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Hydrogen Sulfide gas has toxicity comparable to Hydrogen Cyanide, but because of its intense odor its presence is observed at concentrations well below toxic levels. A mixing ratio of 100 ppmV can be lethal to humans over an extended time, What ar the equilibrium concentrations of H2S and HS- in water in an atmosphere containing that concentration of the gas?
What is the solubility of H2S when the gas is bubbled through water. Assume 25C for both calculations
What is the value of Î"Go in kJ at 25 oC for the reaction between the pair: I2(s) and Br-(aq) Use the reduction potentials for I2(s)
What volumes of the 0.10 M HA and 0.10 M NaA solution should be mixed to prepare the buffer?
A hydrogen-filled balloon was ignited and 2.00 gram of hyrdogen reacted with 16.0 g of oxygen. How many grams of water vapor were formed?
What is the molality if a solution in which 15 g of I2 is dissolved in 500. g of alcohol?
A half-life of phosphorus-32 =14.0 days. starting with six grams of 32P, determine how many grams would remain after 112 days
Express your answers using two significant figures. Enter your answers numerically separated by commas. [HCO2H], [HCO?2], [H3O+], [OH?] = Part C Also calculate the percent dissociation. Express your answer using two significant figures.
The structures of the disulfides (MS2) show an apparently unusual trend, proceeding from left to right across the transition series. On the left side (TiS2, ZrS2, MoS2, etc.)
Write the equation for the formation of ethyl acetate, What is the purpose of sulfuric acid? What happens if water is removed from the reaction mixture.
Assume that the wet limestone process requires 1 metric ton of CaCO3 to remove 90% of the sulfer from 4 metric tons of coel containing 2% S. Assume that the sulfur product is CaSO4. Calculate the percentage of the limestone converted to calcium su..
Identify the type of interactions involved in each of the following processes taking place during the dissolution of sodium chloride in water. -Interactions between water molecules
A 30.0- sample of this glucose solution was diluted to 0.500 . How many grams of glucose are in 100. of the final solution?
Calculate w (in kJ) when 390 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 426 K.
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