How many grams of ethyl alcohol added to water
How many grams of ethyl alcohol, C2H5OH, must be added to 1.000 kf of water so that the solution will not freeze until -20 degrees C? For water, Kf= 1.86 degrees C/m.
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On being heated with potassium ethoxide in ethanol (70 degrees C), the deuterium-labeled alkyl bromide shown gave a mixture of 1-butene, cis-2-butene, and trans-2-butene. On the basis of your knowledge of the E2 mechanism, predict which alkene(s),
How could you isolate the R-(+)-alpha-phenylethylamine from the mother liquor that remained after you crystallized and filtered off the S-(-)-alpha-phenylethylamine
A solar panel is used to heat water in a tank. How much heat energy is needed to raise the temperature of 1000 L of water from an initial temp of 23 degrees Celsius to a final temp of 65 degrees Celsius
Write ground-state electron configurations for these ions, which play important roles in biochemical processes in our bodies. (Use a noble gas core abbreviation) Na^+, Mg^2+ Cl^- K^+
What is the empirical formula of a compound that has three times as many hydrogen atoms as carbon atoms, but only half as many oxygen atoms as carbon atoms?
What is the solubility in pure water of Ba(IO3)2 in moles per liter at 25 ?C [Ksp (25 ?C) = 6.0 ? 10-10]
Consider the following function. f(x) = x^3 ln x b) Use l'Hospital's Rule to determine the limit as x ? 0+, c) Use calculus to find the minimum value., d) Find the interval where the function is concave up.
Give the structure of a hydrocarbon that has six carbon atoms and three vinylic hydrogens and two allylic hydrogens
When trimethylamine, (CH3)3N, dissolves in water, it partially ionizes, producing the trimethylammonium ion, (CH3)3NH+. What effect, if any, would dissolving trimethylammonium chloride [(CH3)3NHCl], a soluble salt, in this solution have on the equili
If the following substance is dissolved in pure water, will the solution be acidic and Explain Ammonium sulfate-((NH4)2SO4)
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