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Find the real activity of the anions for solution of 1M H3PO4, which is at 25 degree celsius and assume that all ions present follow the Debye-Huckel limiting law at that concentration (A = 0.509). Besides, it is given that pKa = 2.14 and density of 1M H3PO4 in water is 1.050 g/mL
if a plant produces 5.06 mol of C6H12O6, how many moles of CO2 are needed?
The vapor pressure of a liquid double while the temperature is raised from 90 degrees Celsius to 100 degrees Celsius. Explain at what temperature will the vapor pressure be seven times the value at 90 degrees Celsius
Two grams of naphthalene are solidified in the bottom of a 1.5-in. long, YS-in. diameter glass tube. The air in the tube is assumed to be saturated.
A sample of gaseous C2H2 (acetylene, or ethyne) was stored for one year, yet at the end of this period the sample remained unchanged and no graphite or hydrogen gas had been formed. Briefly explain why there is no inconsistency between the sign of..
Why is oxygen on the periodic table O? Isn't oxygen O2
The enzyme, malate dehydrogenase, catalyzes the oxidation of L-malate to oxaloacetate with the concomitant reduction of NAD+.
why is it not necessary to precisely measure the amount of water added to the sodium chloride in the procedure
How many grams of water are needed to react with 78.0g CaCN2? How many grams of NH3 are produced from 5.19g CaCN2?
The solubility products of PbSO4 and SrSO4 are 6.3 * 10^-7 and 3.2 * 10^-7, respectively. What are the values of [ SO4 2-], [Pb 2+], and [Sr 2+] in a solution at equilibrium with both substances
when sulfuric acid is a component of polluted air it chemically attacks statues memorials and monuments made from
An optical fiber for something is made SiO2 glass (density = 2.2 Mg/m^3). How many Si atoms and how many O atoms are present per millimeter of length of a fiber 10 µm in diameter
The accepted value for Ag2CrO4 is 1.1 x 10 -12. Compute the percent error in your experimentally determined value of Ksp: 4.9 x 10-10.
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