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The answer to KineticsThe symmetry factor Beta was determined to be 0.4 for an activation controlled Ag deposition process. At overpotential n = -0.400 V the current density was found to be j = -5.125 A/dm^2.
What is the value of the exchange current density jo, and what will be the current density j [A/dm^2] at an overpotential of -0.003 V?
Write the electron configuration of selenium. List the following compounds in order of increasing lattice energy: NaCl, NaBr, MgO, CaO.
Arsine (AsH3) has a vapor pressure is 35 Torr at -111.95?C and 253 Torr at -83.6 ?C. What is the normal boiling point of arsine.
A 43 kg person drinks 450. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 17% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake.
The chemical formula of hydrogen cyanide is HCN. How many unshared electrons are associated with a molecule of hydrogen cyanide.
How many grams of MnSO4 can be prepared from the reaction of 15.0 g of KMnO4 with 22.6 g of H2SO3.
A white solid remains in centrifuge tube after acetone extraction-it fizzes when hydrochloric acid is added suggesting sodium carbonate was formed- How did it form? Write a balanced equation for the formation?
What is the density of lead if a rectangular bar measuring 0.500 in height, 1.55 in width, and 25.00 in length has a mass of 220.9g.
How much energy (heat) is released when 1.52 moles of H2 reacts with 0.68 moles of Cl2 to create HCl(g) if the ΔHrxn = -184.6 kJ.
What is the osmotic pressure of human blood at 37°C if human blood is isotonic to 0.16 M NaCl solution? Remember that NaCl almost completely ionizes in water.
What is the density of gallium in grams per cubic centimeter at 25 C if a 1.00 cube has a mass of 0.2133.
Hydrochloric acid HCl are permitted to react at atmospheric pressure and the volume change is -71.1 liters then determine how much PV work is done?
A 2+ ion of a particular element has an atomic mass of 203 and 123 neutrons in its nucleus, a) what is the nuclear charge in this element. Why? b) what are the symbol and name of this element? How do you know?
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