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An analysis of waste solvent vapors from one plant showed that the gas contained 20mol% CH4, 20mol% CS2, 30mol% SO2, and 30mol% H2O. The gas is fully combusted with air and then emitted. The regulations limit the SO2 concentration in the emitted gases to no more than 2mol% on a dry basis.
a) Use a degree-of-freedom analysis based on extents of reaction to determine how many process variables must be specified for the remaining variable values to be calculated.
b) what is the composition of the emitted gases? Assuming air contains 21mol% oxygen and 79mol% nitrogen.
What is the free energy change, ?G°, for the equilibrium between hydrogen iodide, hydrogen, and iodine at 453°C? Kc = 0.020
A copper wire (density = 8.96 g/cm3) has a diameter of 0.26 mm. If a sample of this copper wire has a mass of 43 g, how long is the wire?
According to the solubility rule, silver will precipitate with SO42- but doing my lab i found no precipitation when i added AgNO3
Calculate E cell for the following balanced redox reaction O2(g)+2H2O(l)+4Ag(s)=4OH^-(aq)+4Ag^+(aq)
Write the neutralization reaction, balance it, name the products THEN Solve the problem above.
moist air exerts lower pressure and dry air exerts high pressure. how would the volume of the hydrogen gas that was ollectes been different if this eperiment was done on a very rainy day/ on a very dry day?
enough solid KHT be added to the kcl-nacl solution to ensure that some solid remain undissolved after 20 minutes stirring?
Calculate what the limiting reactant is in the reaction between copper (II) oxide and hydrochloric acid
determine the mass of unknown liquid that you transferred to the flask before heating in the determinig the molar mass of a volatile liquid by the dumas method expermant
Identify the rate determining step, reaction intermediates and the experimental rate law (intermediates can not be in the rate law)
calculate the standard Molar Enthalpy Change for the reaction in the reaction endothermic or exothermic
Carbon dioxide makes up approximately 0.04% of the Earth's atmosphere. If you collect a 2.0L sample from the atmosphere at sea level (1.00 atm) on a warm day
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