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A particular gaseous hydrocarbon that is 82.7% C and 17.3 % H by mass has a density of 2.36 g/L at 21 degress C and 749mmHg .
What is the molecular formula of this hydrocarbon?
What is the purpose of adding phosphoric acid before titration of the iron (III) with potassium dichromate
What is the vapor pressure of SiCl4 in mm \ Hg at 31.5 C? The vapor pressure of SiCl4}is 100 mm \ Hg at 5.4 C, and Delta H vap} = 30. kJ/mol
An air sample contains 0.034% . If the total pressure is 765 , what is the partial pressure of
degrees Celsius) is placed in 20.6 g of water at 25.00 degrees Celsius. What is tins specific heat if the equilibrium temperature is 47.75 degrees Celsius?
what mass of sucrose should be combined with 478 of water to make a solution with an osmotic pressure of 8.60 at 320 ?
Why does the absolute refractory period occur and What is happening in the cell.
Find the intrinsic conductivity for germanium. (Assuming ni = 2.5x 1019/m3 at room temperature.)
how many kcals of heat energy would be required to vaporize 35 grams of h2o that demonstrated a temp. of 246
what does it mean to manipulate the solubility of insoluble organic compounds by salt formation
Describe a carbon nanotube and the physical properties of a nanotube compared to the other allotypes of carbon. What are the ares were it appears nanotubes will be used in the future.
What components of phospholipids contribute to the liquid crystal nature of membranes
Determine How many moles each are in 1.30L of the saline solution if a physiological saline solution contains 174mEq/L each of Na+ and Cl - .
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