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The multiple components of crude oil are separated by a process called fractionation (fractional distillation) at petroleum refineries.
1. Rank (or arrange) the following petroleum products according to their increasing risk of fire and explosion at room temperature, and provide the technical basis for the ranking: asphalt, aviation gasoline, transmission fluids, propane, and kerosene.
2. Why do most experts recommend the use of aqueous film-forming foam (AFFF) to extinguish crude oil fires inside a bulk storage tank?
Ethanol Fires can be difficult to extinguish. Discuss why this is true and what approach firefighters might use to fight this type of fire.
A mixture of neon and oxygen gases at a total pressure 975 mm Hg contains neon at a partial pressure of 325 mm Hg. If the gas mixture contains 3.75 grams of neon,
When a container is filled with 3.00 moles of H2, 2.00 moles of O2, and 1.00 mole of N2, the pressure in the container is 465 kPa. What is the partial pressure of O2
Determine the molarity of the solution that is prepared as follows: 73.0 g of magnesium of nitrate is dissolved in enough water to make 550.0mL of solution. molarity
Question- What is the mechanism for a phenol to p-nitrophenol. why can't a meta nitration be produced from a phenol? Please show detail. Explain why and show resonance, arrows.
why does a salt containing a cation from a weak base and an anion from a strong acid form an acidic solution
Which of the following involve an increase in the entropy of the system under consideration?
An unknown monoprotic weak acid, HA, has a molar mass of 55.0. A solution contains 2.50 g of HA dissolved 800. mL of solution. The solution has a pH of 2.000. What is the value of Ka for HA
What is the percent ionization of a 0.186 M solution of this acid? A certain weak base has a Kb of 7.50 × 10-7. What concentration of this base will produce a pH of 10.06?
The percent composition by mass of a compound is 76.0% C, 12.8% H, and 11.2% O. the molar mass of this compound is 284.5 g/mol. Explain what is the molecular formula of the compound
The heat required to raise temperature of a large cup of water from room temperature to boiling is approximately 100 kj. What is the quantity of heat in kilocalories and BTU
In 1774, Joseph Priestley discovered that mercury(II) oxide decomposes on heating to elemental mercury and a gas, later called oxygen. If 56.0 g of mercury(II) oxide is heated and 26.0 % of it decomposes,
Question- If a buffer solution is 0.100 M in a weak acid (Ka=3.8 x 10^-5) and 0.480 M in its conjugate base, what is the pH
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