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Ethylene glycol, C2H4(OH)2 is a colorless liquid used as automobile antifreeze. If the density at 20 degrees celsius of a 4.028 m solution of ethylene glycol in water is 1.0241 g/ml, what is the molarity of the solution? The molar mass of ethylene glycol is 62.07 g/mol.
What mass of C4H6 in grams is consumed in the reaction below when 39.8 grams O2 (g) are also consumed? C4H6 (g) + O2 (g) ' CO2 (g) + H2O (g) (not balanced)
For each pair of amino acids listed below, predict which one would be first to elute from a cation-exchange column. Assume the buffer pH begins at 3.25 and is increased in a stepwise fashion to pH 6.
at t0 butadiene was introduced into an empty vessel at 326 degree celsius and the gas phase dimerization reaction was
High altitude balloons used by environment Canada to measure O3 levels in the atmosphere also use a similar idiometric titration where the iodine liberated is measured by back titration with sodium thiosulfate. In this case the iodine is generated..
a 11.7 ml sample of a hcl solution has a ph of 2.000. what volume of water must be added to change the ph to
Marine fats have high concentrations of omega-3 fatty acids. What importance do they have in the diet
A metal, M, was converted to the chloride, MCl2. Then a solution of the chloride was treated with silver nitrate to give silver chloride crystals, which were filtered from the solution
why do we assume that the extra electrons in i3- must be placed on the central iodine atom to exceed the octet rule?is
Calculate the magnitude of the current in amperes if the number of moles of hydrogen gas produced is 5.36×10-4
A gaseous mixture of O2 and N2 contains 30.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 505mmHg ?
The saturation value of DO is 8.5 mg/L. The deoxygenation coefficient (kd) is 0.61/d, and the reaeration coefficient (kr) is 0.76/d. Assume complete and instantaneous mixing of the sewage and river. What is the minimum DO downstream
Draw the structure of the unbranched isomer of C5H11Br that is most reactive in an SN2 reaction.
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