How many grams of aspirin are needed to generate osmotic
The nonvolatile, nonelectrolyte solute aspirin, C9H8O4 (180.10g/mol), is soluble in diethyl ether CH3CH2OCH2CH3. How many grams of aspirin are needed to generate osmotic pressure of 6.70atm when dissolved in 223mL of diethyl ether solution at 298K.
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The mole fraction of magnessium chloride, MgCl2 in aqueous solution is 7.55x10^-2. What is the percent by mass of magnessium chloride in the solution?
Nitrogen has a Henry's law constant of 8.42x10^-7 M/mmHg at 25degreesC when dissolving in water. If the total pressure of gas (N2 gas plus water vapor) over water is 1.0atm, what is the concentration of N2 in the water in grams per mL?
Determine the pressure exerted on a diver at 30 m below the free surface of the sea. Assume a barometric pressure of 101 kPa and a specific gravity of 1.03 for seawater.
A uniform electric field of magnitude 450 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.10 cm. (a) What is the work done by the field on the electron?
The nonvolatile, nonelectrolyte solute aspirin, C9H8O4 (180.10g/mol), is soluble in diethyl ether CH3CH2OCH2CH3. How many grams of aspirin are needed to generate osmotic pressure of 6.70atm when dissolved in 223mL of diethyl ether solution at 298K
Determine (a) the final pressure, (b) the change in volume of the cylinder, and (c) the change in the enthalpy of the refrigerant-134a.
Rotating Fan A rotating fan completes 1200 revolutions every minute. Consider a point on the tip of a blade, at a radius of 0.16 m. aWhat is the magnitude of acceleration??
Give your answer as an ordered set of numbers alpha, beta, gamma, ... Use the least possible integers for the coefficients. What is Delta H for the reaction represented by this equation?
A jetliner is moving at a speed of 210 m/s. The vertical component of the plane's velocity is 45.1 m/s. Determine the magnitude of the horizontal component of the plane's velocity.
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