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In a test tube containing a precipitate of Pb(OH)2 in water, will the ions from the salt have a reasonable concentration? Explain. What are the concentrations of the lead(II) and hydroxide ions in equilibrium with the solid? Show your logic in detail.
Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 203.00 pm What wavelength of light would have sufficient energy to ionize the atom
Draw a mechanism for the reaction of lauryl alcohol with chlorosulfonic acid.
Calculate a lattice energy for (in kilojoules per mole) using the following information.
A voltaic cell is constructed by immersing a strip of silver metal in a 1.0M AgNO3 solution and a strip of Cadmium metal in a 1.0M Cd(NO)3 solutio. the circuit is completed by a wire and a salt bridge in the usual way.
A student heated a 25.0g piece of a metal to a temp of 100.0C and placed it in 100.0g of water, initially at a temperature of 10.0C. Determine the final temperature of the system(aluminum and water)
The manometer shown below measures the pressure of the water in the tank. Using variables for the densities (no values given), find the gage pressure at point A.
Nitrous Oxide N2O is a strong greenhouse gas-effect gas with a global warming potential of 300 times that of carbon dioxide and is a contributor to the destruction of ozone in the stratosphere
the standard enthalpy of combustion of ethene gas c2h4 is -1411.1 kjmol at 298 k. given the following enthalpies of
Consider reactions of the same stoichiometry that are characterized by the following Kc(constant) values. Which reaction will have the smallest amount of product at equilibrium
A mass of mercury occupies 0.750 L. What volume would an equal mass of ethanol occupy? The density of mercury is 13.546 g/mL and the density of ethanol is 0.789 g/mL.
How many milliliters of 4.21 M NaOH are needed to completely neutralize 76.9 mL of 0.340 M H3PO4?
using henderson hasselbalch calculate the ph of .5 L of 2.0M solution of nitrous acid, HNO2 that also contains 140g of nano2 (MM=70g/mol)
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