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Cyclopropane has significantly less angle strain than cyclopropane, yet is only slightly lower in energy. How can this be true? How does this information relate to the fact that cyclobutane is not a planar molecule, but has one carbon bent about 25 degrees out of the planar of the other three
What is the C2O42- concentration in a solution that is 0.10 M in oxalic acid and 1.0 M in HCl? (Consider that the oxalic acid concentration at equilibrium for this common ion problem is 0.10 M.)
A second sample of this acid weighing 2.00 grams is added to the titrated sample and the pH is 4.32. Calculate the molar mass of the unknown acid and determine the value of Ka for this acid.
How many theoretical plates does the column have What is the plate height (in mm) of the column if the column is 11.7 cm long
how many moles of N atoms are there in .882 moles of (NH2)2CO?
A 0.451 M solution of a weak acid, HA, has a pH of 4.01. Calculate Ka for the acid. Use E notation and 3 significant figures.
The students continued to do the experiment and determined the negative heat capacity of a metal and heats of reaction, using the negative heat capacity for the calorimeter.
Compute A current is drawn from the cell until 1.20 grams of Ag have been deposited at the Ag electrode. Determine the value of E for the cell at that stage of operation.
A saturated solution of Na2SO4 with excess of the solid is present in equilibrium with its vapor in a closed vessel. Calculate the number of degrees of freedom, f, of the system.
What is the concentration (inM) of the chloride ion when 18.9 mL of a 0.606M solution of barium chloride is combined with 15.1 mL of a 0.62 M solution of aluminum chloride? Assume the volumes are additive
A titration was performed to determine the solubility product constant (Ksp) of an unknown iodide with formula . The first two steps of the reaction sequence are shown below:
Calculate the approximate amount of unknown acid to use such that it would require about 15 mL of 0.05M NaOH to reach the endpoint.
What volume of gas, measured at 690 torr and 40 degrees celcius, is required to form 29g of NaCl?
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