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Calculate the concentration of all ions present in each of the following solutions of strong electrolytes. a. 0.100 mol of Ca(NO3)2 in 100.0 mL of solution b. 2.5 mol of Na2SO4 in 1.25 L of solution c. 5.00 g of NH4Cl in 500.0 mL of solution d. 1.00 g K3PO4 in 250.0 mL of solution Explain why certain compounds have a larger ion content in solution as to others.
1 mol of liquid hexane at 10 bar, 25 °C, is mixed adiabatically and under constant pressure with hexane vapor at 180 °C. Determine the moles of the vapor that must be mixed with the liquid in order to produce a final state that consists of a vapor..
Is this level of resolution sufficient for finding the entrance to a building? Can dead reckoning and inertial guidance help when GPS signals are lost?
Plant attainment 95 per cent.Estimate the capital investment required for this project, and the annual operating cost;date mid-2004.
Give you four samples and tell you they are lysine (an amino acid), lactose (a disaccharide), insulin ( a protein hormone), and RNA. The sample are in test tubes marked 1,2,3 and 4, but you don't know which compound is in which tube. you need to iden..
1. hydrochloric acid solution with a specific gravity = 1.12. stated that the concentration of hydrochloric acida. molarityb. % By weight per volume
compare the compound amount accumulated at the end of 10 years
A preliminary (Class 4) estimate of the ISBL capital cost of building a 200,000 ton per year ethanol plant by corn dry milling has been stated as $130 MM -30%/+50%.
the path followed by a fixed amount of a perfect gas during a reversible process is described by the following
(a) Describe the provisions of Occupational Safety and Health Act 2005 with regard to ‘Substances hazardous to health' (b) Describe four types of hazard which arise from the use of chemicals
What is the optimum practical shape for an above-ground dwelling to minimize the heat losses through the building fabric? When is (or was) this optimum shape used? Why is this optimum shape seldom used in richer societies?
Problem Statement: Derive the equation for S* for competitive product inhibiton. Definition of variables:
In general, when is a Fabry-Perot interferometer preferred over a standard Michelson interferometer? Can you make a Fabry-Perot interferometer that performs worse than a Michelson interferometer? Explain.
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