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Explain the explosive, tnt is composed of 37.0% carbon 2.20% hydrogen,18.5% nitrogen, and 42.3% oxygen.
a. Find out he empirical formula for tnt.
b. Explain the molar mass for tnt is 227 g/mol. Define what is the molecular formula for tnt?
Draw the complete Lewis Dot Structure, and identify for each molecule the shape, the hybridization on the central atom
F. Explain how Le Chatelier's Principle affects the extent of the dissociation of acetic acid in a buffer that is 0.10 M acetic acid and 0.10M acetate ion. Write the balanced chemical reaction for the two applicable equilibria.
Draw the organic product formed when the structure shown below undergoes
Oxygen binds to the hemes in myoglobin and hemoglobin. However, when plotting oxygen's ability to bind to the protein vs. O2 concentration myoglobin and hemoglobin have dramatically different graphs. Explain this observation.
The formula of the precipitate is Cu(IO3)2. A saturated solution of this substance was made in 0.01 M KlO3. The copper concentration was found to be 0.0012M. Determine the [IO3^-] and the Ksp of the substance.
Calculate the number of grams of AlCl3 and the number of grams of H2O formed when 0.500 g of Al(OH)3 reacts.
The molar volume of the liquid at this temperature and pressure is 163.3 cm^3/mol. At 100 atm the melting temp changes to 351.26 K. Calculate the enthalpy and entropy of fusion of the solid.
Sample has a mass of 0.171 g at a pressure of 761 mm Hg and a temperature of 32oC. What is the molar mass of the gas? R=0.0821 L atm / mol K
A voltaic cell that uses reaction: PdCl4^2-(aq)+Cd(s)-->Pd(s)+4Cl-(aq)+Cd^2+(aq) has a measured standard cell potential of +1.03V 1. Write the two half-cell reactions. 2. determine E red for the the reaction involving Pd 3. Sketch the voltaic cel..
an oxygen-oxygen bond has an enthalpy of 498 kj/mol , and the standard enthalpy of formation of CIO2(g) is DH f=102.5 kj/mol , use Hess's law to calculate the value for the enthalpy of formation of CIO (g)
nbspwhen titrating 0.15 m hcl with a calcium hydroxide solution of unknown concentration 35 ml of acid are required to
Which has the lowest freezing point: CaF2, (NH4)3PO4, C6H12O6, or NaNO3?
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