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A reactant is identified in the context of a redox reaction as an oxidizing agent. Which of the follow statements is false?
a. this reactant is a reactant for the reduction half-reaction
b. the reducing agent transfers electrons to this reactant
c. the reactant is reduced
d. this reactant gains electrons
e. the oxidation number of at least one atom in this reactant increases positively
estimate the value of the equilibrium constant at 650 rm k for each of the following reactions. delta hcircrm f and
When 49 mL of a solution containing 3.1 M AlCl3 is diluted to 53 mL, a dilute solution is formed. How many moles of Al3+ ions are contained in 14 mL of the dilute solution
What is the oxidation state of an individual nitrogen atom in KNO3. What is the oxidation state of each individual carbon atom in ?C2O4^-2
you have prepared a saturated solution of x at 20c using 27.0 g of water. how much more solute can be dissolved if the
Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of 432 years . How long will it take in years for 40.0 % of an Am-241 sample to decay
If you have 4.26 g of caffeine dissolved in 94.6 mL of water and the extraction coefficient between H2O and CH2Cl2 is 21.51. How many grams of caffeine will extract into the CH22Cl2 layer if you use 59.9 mL
Histidine has three ionisable functional groups. Write the equilibrium equations for its three ionizations and assign the proper pKa for each ionization.
List the molecular geometry and the electron pair arrangement of all possibilities that would give a polar molecule when all the surrounding atoms are identical.
solutions of ag plus, cu 2 plus, fe 3plus, and Ti 4 plus are electrolyzed with the constant current until 0.10 mole of metal is deposited. which will require the greatest lenght of time.
A column of water exerts, a pressure of 100pa and a force of 2.0 N. What is the cross sectional area of the column?
consider the second-order decomposition of nitroysl chloride2noclg rarr 2nog cl2gat 450 k the rate constant is 15.4
Can some one verbally explain the ideas of tunneling and reflection in the case of particles confronting an energy barier
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