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Organic chemistry needs synthesis of multiple substances. Explain how come overall yield decreases with more steps?
At 295 K, Keq = 7.0 x 10-2 for the following equilibrium: NH4HS(s) ? NH3(g) + H2S(g) What is the equilibrium partial pressure (in atm) of H2S.
a 0.456 gram sample of an unknown mono protic acid lets call it hz was dissolved in some water you pick the amount.
determine volume it would have if it reaches an altitude where the temperature = -33 0C , pressure = 0.65 atm?
How many total stereoisomers are possible for 4-chloro-3-hexanol? Given that opening of the epoxide ring in this reaction is stereoselective, provide the names of the only two isomeric products formed using IUPAC guidelines.
Trichloroethane, C2H3Cl3, is the active ingredient in aerosols that claim to stain-proof men's ties. Trichloroethane has a vapor pressure of 100.0 mm Hg at 20.0 C and boils at 74.1 C
Octane has a density of 0.692 g/mL at 20 Celsius . How many grams of O2 are required to burn 1.30 gal of C8H18
During physical activity, lactic acid (MM = 90.08 g/mole) forms in muscle tissue and is responsible for muscle soreness. An elemental analysis shows that it contains 40.0 mass percent C, 6.71 mass percent H
Consider the decomposition of ammonium nitrite: NH4NO2 yields to N2 + H2O. What would be the change in pressure in a sealed 10.0 L vessel due to the formation of N2 gas when the ammonium nitrite in 2.90 L of 0.990 M NH4NO2 decomposes
If 1.00 g of Ca2+ dissolved in 420 mL of water reacts stoichiometrically according to the balanced equation in a reaction solution with a total volume of 1680 mL, what is the molarity (M) of Na+ produced?
How do you find the ratio of the cis and trans isomers from the H NMR spectrum?
Define what is the maximum mole percent of N2 in an air mixture that could be utilize by divers at depths up to 75 m below sea level without undue risk of nitrogen narcosis
Classify each description of a complex by the number of unpaired electrons in the d4 metal ion.
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