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What is the longest wavelength of light that can break the O-H bond? The bond dissociation energy of an O-H bond is 463kj/mol
Potassium metal reacts with water to give potassium hydrozide and hydrogen gas. If 50.0 mL of hydrogen gas is produced at STP, what is the mass of potassium that reacted? 2 K9s) + 2H2O(1) -2KOH(aq) + H2(g)
the combustion of how many moles of ethane would be required to heat
A sample of sodium reacts completely with 0.568 (kg) of chlorine, forming 936 (g) of sodium chloride. What mass of sodium reacted
Determine the rat of consumption of O2 if the initial concentration of NH3 was 0.6719 M and decreased to 0.5827 M after 0.3883 hours
How much HCO2H is obtained by reacting 3.80g of FeS, 1.90g of H2S, and 1.90g of CO2 if the reaction results in a 46.0% yield
Calculate the mass of sodium hydroxide that must be added to 1.00 L of 1.00 M HC2H3O2 to double the pH of the solution (assume that the added NaOH does not change the volume of the solution)
list the following compounds in order of increasing lattice energy from least negative to most negative lii lif cao
a student begins a kinetics experiment with a solution containing 0.050 starch. at time zero t 0.00 min the student
1.00g each of NaCl,CaCl2,C6H12O6 dissolved in 100.0g water. What is the vapor pressure of the solution at 100C. What is the freezing point and boiling point
the density of iron is 7.874 g/cm^3 at 300K. If iron forms a body-centered cubic lattice, what is the radius of an iron atom?
Copper (II) sulfate dissolve sin water to form a blue solution. What species are present in the solution, ie, what is actually swimming around in the solution? Write the formulas.
Assign oxidation numbers to all the elements in each of the following compounds or polyatomic ions: a)N2O b)LiOH c)SbO2^- d)IO4^-
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