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If 7.36 g of an unknown gas occupies 79.1mL at 25.02 C and 7.55atm pressure, explain what is the molecular weight of that gas? The value of R = 0.0821 L atm mol^-1 K-1.
a. 312b. 0.312c. 26.2d. 31.2e. 3.21 x 10-3
It takes 171 minutes for the concentration of the reactant in a first-order reaction to decrease from 0.6000 M to 0.150 M at 25 C? How long will it take for the reaction to be 90.0% complete
a voltaic cell is constructed with a agag half-cell and a cdcd2 half-cell. the silver electrode is positive. write
in hundreds of thousands of homes across the country family swimming pools and spas require sanitation and maintenance
Explain Copper crystallizes in a face-centered cubic unit cell with an edge length of 362pm. Explain what is the radius of a copper atom in pico meters. Explain what is the density of copper in g/cm3.
Explain a solution of 2.00g of para-dichlorobenzene (a clothes moth repellant) in 50.0g of cyclohexane freezes at 1.05°C. Explain what is the molar mass of this substance
Calculate the indicated quantities for a system consisting of 1 mol of N2 gas. Assume ideal gas behavior. a) The gas initially at 10 atm pressure is expaneded tenfold in volume against a constant external pressure of 1 atm, all at 298 k. Calculate ..
solid carbon dioxide co2 dry ice goes directly from solid to gaseous state at -78degc. the molar heat of sublimation is
Sodium cyclamate, NaC6H12NSO3, was a popular nonsugar sweetener until it was banned by the Food and Drug Administration. Its sweetness is about 30 times that of sugar (or sucrose, C12H22O11).
Traumatic acid has a distribution coefficient of 5.8 between MtBE and water. If 75 mg of traumatic acid is added to a centrifuge tube containing 3mL of water and 2mL of MtBE, how much traumatic acid would be in each layer after thorough mixing
In designing a sulfuric plant, is it necessary to provide for heating or cooling of the reaction mixture. I don't understand the concept of enthalpy and how it applies to this question.
Draw out the mechanism of the reaction (not the reaction scheme) for Acetic acid and n-Octanol that makes n-Octyl Acetate. Use mechanistic arrows and draw any intermediates and product.
gold forms a substitutional solid solution with silver. compute the weight percent of gold that must be added to silver
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