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Q1. Suppose that an industrial process produces the following air-contaminant concentrations for the periods shown:
Period Methanol(ppm) Nitric Oxide(ppm) Sulfur Dioxide8AM - 10 AM 50 5 010AM - 11 AM 150 10 111 AM -1 PM 100 5 11 PM -4 PM` 200 10 1
Taken collectively, would these concentrations exceed the OSHA permissible exposure limits? Explain
Q2. Suppose that the solvent ethanol could serve to replace the methanol in this process, but at the expense of double the concentrations of the solvent in the atmosphere. Would this help or hinder matters? Explain
Explain the structural feature of Acetanilide molecule - Identify one structural feature of the acetanilide molecule
Determine how many grams of Ammonia are needed to produce 130 grams of hydrogen flouride?
An equilibrium mixture of this reaction(NH4HS(s)?NH3(g)+H2S(g)) at a certain temperature was found to have [H2S]= 0.350M and [NH3]= 0.276M .What is the value of the equilibrium constant (Kc) at this temperature.
Determine the mass of snow that can be completely melted - Determine the mass of snow (frozen water) that can be completely melted with the application
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Normally the alkaline earth carbonates (MCO3; M = Mg^2+, Ca^+2, Sr^+2, Ba+2) are insoluble in water. Why would the method used in this experiment work for calculating the molar mass of the alkaline earth? How would the calculations have to be cha..
can you find out the name and formula of the unknown compound and determine the identity of the element?
A gas originally occupies 20L at 24.7 psia and 5 C. What would the pressure be if the volume changed to 4.77ft3 and the temperature was 82 F? Give the answer in atmospheres.
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