What is the mole fraction of naocl in the bleach
Household bleach is a 5 mass % aqueous soln. of sodium hypochlorite(NaOCl). What is the molality of the bleach. What is the mole fraction of NaOCl in the bleach.
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Epsom salts are hydrates of magnesium sulfate. The formula for Epsom salts is MgSO4 . xH2O. A 7.834g sample is heated until a constant mass of 3.825g is obtained, indicating that all the water has been evaporated off.
The room air temperature is 24 oC, the wall surface temperature is 18.5 oC, and the heat transfer coefficient is 0.662 W-m-2-K-1. What is the total rate of heat loss? (in W)
The liquid-drop model of the nucleus suggests that high-energy oscillations of certain nuclei can split ("fission") a large nucleus into two unequal fragments plus a few neutrons.
The flood was carried out at 0.05 mL/min with brine viscosity of 0.443 cP. Determine the absolute permeability of this plug in millidarcies.
Raul has designed a research study in which subjects come to his lab and practice extension of the knee to a target angle with and without vibration. He is interested in determining whether vibration increases or decreases learning effects. What t
Assuming the origin is placed where the bullet begins to move, the force exerted on the bullet by the expanding gas is F = a + b x - c x^2, where a = 7800 N, b = 10400 N/m, c = 22200 N/m^2, with x in meters. Determine the work done by the gas on t
A flat copper ribbon 0.330 mm thick carries a steady current of 50.0 A and is located in a uniform 1.30-T magnetic field directed perpendicular to the plane of the ribbon. If a Hall voltage of 9.60 +V is measured across the ribbon, what is the cha
The coefficient of static friction between his hands and the book is 0.42. To keep the book from falling, what is the magnitude of the minimum pressing force that each hand must exert?
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