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Problem- Predict the ideal solubility (in terms of mole fraction) of lead in bismuth at 280 oC given that its melting point is 327 oC and its enthalpy of fusion is 5.2 kJ/mol. At this ideal solubility, what mass of lead dissolves in 1 kg of bismuth?
Illustrate structures to prove your rezoning.
The B4O5(OH)4^2- ion present in 5 ml of a saturated Na2B4O5(OH)4 solution at a measured temperature is titrated to the bromocresol endpoint with 3.25 ml of .291 M HCl.
To a sample of alkaline earth metal carbonate (MCO3; 0.250 g) was added 30.0 mL HCl (0.250 mL). Carbon dioxide gas evolved out from the solution. After the reaction was completed.
How many grams of CO are needed to react with an excess of Fe2O3 to produce 209.7g Fe? Fe2O3(s) + 3CO(g) -> 3CO2(g) + 2Fe(s)
There are no results for a heat engine cycle is executed with steam in the saturation dome between the pressure limits of 7 and 2 MPa. If heat is supplied to the heat engine at a rate of 150 kJ/s, calculate the maximum power output of this engine ..
If A compound has a molar mass of 72.106 g. A 2.239 g sample of this compound was burned in pure oxygen gas and the measured amount of CO2 produced was 5.466 g and that ofH2O was 2.238 g. No other products were produced in the reaction. Explain ho..
A 3340 g solution of HO(CH2)2OH and water contains 0.362 L of ethylene glycol. Calculate the mole fraction of HO(CH2)2OH in the solution.
In a second 50.00mL aliquot, the ClO4- was reduced to Cl- with V2(SO4)3. Titration of the reduced sample required 40.12mL of the AgNO3 solution. Calculate the %KCl and %KClO4 in the sample
Which of the isomers of octane has only two peaks in its 13C NMR? Draw the structure of the alkane. 2. Draw the structure of the C4H9Cl isomer given the following proton NMR data:
in recent years there has been considerable interest in developing flat-plate solar collectors for home heating needs.
The flask was then shaken until the solution was uniform. A 45.0- sample of this glucose solution was diluted to 0.500 . How many grams of glucose are in 100. of the final solution?
Calculate the most probable distance from the nucleus for a 1s electron in a hydrogen atom.
In an TLC experiment with paprika, which red spot is capsanthing and which is capsorbin? Is it the one that travels the farthest or least? How can You tell?
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