What is the minimum mass of zinc
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 ofZinc that the anode must contain?
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Calculate the mass concentration, in (micro)g/m3, of a mono-dispersed aerosol with dp = 10.0 micron, (rho)p = 2.1 g cm^-3, and N = 9.55 cm^-3.
On a smoggy day in a certain city the ozone concentration was0.50 ppm by volume. Calculate the partial pressure of ozone and the number of ozone molecules per liter ofair if the temperature and pressure were 20.0°C and738 mmHg, respectively.
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.
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