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Calculate the root mean square (rms) average speed of the atoms in a sample of xenon gas at 0.11 atm and -37C.
At what temperature will the rate of the reaction triple compared to the rate at 25 degrees C if the activation energy is 56KJ/mole? ln(k1/k2) = -(Ea/R) [(1/T1)-(1/T2) R= 8.315 x 10 ^ -3 Kj/mol-K
Kennedy Space Center in Cape Canaveral, Florida, is the largest building in the world, with a volume of 3,666,500 m3.
Nitrogen trichloride, an unstable liquid, is placed in a 3.00 L container at 29ºC. The initial pressure in the flask is 1.00 atm due to the presence of air.
The root-mean-square speed of CH4 molecules at 25°C is about 0.56 km/s. What is the root-mean-square speed of a H2 molecule at 25°C?
Calculate the pH of a solution when 0.200 moles of solid NaOH is added to 2.00 liter of 0.250 M HCl. Assume no change in volume.
The cup is a volume widely used by cooks in the U.S. One cup is equivalent to 225 cm3. If 1 cup of olive oil has a mass of 205 g, what is the density of olive oil in g/cm3?
if the the atmospheric pressure is 685 mm Hg, what would the partial pressure of oxygen and of nitrogen be?
Write the condensed structural formulas and names for all the constitutional isomers with the formula C4H9Br
Calculate the pH of a system composed of 0.135 M HC7H5)2, benzoic acid and 0.176 M KC7H5O2, potassium benzoate.
Carryout the following conversions. Report your answer to the correct number of significant figures
Which is the electrophilic site in the following compounds. A. CH3Cl B.H3C-O-CH3 with two lone pairs around O C. BH3. What is the nucleophilic site in each of the following molecules.
Combustion analysis of an unknown compound containing only carbon and hydrogen produced 4.554 g of CO2 and 2.322 g of H2O. What is the empirical formula of the compound? this would be so much easier if they gave the grams of the unknown compound.
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