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For a steel furnace, silica refractories have corrosion rates of 2E-7 m/s at 1,345OC and 9E-7 m/s at 1,510OC. Calculate the activation energy for the corrosion of these silica refractories.
The sample requires 48.24 mL of 0.08893 mol/L Na2S2O3 to reach the equivalence point. Assuming that the Au3+ and Li+ ions are unreactive during titration, determine the ass percent of LiClO sample.
If the solubility producet Ksp for silver phosphate is 1.8x10^-18, what is the molar solubility of silver phosphate in water at the same temperature
1.it is noted that pure ethanol ch3ch2oh has density 0.80625 gcmsup3 at 0.0deg c and density of 0.78945 gcm sup3 at
The half life for the radioactive decay (first order process) of 32P is 14.2 days. How many days would be required for a sample of radiopharmaceutical containing 32P to decrease to 20% of its initial activity
Starting with a 5-carbon alcohol, a 6-carbon alcohol, and malonic ester, complete the synthesis and name the product(using the Malonic Ester Synthesis)
Concentration of H 2 is observed 2.15 moles/L When the reaction N 2 (g) + 3 H 2 (g) ?? 2 NH 3 (g) comes to equilibrium. Determine the numerical value of the Kc equilibrium constant?
what is the formula for the dissolution of sodium propionate in
Calculate the value of w (work) for the following system if 29.0 g of NaN3 reacts completely at 1.00 atm and 22 °C.
The volume of an ideal gas in a container is 2.0L. What will the volume of the gas be if the pressure on the container is doubled while the temperature is reduced from 400k to 200k?
What difficulties could you encounter trying to determine the cp of a chunk of metal that has a hollow center?
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 20.0g of luminol into a total volume of 75.0 mL of H 2 O .
The activation energy for the reaction is found to be 40 kJ mol^-1. Assume that a simple Arrhenius expression gives the dependence of k upon temperature. The investigator runs the reaction in a container whose temperature is increased to 500 K. Wh..
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