Determine the experimental hofffactor of mgso4
The freezing-point depression of a 0.500m MgSO4 solution is 0.265°C. Determine the experimental van't Hofffactor of MgSO4 at this concentration.
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The concentration of commercially available concentrated nitricacid is 70.0 percent by mass, or 15.9 M. Calculate the density of the solution.
A sample of neon occupies 105 liters at 27 degrees C under a pressure of 985 torr. What volume would it occupy at standard conditions?
An RCL series circuit has a 18-ohm resistor, a 0.050-H inductor, and a 1.5x10-4 F capacitor. The generator has an rms voltage of 240 volts. What is the rms current in the circuit when the generator is set to 30.0 Hz?
The marrige rate (marriages per year) in the U.S. has been declining recently, w/ about 2e^-0.038t million marriages per year, where t is the number of years since 2010.
A circular coil of wire with cross-sectional area of 0.033 m2 is exposed to a uniform magnetic field that is perpendicular to the plane of the coil. The magnetic field magnitude decreases from 0.56 T to 0.27 T in 0.016 s, inducing an emf of 24 V i
Calculate ? ( ), the standard error of the proportion of households spending more than $100 per week on groceries (to 4 decimals).
An electric circular saw is designed to reach its final angular speed, starting from rest, in 1.40 s. Its average angular acceleration is 325 rad/s2. Obtain its final angular speed.
A real estate agency collects data concerning y = the sales price of a house (in thousands of dollars), and x = the home size (in hundreds of square feet).
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