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1. Consider a small lab(20 m2 area,3 m height),where an automatic co2 fire extinguisher, during a sudden fire in one of the hoods, suddenly release 10kg of co2. What is the effective mass per m2 Acting on the windows of the lab due to the suddenly increase pressure.
2. Calculate the mean squared velocity of nitrogen molecules at room temperature and compere the result to the velocity of sound.
an empty vial has a mass of 67.77 g. if the vial has a mass of 244.56 g when completely filled with liquid carbon
Write a mathematical equations that show how you will calculate the deteced activity from the count rate due to background radiation and the sample of KCl. also, write an equation that shows how you will determine the "true" activity of your sampl..
The compound BeBr2 has a total of how many shared electrons and how many non-bonded electrons?
analyze run-off water for the presence of a.heavy metals b. benzene-toluene-xylenes and c. polynuclear aromatic
What is the concentration of the solution which results when 50.0 mL of 1.0 M CuCl2 solution is mixed with 100 mL of 4.0 M CuCl2 solution
What is the fractional conversion of ethane? b) What is the production rate of ethanol?
Zinc phosphate (Zn3(PO4)2) has a solubility product constant Ksp = 9.0 x 10-33. What is the solubility of zinc phosphate in...pure water
various types of medicines use in daily life? and classify them into analgesics antipyretics antibiotics sedatives
Draw an energy level diagram for a nonrelativistic particle confined inside a three-dimensional cube-shaped box, showing all states with energies below 15· (h2/8mL2). Be sure to show each linearly independent state separately, to indicate the dege..
The energy levels of hydrogenlike one-electron ions of atomic number Z differ from those of hydrogen by a factor of Z^2. Predict the wavelength of the transition
Sodium carbonate (Na2CO3rm Na_2CO_3) is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 3.02×103kgkg of sulfuric acid solution
The melting point of sodium is 98 degrees celcius. How much heat is absorbed by sodium when 800 grams os solid sodium metal become liquid at 98 degrees celcius?
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