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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.
Suppose you have a sample which should melt at 100-101 degree C. You place 0.015 grams in a capillary tube in an oil bath at 101 degree C. If the heat of fussion for the sample is 50 cal/gram
How do we find the concentration, c, depending on thiele modulus and the particle diameter? We do not know the value of thiele modulus.
How much energy (in kilojoules) is required to convert 285 ml of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 ?
The values in the partially completed grid are measured cell potentials for a cell consisting of electrode #1 and electrode #2. You may assume that each galvanic cell was properly constructed with the appropriate metals and solutions and that all..
The normale boling point of acetone is 56.2 C and its Hvap is 25.5kJ mol. At what temperature does acetone have a vapor pressure of 425mmHg?
C2H4 + 3O2 = 2CO2 + 2H2O if 6.0 mol of co2 are produced, how many moles of o2 were reacted.
Problem- If He gas has an average kinetic energy of 5710 J/mol under certain conditions, what is the root mean square speed of Cl2 gas molecules under the same conditions
If electricity of sufficient voltage is passed into a solution of potassium iodide in water, a reaction takes place in which elemental hydrogen gas and elemental iodine are produced, leaving a solution of potassium hydroxide. Write the unbalanced ..
Explain the attraction of a positive end of one molecule for the negative end of another neighboring molecule is a
One of the most common causes of inaccurate melting points is too rapid heating of the melting point bath. Under these circumstance
The hydration of carbon dioxide (add water to CO2) produces carbonic acid and is part of the equilibrium that controls carbon dioxide levels in the blood during respiration of vertebrate organisms. How can this reaction be explained using the Lewi..
A researcher suspects that the pressure gauge on a 49.9-L gas cylinder containing nitric oxide is broken. An empty gas cylinder weighs 135 lb. The weight of the partially full cylinder is 161.5 lb. This cylinder is located in a relatively chilly s..
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