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Describe the two types of smoke aerosols and why they are important in fires.
List some relationships between fuel chemistry and sooting tendency.
Describe the principle combustion products formed in fires.
A gaseous mixture of O2 and Kr has a density of 1.111 g/L at 420. torr and 300. K. What is the mole percent O2 in the mixture?
Why does the processing of a crystalline material like nylon require more critical thermal control as opposed to an amorphous material like ABS
a rectangular block has dimensions 2.9 cm . 3.5 cm . 10.0 cm. the mass of the block is 615.0 g. what are the volume and
Problem- Practice in density calculations. Some pranksters managed to get a hold of some ethylene glycol, adipic acid and aromatic disocyanate and filled a U-Haul pickup truck full of polyurethane foam. A U-Haul pickup truck has a volume of 75.5 c..
What is a major consideration in constructing a life jacket that will keep a person afloat? Is it easier for a large person to float in a lake than a small person? Explain. Why must a helium balloon be held with a string?
laws of thermodynamics. Why is there no law for the conservation of entropy?
Is it believed that two carbon-12 nuclei (mass 12.0000 amu) can react in the core of a supergiant star to form sodium-23 (mass 22.989767 amu) and hydrogen-1 (mass 1.007825). Calculate the energy in kJ released from this reaction for each mole of h..
A. Suppose you wanted to produce 1.00L of a 3.50 M aqueous solution of H2SO4. 1. What is the solute 2. What is the solvent 3. How many grams of solute are needed to make this solution
Analyze the extraction of the salicylic acid-naphthalene mixture by using two solvents: saturated aqueous sodium bicarbonate and water? Analyze the sublimation of the crude naphthalene?
A farmer crosses a black rooster with a white hen. Of the seven offspring, three are black, three are speckled black and white, and one is white.
What is effective nuclear charge? How does it affect the size of an element's atomic radius? (YOUR ANSWER MUST BE COMPLETE AND THOROUGH TO RECEIVE FULL CREDIT)
Draw additional molecules of sulfanilamide and hypothesize the intermolecular interactions that are most important for providing a stable and selective crystal structure
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