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Write a 200 word essay in any style and identify and discuss three key features associated with the combustion of polymeric materials or compounds that are relevant to the safety and health of an EH&S or a FS professional responding to an incident involving these materials. This must be original work and not taken from wikianswere, yahoo answers, etc.
What is the total sample size (in grams) for a sample of disulfur octoxide which contains 3.29 g of oxygen
In any chemical reaction, the quantities that are preserved are what?
Define the term "standard solution" and discuss what is meant by "standardizing a solution". For clarification, as an example
A cylinder with a moveable piston contains 0.84 mol of gas and has a volume of 328 mL. What will its volume be if an additional 0.27 mol of gas is added to the cylinder? (Assume constant temperature and pressure.)
a given mass of neon gas has a volume of 25.0 liters at a pressure of .75 atm. if the pressure is changed to 300.0 torr and the temperature remains constant , what will the volume of neon be
If emitted particles with a given diameter are found to settle out after 7 days, how long would it take a particle of the same material with 1x the diameter to settle out?
a copper refinery produces a copper ingot weighing 75 kg. the density of the copper is 8.94 gcm3. if the copper is
the empirical formula of a substance is bh3 the exper molar mass is 27.67 gmol. determine the molecular formula of the
What mass of gold is produced when 12.8 A of current are passed through a gold solution for 44.0 min. Express your answer with the appropriate units.
Write the chemical equation for the formation of HBr from H and Br atoms. Lone pairs do not need to be included. Using the table of bond energies determine the ?H for the above reaction. (KJ/Mol)
a solution of 1 ppm Pb2+was prepared and dispensed 1 mL of it using a volumetric transfer pipette, also the same solution was dispensed using a measuring (Mohr) pipette.
how to find the maximum percentage yield of the ketene when the phase-gas decomposition of acetic acid at 1189k
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