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What two products form when you react Furfural with cyclopentanone (OH- on top of arrow and -H2O on bottom of reaction arrow). One has the molecular weight of 162.2 and melting point 60.5 and the second one has a molecular weight of 240.3 and a melting point of 162.
A 1.15 g sample of water is injected into an evacuated 5 L flask at 65 C. What will the mass of water vapor be when the system reaches equilibrium
Calculate the vapor pressure of the solution at 25oC when 12.43 grams of testosterone, C19H28O2 (288.4 g/mol), are dissolved in 246.7 grams of diethyl ether.
Use oxidation states to identify the oxidizing agent and the reducing agent in the following redox reaction. Express both answers as chemical formulas. 1. 2Na(s)+2H2O(l)--->2NaOH(aq)+H2(g)
Hom much .200M KOH is required to completely neutralize
A precipitate of calcium phosphate is in contact with 653.9 mL of water. How many grams of calcium ion are present in the solution
one of the steps in the commercial process for converting ammonia to nitric acid involves the conversion of nh3 to
hydrocarbons are often reacted with steam to form h2 as shown for propanec3h8g 6 h2og ltgt 3 co2g 10 h2gcalculate kp
what should be the instantaneous rate of the first order decomposition of 3 h2o2 3g h2o2 per 100g solution? assume the
The biochemical oxygen demand (BOD) is the capacity of organic and biological matter in natural water to consume oxygen. It is determined experimentally by measuring the oxygen concentration in a sealed sample before and after a 5-day incubation p..
Enough of a monoprotic acid is dissolved in water to produce a 1.54 M solution. The pH of the resulting solution is 2.95. Calculate the Ka for the acid.
when do we use melting point depression method to determine molecular mass vs. other methods such as tiltration and quantitative precipitation
Given that the 50.0 mL of 0.12 M weak acid is titrated with 0.20 M NaOH and Ka = 1.8x10-5, calculate the predicted volume of base (Vb) needed to be added to achieve a pH of 7.00.
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