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In what forms does iron typically exist when it is commercially mined? What are the chemical processes used to convert iron ore into "pig iron" on a commercial scale?
A 0.30 M solution of sucrose (C12H22O11) at 37oC has approximately the same osmotic pressure as blood. What is the osmotic pressure of blood?
State what substances (if compounds, give their formulas) exist in each region. Label each substance in each region as solid, liquid, or gas.
hexane has a normal boiling point of 68.7 c. what is the mole fraction of a nonvolatile solute in a hexane solution
Which compound must undergo substitution of the bromine by phenolate anion. Depict the structure of the organic product. Comprise the reason behind the reaction as well Is a pyridine meta- or ortho-para
A weather balloon at launch is partially inflated with 3.00 times 10 power 4l of helium at STP. what will be the volume of helium at an altitude of 7km, where the pressure is 0.41atm and the temperature is -20 degrees Celsius?
calculate the flow rate of solution B needed to concetrate 300 ibm/hr of 55% H2SO4 (solution A) and the resulting flow rate of solution C
How many moles of HCl are required to make 15.00 ml of an aqueous 2.500 molar HCl solution
A ground state H-atom absorbs a photon of wavelength 94.91 nm, and its electron attains a higher energylevel. The atom then emits two photons: one of wavelength 1281 nm to reach an intermediate level, and a second to return to the ground state.
The fired crucible is handled with oily fingers before its mass measurements. Subsequently the sample is heat and the oil from the fingers is burned off. Will the percent water in the hydrated salt be reported as being too high, too low or unaffec..
What is the osmotic pressure, in atm, of a solution formed by dissolving 17.4 g of PbCl4 in 0.336 L of water at 62.2 oC? (R = 0.0821 L-atm/mol-K; 0 oC = 273 K)
Draw the structural formula of an alkane that has eight carbons and only primary hydrogens.
Problem- Part 1) Why reaction of 2-butanone with LiAlH4 results in the formation of a racemic mixture rather than a single enantiomeric product?
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