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hydrogen sulfide gas is a poisonous gas with the odor of rotten eggs. it occurs in natural gas and is produced during the decay of organic matter, which contains sulfur. the gas burns in oxygen as follows: 2H2S(g)+3O2(g)~2H2O(l)+2SO2(g) calculate the standard enthalpy change for this reaction using standard enthalpies of formation. general chemistry 10th edition ebbing and gammon
Assume no heat is lost to the surroundings. The normal boiling point of methane is -161.5 C. The specific heats of liquid and gaseous methane are 3.48 and 2.22 J/g.K, respectively. A)liquid B)gaseous C)solid
Calculate the resulting CO2 concentration in the atmosphere 30 years from now assuming that we will use only coal to generate electricity. Assume efficiencies of 40% for power plants.
A solution of 53.6 g of glycerin in 133.7g of ethanol has a vapor pressure of 113 torr at 313K. Calculate the vapor pressure of pure ethanol assuming that glycerin is a non-volatile, non electrolyte solute in ethanol.
What is the molarity of a solution made by dissolving 74.8 g of strontium perchlorate in sufficient water
What is the magnitude of the electric field amplitude associated with the beam and the corresponding photon density per cm3?
How much energy is released during the complete combustion of 433 grams of cyclopropane
what concentration of NH4+ must be present in a 0.20M aqueous ammonia solution to prevent the percipitation of Mg(OH)2 if the ammonia solution
Determine the concentration of the original Na 2 C 2 O 4 solution and disodium oxalate in the presence of excess acid.
At a temperature of 425 0C and a pressure of 735 mmHg, how many grams of {NH_3} can be produced when 4.40 L of {NO_2} react.
Determine the rate law and the value of k for the reaction at 25oC
Water's bad smell containing hydrogen sulfide H 2 S that can be removed by the action of Cl considering the given reaction.
if a 210 mg piece of gold (density=19.32 b/cm^3) is hammered into a sheep measuring 2.3*10 ft. what is the average thickness of the sheet in meters?
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