How many moles of ions are produced per mole
A 0.0100 g sample of Co(NH2CH2CH2NH2)3Cl3 is dissolved in 25.0 mL of water and the osmotic pressure of the solution is 87.9 mmHg at 25 degrees Celsius. How many moles of ions are produced per mole of compound?
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A fair 6-sided die is rolled, the number showing is a random variable X with E(X) = 3.5 and SD(X) = sqrt(35/12). The expected value, and standard deviation, sigma, of the sum of three 12 independent rolls of such a die are?
A 3. 00kg block starts from a rest at the top of a 34.5 degree incline and slides 2.00 m down the inclinein 1.20 s, what is the accelartion of the block.
It is surrounded by a concentric metal (conducting) spherical shell of inner radius r1 and outer radius r2, which carries net charge +Q. Determine the resulting electric field in the regions (a) 0< r < r0 (b) r0< r < r1 (c) r1< r &l
What is the best point estimate of the population mean net changes in LDL cholesterol after the garlic treatment? Construct a 95% confidence interval estimate of the mean net change in LDL cholesterol after the garlic treatment. What does the conf
Assume that the lead piston is in thermal equilibrium with the water throughout the process. What is the final Temperature? Show all work.
A person of a Haz Mat team will be working for 1.5 hr while breathing oxygen from a pressurized tank. While working, they will be burning energy at a rate of Cal/hr. The tank stores the gas at 20 MPa. What minimum volume of pressurized oxygen need
A piston-cylinder arrangement initially contains water at P=300 psi and T=500 F. Find the work per pound of water during the expansion.
If they are to maintain the same energy expenditure rate, how much faster do they now have to breathe?
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