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calculate the density in (g/L) of CH3CH3 in a 1.00L sealed flask at 85 degrees celsius and 500mmHg
When 85.00 mL of 0.250 M Ca(OH)2 (aq) and 15.00 mL of 0.750 M Pb(NO3) (aq) are mixed together in a beaker a yellow precipitate is formed. Assume all heavy metal hydroxides are insoluable
Why the presence of a phenyl group causes loss of stereospecificity in this alkene bromination?
A large number of polycyclic benzenoid aromatic hydrocarbons are known. One of these, benz/a/pyrene, is a powerful carcinogen found in tobacco smoke. Draw the structure of this hydrocarbon. Can you suggest other sources where this material might b..
The U.S. Environmental Protection Agency set a maximum contaminant level (MCL) for tetrachloroethylene (TCE, C2Cl4) in drinking water of 0.005 ppm (by mass).
What is the boiling point of water at an altitude where the ambient air pressure is 0.61 bar? The enthalpy of vaporization of water near its boiling point is 40.7 kJ/mol.
What is its solubility under atmospheric conditions? (The partial pressure of CO2 in air is 0.00055 atm.) Assume that CO2 obeys Henry's law.
80.0 of is initially at room temperature (22). A chilled steel rod at 2 is placed in the water. If the final temperature of the system is 21.5, what is the mass of the steel bar?
A particular element, M has a heat capacity of 0.36 j x g-1 x k-1. It forms an oxide that contains 2.90 g of M per gram of oxygen. What is the molar masss of M
The molecule iodine monochloride ICl has a diple moment of 1.6 D and a bond length of 2.32 A. What is the effective charge on I in untis of electronic charge e
limestone is decomposed by heating to quicklime and carbon dioxide. Calculate how many grams of quickline can be produced from 1.0kg of limestone
This increases to 0.010 Msec^-1 at 90 degrees C. Calculate the activation energy for this reaction.
Calculate the number of moles of ions present in 15.1 g of a solution that is 6.30% MgSO4 by mass. What formula do you use for this problem?
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