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The density of a particular solid is 5.81 g/cm3 at 25°C. What is its density in kilograms per cubic meter (kg/m3)?
determine the equilibrium concentrations of all three compounds if the starting concentrations of both reactants are .00408 M, wiht [HOCl]=0.000 M.
The johns family has a water tank that can deliver 10,000 cu ft of CO2 qt 20 degrees celcius with a pressure of 1ATM If the johns tank volume was cut in half and the pressure increasses
A cell is constructed at 298 K based on the reaction 2 Co3+(aq) + 2 H2O(l) H2O2(aq) + 2 H+(aq) + 2Co2+(aq), E° = 0.14 V. Calculate the pH in the anode compartment if the cell emf = 0.23 V when [Co3+] = 0.17 M, [H2O2] = 0.72 M and [Co2+] = 0.48 M. ..
What mass of helium gas is needed to pressurize a 112.0 L tank to 262 atm at 25°C?
If the value of overall energy change of CsF(s) is +537.2 KJ/mol, and CsF2(s) is -1635.8 KJ/mol, which compound is more likely to form in the reaction of Cesium with flourine
calcuium hydroxide in an acid-base titration to neturalize an acid to the equivlant point. How many mols of potassium hydroxide would be needed to complete the same neutrization?
What is the effect on the calculated concentration of the standard solution if the trials of the pure KHP samples are consistently over-titrated to a deeper magenta color?
How does the hydrogen ion (H+) [or the hydronium ion (H3O+)] and the hydroxide ion (OH-) fit into all of this? What is their role in this reaction?
The reducing agent in this catalytic hydrogenation reaction was molecular hydrogen (H2), which was produced in situ during the course of the reaction.
Professor Whoops attempts to make a 10^-7 M NaH2PO4 solution. The good professor accidently grabs the Na2HPO4 bottle. What pH did professor Whoops expect the solution to be. what was the actual pH of the solution as made
What is the pH of a buffer prepared by adding 0.708mol of the weak acid HA to 0.609mol of NaA in 2.00 L of solution? The dissociation constant Ka of HA is 5.66×10?7.
Show the Newman projection of chair-cyclohexane. From this structure, why is this the lowest energy-conformation
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