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Draw intermediate and final products. Cyclopentene ----->NBS above arrow and heat,peroxides below arrow. Give intermediate. Then ----------> NaOCH2CH3 above arrow and CH3CH2OH,heat below arrow. Give products
The state function to describe a particle on a sphere is given as Ψ=2sin^2(?)+cos?(θ).calculate the expectation value of its angular momentum about the z-axis, energy and the square of the total angular momentum L^2.
How much energy would be required to melt 48 g of HCl at its melting point of -110.8C? Hfus for HCl is 14.2 cal/g and Hvap for HCl is 98.7 cal/g.
A first-stage recovery of magnesium from seawater is precipitation of Mg(OH)2 with CaO: Mg2+(aq)+CaO(s)+H2O(l)---->Mg(OH)2(s)+Ca2+(aq).
You have successfully purified a protein to homogeneity. From gel permeation chromatography studies, you determine that the protein has a molecular weight for 235,000 daltons.
Why is the enthalpy based on the moles of NH3 and not HCl? c. Calculate the percent error in part (a) if the accepted Hrxn is -55.0 kj/mol
A solution is made by dissolving 0.100 mols of NaOCl in 100.0 mL of water. The Ka of hypochlorous acid (HClO) is 3.0*x10^-8 at 25.0 C. a.) Write any relevant chemical equations or equilibrium reactions.
net ionic equation for the reaction of 0.100 M nitrous acid with Barium hydroxide. Calculate the pH of the acid - I'm lost - can you help with the calculations
What mass of liquid water remains in the flask when equilibrium is established? The equilibrium vapor pressure of water at 55 °C is 118 mm Hg.
Use the van der waals equation and data in the text to calculate the pressure exerted by 18 gram of H2 at 20C in a 1.00L container. Repeat the calculation assuming that the gas behaves like an ideal gas.
Calculate the freezing point depression of a solution containing 0.20% wt/v glucose (mol wt of 180) and 0.5% NaCl
A 30 g sample of water at 280 K is mixed with 50 g of water at 330 K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
61.0 mL of a 1.70 M solution is diluted to a volume of 268 mL. A 134-mL portion of that solution is diluted using 119 mL of water. What is the final concentration
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