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The reaction between trans-2butene+potassium tert-butoxide+CHCl3 produces which: meso compund or pair of enantiomers? Explain
Caulculate the change in pH when 0.95 g of CH3COONa is added to 48 mL of 0.50 M acetic acid, CH3COOH. Ignore any changes in volume. The Ka for CH3COOH is 1.8 * 10^-5
Was measured at several temperatures and the following data was collected, Using this data, graph ln k 1/T. using your graph determine the value of Ea please show work and show a graph
Calculate the amount of heat (in kJ) required to raise the temperature of 242 grams of water from 24 degree C to 65 degree C.
The label claims this solution is 3.0 % (w/w); that is there are 3.0 grams of H2O2 in every 100 grams of solution. What is the molar concentration of this solution. Assume a density of 1.00 g mL
Draw the structure of the dimer. Water (circled) is eliminated when the bond between the monomers forms. Circle the atoms of the ester functional group.
Assuming that the specific heat of water is 4.18 J/(g ? °C), and that the heat absorption by the calorimeter is negligible, estimate the enthalpy of combustion per mole of anthracene
The heat of fusion of ice is 6.00 kJ/mol. Find the number of photons of wavelength = 5.63×10^-6m that must be absorbed to melt 3.30g of ice.
Lithium fluoride(LiF) exhibits predominantly ionic bonding. THe Li+ and F- ions have elctron structures that are identical
An element has ccp packing with a face-centered cubic unit cell. Its density is 11.4 g/mL and the unit cell volume is 1.21 x 10-25 L. Calculate the molar mass (g/mol) of the element to three significant figures.
Some 2-methyl-2-butene may be produced in the reaction as a by-product. Give a mechanism for its production. (The experiment was to react t-pentyl alcohol with HCl.)
A voltaic cell consists of a Mn/Mn2+ electrode (E°= -1.18 V) and a Fe/Fe2+ electrode (E°= -0.44 V). Calculate [Fe2+] if [Mn2+] = 0.050 M and Ecell = 0.78 V at 25°C.
How many liters of water are required to dissolve 5.55 grams of KOH and make a solution with a pH of 11.63
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