Determine the molality of the solution and the molar mass
A solution of .85g of a unknown organic compound in 100g ofbenzene has a freezing point of -5.16C. What is the molality of the solution and the molar mass of the solute?
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The refrigerant enters the compressor at 500 kPa as a saturated vapour at a rate of 100 L/min and leaves at 1.2 MPa and 50°C. Calculate (a) the actual COP; and (b) the maximum COP.
Two equal point charges each of magnitude 2.00 x 10^-6 C are located on the x axis, one at x= 1.00m, the other at x= -1.00m. a) Determine the electric field on the y axis at y= 0.500 m.
What is a point estimate of the difference between mean annual consumption in Webster City and the national mean? At a=.05, test for a significant difference. What is your conclusion?
Gaseous H2Te is made with Te-132. When the tellurium isotope decays, the H2Te producesH2 and the ultimate decay product of Te-132. Write a balanced equation for the formation of stable products fromH2 and Te-132.
As soon as the pressure in the bottle reached 100kPa the valve is closed. What is the temperature of the air that is in the bottle at the end of this filling process?
Would it be possible to use non-metals and their ions to construct one or more of the electrodes or would some modification be required in the experimental stage?
Show the sampling distribution of the mean amount of health care expenditures for a sample of 100 people. Round your answer to nearest whole value.
Determine the pressure at the bottom of the tank and the height of the liquid column that will rise in the vetical tube.
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