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Question- For the following separates the whole reaction into half-reactions, balance the half reactions and combine to yield a balanced whole reaction. Compute the E° and pe° values at pH 7 (E7° and pe7°) for the net reaction.
(1) Fe2+ + NO3- = Fe(OH)3(s) + N2
(2) Fe2+ + SO42- = Fe(OH)3(s) + H2S
(3) Mn2+ + Fe(OH)3(s) = MnO2(s) + Fe2+
State your answer as a chemical formula.
The pH difference across the membrane of a glass electrode is 6.45. How much voltage is generated by the pH gradient at:25degreesC and 40 degreesC
Calculate the volume of carbon dioxide at 20.0 degrees C and 0.910 atm produced from the complete combustion of 5.00 methane. Compare your result with the volume of CO2 produced from the complete combustion of 5.00 kg of propane (C3H8)
Calculate the molar kinetic energy (in joules per mole) of a sample of Ne(g) at (a) 25.00 degree C and (b) 26.00 degree C
Find the standard enthalpy of formation of ethylene, C2H4(g), given: heat of combustion = -1411 kJ/mol, Hf [CO2]= -393.5kJ/mol, Hf [H2O]= -285.5kJ/mol
A magnesium goes from its grond state to its first electronically excited state. I assume the ground state is a singlet.
Of the substances below, the highest fuel value is obtained from- charcoal bituminous coal natural gas hydrogen wood
Problem- When 20mL of a 120mL stock solution containing 1.2M CaCl2 is diluted to 80mL, how many moles of Ca2+ are in the new solution
the rate constant of a reaction is 4.7 multiplied by 10-3 s-1 at 25degc and the activation energy is 33.6 kjmol. what
what is the flow of the gulf stream in milliters per minute (b) what mass of water in the gulf stream flows past a given point in 24 hours? the density of seawater is 1.025 g/ml
Calculate the vapor pressure of a solution prepared by dissolving 70.0 g of naphthalene, C10H8 (a nonvolatile nonelectrolyte), in 220.0 g of benzene, C6H6, at 20°C. Assume the solution is ideal. The vapor pressure of pure benzene is 74.6 torr at 2..
The highest possible oxidation state for halogens is +7 and the lowest possible is -1. Which of the following could not disproportionate?
Compute the atomic weight for this naturally occurring element A and A Naturally occurring element A exists in three forms of its isotopes
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