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It is possible to convert radiant energy into electrical energy using photovoltaic cells. Assuming equal efficiency of conversion, would infrared or ultraviolet radiation yield more electrical energy on a per-photon basis?
Using the intermolecular bonding between H2O molecules (bonding that exists in solid ice versus liquid water), explain why: 1) ice floats 2) ice formed in the crevices of a road or the granite face of a mountain is able to crack the road or cause ..
Which reagent is the limiting reactant when 1.250 g Al(OH)3 and .750 g H2SO4 are allowed to react? How many moles and grams of Al2(SO4)3
After 77.0 min, 32.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics
If cargo is added so that the ship now sits 20' in the water, how many pounds of cargo was added? Please explain how come to the answer. The answer is suppose to be around 28,000 tons.
Problem- The following reaction has been reported in the chemical literature and proceeds cleanly in good yield. Identify the principal organic product. A phenol with Cl groups on carbon
A 0.100M (as prepared) solution of dichloroacetic acid has an observed [H30+]= .043 M. What are the equilibrium concentrations and the value of the equilibrium constant for the reaction shown?
Problem- A solution made by adding NaClO to enough water to make 2.00 L of solution has a pH of 10.25. Calculate the number of moles of NaClO that was added.
phosphate combines with sodium hydrogen phosphate to yield sodium tripolyphosphate and water
If I want to make the buffer by adding 0.100 M NaOH instead of sodium acetate, how many milliliters of NaOH are needed to reach pH=4.74?
Calculate the composition of air (percent by mass) assuming that it only contains nitrogen and oxygen and behaves like an ideal gas
If you are given a Beer's Law plot and a value for the absorbance of an unknown solution how will you determine the concentration of the unknown solution
Copper has two naturally occurring isotopes. Cu-63 has a mass of 62.939 amu and relative abundance of 69.17%. Use the atomic weight of copper to determine the mass of the other copper isotope.
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