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A gaseous gydrogem and carbon conaining compound is decomposed and found to contain 85.63% and 14.37% H by mass. the mass of 258mL of the gas, measured at STP, was ).646g. What is the molecular formula of the compound
The vapor pressure of ethanol is 400 mmHg at 63.5 degree celsius. Its molar heat of vaporization is 39.3 kJ/mol. What vapor pressure of ethanol, in mmHg, at 34.9 degree celsius
Calculate ?Srxn for the following reaction. The S for each species is shown below the reaction. 4NH3(g) + 5O2(g) -> 4NO(g) + 6H2O(g) 192.8 205.2 210.8 188.8 S(j\J/mol*K)
How would the retention time of a solute in gas chromatography change if the flow rate of the carrier gas is slowed down?
assuming that neither the density of water nor its specific heat capacity change with temperature, calculate the total heat capacity of the calorimeter.
Calculate the volume change associated with the adiabatic expansion b) Calculate the heat flow, work and entropy
What is the frequency of ultraviolet light with wavelength 2.51 × 10-8 m? (c = 3.00 × 108 m/s)
Agas company in Massachusetts charges $1.30 for 15.0 cubic ft of natural gas. (a) Convert this rate to dollarsper liter of gas. (b) It takes 0.304 cubic ft of gas to boil aliter of water, starting at room temperature (25 degrees), how much would i..
1. during the titration several milliliters of deionized water are added to the erlenmeyer flask containing the khp
Pure liquid water can be supercooled to temperatures below its freezing point. Consider 10 kg of water cooled as a liquid to -10 Celsius. Let's now add a small crystal of ice (whose mass is negligible) as a "seed"
what volume of 0.150m hclo4 solution is needed to neutralize 54.00ml of 8.80times10-2 m naoh?nbspwhat volume of 0.120m
Cyclopentdienone undergoes diels-alder reaction with itself. What is the structure of this addition product
If you were to dissolve 15.0 mg of the antibiotic in 546 mg cyclohexane, at what temperature would you expect this solution to boil
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