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Suppose the reaction Pb(s) + 2H^+(aq) ? Pb^2+(aq) + H2(g) is carried out at pH = 4.00 and at a hydrogen gas pressure of 1.00 atm. The concentration of lead(II) ions that causes this reaction to be at equilibrium is
42 grams of a mystery powder was heated from 36.0 degrees celcius to 65.0 degrees celcius. the powder absorbed 5895 j of energy. what is the specific heat of the powder?
Consider the titration of 100.0 mL of 0.110 M NaOH with 1.00 M HBr. Find the pH at the following volumes of acid added and make a graph of pH versus Va: Va= 0,2,5,8,10,10.1,11,11.1, and 12 mL Compute Ve, first.
Draw the skeletal structure of the major organic product produced when 2-methylpropanoyl chloride reacts with 3-methylbutanoic acid
What will be the likely effect of clearing forests and converting them to grasslands and crops on (a) the earth's reflectivity (albedo) and (b) the earth's average surface temperature?
Calculate the entropy change. What would be the value of S if the heating were carried out irreversibly?
Draw the Lewis structures for calcium carbonate and magnesium hydroxide.
how does the attractive force that the nucleus exerts on an electron change with the principal energy level of the electron?
What difficulties could you encounter trying to determine the cp of a chunk of metal that has a hollow center?
However, a water transporter was discovered in 1992 and it was named aquaporin. Aquaporin is a single subunit protein that is barrel-shaped and open to both sides of the membrane
Explain why the C=C stretching mode gives rise to a rather weak IR band in 1-methylcyclohexane
This increases to 0.010 Msec^-1 at 90 degrees C. Calculate the activation energy for this reaction.
Determine the molarity of a solution that is formed by dissolving 21.0 g of CaF2 in a flask and adding water to make 446.2 mL of solution
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