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Write a balanced equation for the spontaneous reaction that would occur if a cell were constructed using a manganese metal electrode in a 1.00M solution of Mn(NO3)2 and an inert electrode ( one that conducts electricity but does not react) in a solution containing 1.00M Cr(NO3)3. Calculate Eocell for this cell. How many moles of electrons are transferred in the net cell reaction? Explain.
Calculate the fractional compositions 0 (HA) and 1 (A) for HEPES at pH = 7.00, 7.56, and 7.80. Assume the ionic strength is zero.
Calculate the equilibrium constant for the following reaction: (Ka of HCOOH = 1.7 x 10^-4) HCOOH (aq) + OH-(aq) HCOO-(aq) + H2O(l)
What are the consequences of removing some of the phase transfer catalyst along with the hot reaction mixture after refluxing
Given a pure preparation of these algae, and the required supplies and equipment, devise and outline an empirical procedure for purifying Enzyme X.
The freezing point depression of water is a rather small 1.86 deg C kg/mol. Addition of 0.454 g of zinc chloride to 3.33 g of water lowers the melting point by 5.2 deg C. Calculate the expected melting point for this mixture and account for any di..
clausthalite is a mineral composed of lead selenide pbse. the mineral adopts a nacl-type structure. the density of
How much heat energy is liberated when 11.0 grams of manganese is used in the formation of Mn2O3
What is the driving force for losing a proton as the last step in electrophilic aromatic substitution
A mixture of nitrogen and oxygen gas is collected by displacement of water 30 degrees celsius and 700 torr Hg pressure. If the partial pressure of nitrogen is 550 torr Hg, what is the partial pressure of oxygen? (Vapor pressure of H2O at 30 degree..
a nitrogen molecule is confined in a cubic box of volume 1.00m3. assuming that the molecule has an energy equal to
Calculate the standard enthalphy change for the following reaction.
This reaction is a catalytic hydrogenation that only partially reduces an alkyne. Consider whether the hydrogenation
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