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What are the major sources and emissions of air pollution in your community? What chemicals are they emitting, and how are these chemicals transported through your community (non-point sources, smokestacks, etc.)? Were you surprised at the results? Do you plan to take any action based on the information you discovered?
Your response should be at least 200 words in length.
percent iron in a sample that is 70.0% iron (II) ammonium sulfate hexahydrate, Fe(NH4)2(SO4)2 x6H2O.
The solution filtered , then we took 25 mL of this unknown acid for titration. we use NaOH base for titration ,the volum of titrated base when it reach the equivalence point was 3.2 mL . and the concentration of NaOH is 0.1 M.
The following molecules (ax4y2) all have an octahedral geometry. Select the pairs that contain identical molecules
The normal boiling point of the liquid is 425 K. Liquid, X, and Y are all in equilibrium at 342 K and 1800 bar. Tc = 571K, Pc= 46 bar
Problem- What is the concentration of K+\rm K^+ ions in a 0.045 M~M K2CO3\rm K_2CO_3 solution assuming complete dissociation
A 2.50L volume of a monatomic ideal gas at 283K is contained by a piston at a constant pressure of 1.00 bar.The piston is lifted by reversible, isothermal, and isobaric addition of 1.45 mo lof the same gas through a port in the container.R= 8.314 JK-..
i) What is the half-life (in days) of this reaction when the initial HI concentration is 0.100 M? ii) How many days does it take for the concentration of HI to drop from 0.200 M to 5.00×10-2 M?
Consider the reaction NO + O3 → NO2 + O2 Which has a rate constant given by k = 1.8×10-12 e-1370/T cm3 molecules-1 s-1 .Use the following standard heats of formation.
density of gold is 19.31 gcm3density of platinum is 21.43 gcm3if equal masses of gold and platinum are transferred to
How many hydrogens are in C16H?, which has 3 ring(s) and 8 double bond(s)? How many hydrogens are in C8H?O2, which has 2 ring(s) and 1 double bond(s)
if 5.00 grams of NaHCO3 decomposes, what is the mass of the carbon dioxide produced?
A student carried out this reaction in a eudiometer in hopes of measuring the Ideal Gas Law Constant, R. The gas collected in the eudiometer displaced water (just like in your experiment). She allowed the reaction to proceed for 10 minutes and coll..
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