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Which one of the following represents a conjugate acid/base pair?
A titration of sulfates in a 5.00 mL sample of drinking water with 10.0 mM (millimolar) of barium acetate as the titrant is carried out. A microflow pump was used instead of a buret
Identify the factors that affect toxicity in a population. Pick three of the factors and provide a brief discussion on how that factor can affect the health of a population.
Write down mass balance and charge balance equations for 0.100mol L-1 Na2C2O4(aq). Mass Balanced Equation= Charge Balance Equation=
Question- 1) Write a chemical equation for the reaction of this acid with water Identify the Bronsted acids and bases in the reaction. 2) Determine the Ka of this acid
If Beryllium oxide crystallizes in the zinc blend structure. (a) Approximate the density of this compound. (b) What is the % ion character. (c) Explain what is anticipated coordination number for the material. Is this reliable with the actual stru..
What is delta G for the transfer of 6 mol K+from blood plasma to the cellular fluid at body temperature(37C). What is the minimum amount of work that must be used to transfer this K+
if you burn 51.8 g of hydrogen and produce 463g of water, how much oxygen reacted?
When a 0.0200 mol sample of SO3 is introduced into an evacuated 1.67 L vessel at 900K, 0.0132 mol SO3 is found to be present at equilibrium. What is the value of Kp for the dissociation of SO3 at this temperature?
at 760k 85 of a sample of cyclopropane changes to propane in 79.0min. calculate the value of the rate constant for this
Write a series of equilibrium expressions, a mass balance and a charge balance representing the complete reaction of 0.01 M H4EDTA
What mass of solid sodium hypochlorite (molar mass = 74.44 g/mol) should be added to 1.0 L of 0.255M hypochlorous acid to make a buffer with a pH of 7.54? (Ka of HClO = 3.8 x 10-8)
500 ml of a gas is collected under the following conditions pressure 750 torr and temperture 24 degree celsius. what
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