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If 36.8 grams of FeS2 is allowed to react with 22.0 grams of O2 according to the following unbalanced equation, how many grams of Fe2O3 are produced?
when the zinc coating on an iron can is scratched, rust does not form. use the activity series to explain why this happens.
Why are monochromators (prism or grating monochromators) used in scanning instruments as opposed to absorption filters for
What volume of this solution is required to make 1.50 L of 2.75 mol/L NH3(aq)? Give your answer in millilitres, accurate to three significant figures.
disulfur dichloride is produced by reacting chlorine gas with molten sulfur.s8 4 cl2 --gt 4 s2cl2what is the percent
The volume of a syringe is 0.5 mL and the pressure is 3 atm, when the plunger is at the bottom of the syringe. The syringe is then sealed and forced to the 10 mL mark. What is the pressure inside of the syringe?
Calculate the pH of 9.2E-8 M NaOH, ignoring activity coefficients. Report the pH using the correct number of decimal places.
The combustion of oxalic acid in a bomb calorimeter yields 2816 J/g at 25 degrees Celsius. Calculate (a) ΔcU and (b) ΔcH for the combustion of 1 mole of oxalic acid (M = 90.0 g/mol)
discuss in detail one way which atomic nuclear decay takes place. what is the significance of the atomic nuclear decay?
Plutonium-239 has been used as a power source for heart pacemakers. What is the energy obtained from the following decay of 215mg of plutonium-239
The PF5 molecule is known to have a trigonal bipyramidal shape. Explanation of its bonding includes all of the following EXCEPT: A. Bond Angles of 90 degrees
What pricing method would you advise Ricky's company to use?
IR of Benzpinacol and to what carbon, proton, or functional group (respectively) would each peak belong?
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