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A certain substance has a heat of vaporization of 37.43 kJ/mol. At what Kelvin temperature will the vapor pressure be 7.00 times higher than it was at 347 K?
how many grams of NO are required to produce 145 g of N2 in the following reaction? 4NH3+6NO-- 5N2+6H2O
If someone using one of those masks exhales 0.716 g of CO2/min, how many grams of potassium superoxide would be consumed in 12.00 minutes?
Calculate the pressure of dry oxygen. If the total pressure of oxygen generated over water is measured to be 638 torr and the temperature is 22 degress celcius?
Calculate the volume in liters of a 0.133mol/L copper (II) sulfate solution that contains 150.g of copper (II) sulfate (CuSO4).
Calculate the pH at the equivalence point for the titration of 0.230 M methylamine (CH3NH2) with 0.230 M HCl. The Kb of methylamine is 5.0× 10-4.
determine K for this reaction When a sample of 5.63 grams of pure C 5 H 6 O 3 (g) was sealed into an otherwise empty flask of 2.50 L and heated to 200.
A student measures the standard enthalpy change for reaction (C2H4(g) + H2O(g) CH3CH2OH(g)) to be -52.8 kJ :Calculate the standard enthalpy of formation.
Find the molar mass of the compound. The reezing point of benzene is 5.49 degree celcius.
What mass of zinc oxide can be produced from the reaction of 415 g zinc sulfide with 265 g of oxygen gas? The other product is sulfur dioxide.
Using a flow diagram, show the separation of a mixture containing p-bromoacetanilide, N-cyclopentyl-N-methyl-N-propylamine (N mean the group is attached to the nitrogen of the amine and m-nitrophenol. Specify the organic solvent and aqueous soluti..
Consider the dissolution of MnS in water (Ksp = 3.0 × 10-14). MnS(s) + H2O(l)-> Mn2+(aq) + HS-(aq) + OH-(aq) How is the solubility of manganese(II) sulfide affected by the addition of aqueous potassium hydroxide to the system?
The complex ion [Co(CN)3]^3- absorbs a photon of wavelength 2.90×10^2 nm. What is the splitting energy of this complex in kJ/mol?
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