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The titration of a weak acid with NaOH showed Two equivalent points. Using only this information, determine the relationship between the molarity and normality of this acid solution
what is the percent yield of the enzyme recovered in the purified fraction. what is the degree of purification (fold purification
Based on their activation energies and energy changes and assuming that all collision factors are the same, which of the following reactions would be fastest and which would be slowest?
calculate how many joules are needed to heat 18.2g of tin from 24cdeg to 37.7cdeg?we needed a 50ml of a 0.1 m tris
Calculate the enthalpy and entropy departure for water at 400 C and 30 MPa using generalized correlations. Compare these values to those in the steam tables
Determine which half-cell will undergo oxidation and which will undergo reduction, identify anode and cathode, and calculate the voltage for the cell.
Calculate change in E, q, w, and change in H and the final temp if the expansion is carried out according to each of the following paths:
A 0.85g sample of commercial lye (containing NaOH and other inert ingredients) is dissolved in water and titrated with 37.00ml of 0.525 M HCl. What is the percent purity (mass of NaOH/mass of sample x 100) of the lye sample
explain how this model can be used to reduce the number of dangling bonds from 49 unreconstructed to 19 constructed. b.
A chemist is trying to determine the amount of CaCO3 in an antacid tablet. She dissolves the tablet in water and titrates it with HCl according to the following reaction
A container of gas with an adjustable volume has an initial pressure of p. The container volume is tripled at constant temperature. What is the pressure inside the container after the volume is increased
Determine the percent yield if An 8.50 grams sample of Ammonia gives 12.0 g of Nitric Oxide?
1.00 mol of phosphorus reacted with excess fluorine: P4 + 6F2 -> 4PF3 Calculate the number of moles of PF3 produced, assuming the reaction went to completion
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