC is released from rest at the position (1.15 m, 0.570 m) . If the mass of the second charge is 3.50 g, what is its speed when it moves infinitely far from the o
If the above aerosol flows through the device, calculate the overall number collection efficiency, and the overall mass collection efficiency.
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