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A compound forms cis-1,2-dimethylcyclopropane when it is reduced with H2 and Pd/C. The H NMR spectrum of the compound shows only two singlets. What is the structure of the compound?
Determine the range of fat you might expect to obtain if you extracted fat from ten grams of nutmeg (Dried, ground nutmeg typically contains between 20-25% fat by weight.) Assume that your extraction is 95% effective.
calculate the molar mass of a vapor that has a density of 1.88 gl at 25.2 oc and 710.
if 28.8g of methane gas ch4 are introduced into an evacuated 2.00-l gas cylinder at a temperature of35c what is the
Analysis of an unknown substance showed that it has a moderate melting point and is a good conductor of heat and electricity in the solid phase. Which of the following substance would have those characteristics
what would be the volume of an ideal gas at absolute zero? what happens to real gases before they reach absolute zero?
However, both qsolution and it can be either positive or negative numbers. Based on this a) If the solution cools down, is T a positive or negative number? Explain.
if you had a saturated solution of nano3 at 40 degrees celsius that contained 85 grams of water how much of the salt
A 2.476 g sample of a monoprotic acid was dissolved in wate. it took 21.36 mL of a 0.1577 M NaOH solution to neutralize the acid. calculate the molar mass of the acid.
Determine the sign of ΔS sys and ΔS surr for each chemical reaction.2CO(g)+O 2 (g)?2CO 2 (g)ΔH ° rxn = -566.0 kJ. Choose from:
A solution containing iodide ions has a percent transmittance reading of 72.3%. what is the molarity of the iodide ion in this solution
for the reaction N2O4 (g) 2 NO2 (g) a 0.750 L flask contains an equilibrium mixture of 0.971 mol N2O4 and 0.0580 mol NO2 at 25 C. The system is allowed to expand into a larger flask with a total volume of 3.0 L.
When 20.0 grams of an unknown compound are dissolved in 500. grams of benzene, the freezing point of the resulting solution is 3.77°C. The freezing point of pure benzene is 5.48°C, and Kf for benzene is 5.12°C/m. What is the molecular weight of th..
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