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How much energy is required to convert water at 30 GC (and at atmospheric pressure) to saturated steam at 169.06 kPa and 85% quality?
Determine the empirical formula of a hydrocarbon which has 92.24% C and 7.76% H. If 0.500 g of this hydrocarbon occupies 0.086 L at STP, determine the molecular weight of the compound.
Calculate the final temperature of an aqueous solution if 30g of CaCl2 is added to 100 mL of water at 23 degrees celcius. Assume that the specific heat of the solution is the same as that of water= 4.184 J*g/celcius
Classify each description of a complex by the number of unpaired electrons in the d4 metal ion.
prepared by dissolving 33.2 g of the compound in sufficient water to form 250 mL of solution. The solution has an osmotic pressure of 1.2 atm at 25 °C. What is the molar mass (g/mole) of the compound?
Looking at the structures for blue indigo and white indigo, how can you tell that white indigo is the reduced form. What chemical process happens as the fabric dries
What is the entropy change for the reaction 2H(g) + O2(g)-------- 2H2O(l) at 25 degree and 300 atm
Explain why the bond dissociation energy for the C-C sigma bond in propane is lower than the BDE for the C-C bond in propene.
a student was asked to determine the purity of a contaminated sample of ammonium chloride.a sample of 5g was warmed
What mass of sucrose should be combined with 468 of water to make a solution with an osmotic pressure of 8.75 at 295 ? (Assume the density of the solution to be equal to the density of the solvent.)
why is it difficult to use refractive index to determine the concentration of alcohol above 56 by
the solubility of oxygen gas in water at 25degc and 1.0 atm pressure is 0.041 gl. what is the solubility of oxygen in
What observed rotation is expected when a (7.91x10^-1) M solution of (R)-2-butanol (mw = 74.12 g/mol) is mixed with an equal volume of a 0.740 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 ..
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