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Problem- The explosive trinitrotoluene (TNT) has the composition of 37.01% C, 2.22% H, 18.50% N, and 42.27% O. What is the empirical formula of TNT (I'm dynamite. TNT I'll win this fight. TNT I'm a power-load, watch me explode!
Rework your solution from the beginning and check each step carefully.
A 2.0L solution contains [Ag+] = 0.1M and [Pb2+] = 0.1M (Ksp = 1.8E-10 for AgCl and Ksp=1.8E-5 for PbCl2). Explain how many grams of NaCl must be added to precipitate a maximum amount of AgCl before any PbCl2 begins to precipitate
Calculate [H3O ], [ClO4-], and [OH-] in an aqueous solution that is 0.110 M in HClO4(aq) at 25 °C. is the solution acidic, basic, or neutral
The Solubility of Oxygen gas in water at 25 Celcius and 1.0 atm pressure of oxygen is 0.041 g/l. The solubility of oxygen in water at 3.0 atm and 25 Celcius is what g/l
Problem- The corona of the sun emits a spectral line at about 677 m due to the presence of an ionized 57Fe atom (molar mass of 0.0569 kg mol^-1). If the line has a width of 0.053 nm, what is the temperature of the corona.
what is the intermediate of the photochemical isomerization of (E,E)-2,4-hexadiene to (Z,E)-2,4-hexadiene ? Draw the structure of this nternediate
Consider the titration of a 25.0 mL sample of 0.110M HC2H3O2 with 0.130M NaOH. Determine the pH at one-half of the equivalence point. initial pH=2.85, the volume of added base required to reach the equivalence point=21.2 mL
A 54.9 g sample of the compound X2O7 contains 33.6 g of oxygen atoms. What is the molar mass of element X
i) Compute the number of atoms in the subsequent unit cells a.) body-centered cubic structure b.) Hexagonal structure. ii.) Compute the packing efficiency of each above unit cell.
A lactic acid/lactate ion buffer solution contains 0.29 M hc3h5o3 and 0.80 M C3H5O3-, respectively. The Ka value of lactic acid is 1.4X10^-4. Calculate the pH of this buffer.
A gaseous fuel mixture stored at 749mmHg also 298K contains only methane (CH4) and propane (C3H8). While 11.4L of this fuel mixture is burned, it produces 766kJ of heat.
During a tritration, 34.62 mL of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What was the concentration of the original sulfuric acid solution?
Using curved arrows to symbolize the flow of electrons, write the stepwise mechanism for the bromination of anisole to provide the major monobromination product. Write the resonance structures for any charged, delocalized intermediates that are in..
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