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Find out the normal boiling point in Celsius of pure acetic acid giving that the liquid has a vapor pressure of 13.9 torr at 25 degree Celsius and its heat of vaporization (Δhvap) is 41.7kj/mol.
Calculate the standard Helmholtz free energy of formation of delta fA of CH3OH(l) at 298K from the standard Gibbs free energy of formation and the assumption that H2 and O2 are ideal gases.
After the label fell off a bottle containing a clear liquid believed to be benzene, a chemist measured the density of the liquid to verify its identity. A 25.0-{\rm mL} portion of the liquid had a mass of 21.95 {\rm g}. A chemistry handbook lists the..
The slope of the linear regression line was 2.78 (mV/nM). What are the signal limit of detection and the concentration detection limit, respectively (to 2 s.f. each). Signal detection limit
A substance has a molecular mass of 100g/mol. How many ug are in a 700mm3 volume of a 2mM solution?
ca3fpo43s 5h2so4l 10h2ol ---gt 5caso4.2h2os hfg 3h3po4for each 100.0 grams of phosphoric produced what volume of
groundwater containing 60 mgl of co2 at 10oc is pumped through a spray nozzle aerator and the co2 concentration is
if water is added to magnesium nitride, ammonia gas is produced when the mixture is heated. if 10.3 g of magnesium nitride is treated with water, what volume of ammonia gas would be collected at 20 celcius and .989 atm
Which species exhibit hydrogen bonding. I. H3C - O - CH3 II. CH3 - CH2 - OH III. CH3 - CH2 - NH2
The minimum energy required to break an oxygen-oxygen bond in ozone (O3) is 387 kJ/mole. What is the longest wavelength of light
A buffer is made by combining 3.50 L of 0.200M butylamine, C4H9NH2 with 7.50L of 0.100M butylammonium chloride, C4H9NH3Cl. Assuming that volumes are additive
The following reaction is first order with respect to NO and first order with respect to O2, and the rate constant is 5.0 x 104 M-1s-1: 2NO(g) + O2(g) --> N2O4(g) a) Write the rate law for this reaction
Iron metal is formed during the reduction of iron(III) oxide: Fe2O3 + 3CO 2Fe + 3CO2. When 28.4 kg of Fe2O3 react with 17.0 kg of CO and 4.2 kg of Fe are recovered, what is the percent yield for the reaction
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