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When a sky diver free-falls through the air, the process is a. non-spontaneous because he is accelerating due to the force applied by gravity. b. non-spontaneous because he is losing potential energy. c non-spontaneous because he had planned the jump for two weeks. d spontaneous. e equillibrium.
Calculate the number of moles of ions present in 58.5 g of a solution that is 8.68% Fe2(SO4)3 by mass. a) There are 0.0635 moles of ions in this solution. b) There are 0.0127 moles of ions in this solution.
An engineer is designing a chlorine contact chamber to disinfect poultry-processing wastes. (Note these wastes are often contaminated with the pathogenic bacteria Salmonella). She can design the system to use chlorine gas (equivalent to using HOCl..
draw correlation diagram the HOMO of allyl anion and the LUMO of ethylene and comment on the symmetry match of the two.
What is the first step in the reaction sequence of these Aldol reactions under basic conditions?
The quadratic formula is used to solve for x in expressions taking the form of a quadratic equation: ax2 bx c = 0, Solve for x in the following expression using the quadratic formula
0.000333 g fluorescein (332.32 g/mol) is dissolved in 225 mL solution of ethanol. The density of ethanol is 0.785 g/mL. What is the concentration of the solution in molarity (M)
calculate the vapor pressure of the pressure cooker if the temperature inside the pressure cooker is 119 degree celcuis.
Semiconductors, such as silicon, are the heart of the circuits that form the basis for computers and other electronics. These materials are characterized by a gap in the energy
Calculate a lattice energy for (in kilojoules per mole) using the following information.
The titration is monitored with a potentiometer using a SCE reference electrode (Eref= 0.241V). the solution is buffered at ph=4.00.
An alkyne of six carbon atoms gives the same single product in its reaction either with BH3 in THF followed by H2O2 /OH-, or with H2O/Hg2 /H3O . Draw the structure of the alkyne (containing only carbon and hydrogen atoms).
Calculate the number of moles of sodium hydroxide used in the titration. b. How many equivalents of unknown acid were titrated? c. Determine the equivalent mass of the unknown acid
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