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If about 2.55 gallons of oil spills into the ocean per second, the first traces of color from an oil slick on the surface of water appear when the film reachs a thickness of 0.000150 mm and a dark sheet appears once the thickness grows to 0.0020 mm. How many days does it take for the oil to produce a dark sheet the size of 51885 mile squared?
Which SINGLE step in the chemical reaction described below will most greatly assist you in understanding and determining the overall rate of the reaction. why.
What mass of this substance must evaporate in order to freeze 250 g of water initially at 15 C? (The heat of fusion of water is 334 {J/g}; the specific heat of water is 4.18 {J/g c.K}.)
Consider the reaction when aqueous solutions of sodium acetate and potassium sulfide are combined.
If you added 75ml of a 0.555M solution of NaCl to enough water to produce 950 ml of solution, what would be the resulting molarity?
Find the pH of the equivalence points and the volume of 0.0372 M NaOH needed to reach it in titrations of
a police officer is driving due north at a constant speed of22 ms relative to the ground when shenotices a truck on the
Calculate the concentration of ALL species in a 0.25 M solution of ethylammonium chloride (EtNH4Cl). The Kb value for the weak base ethylamine (EtNH2) is 5.6 x 10^-4.
a 5.00g sample of liquid water at 25.0degree c is heated by adding 84.0j of energy. the specific heat of water is
How long would it take for 1.50 mol of water at 100.0 C to be converted completely into steam if heat were added at a constant rate of 21.0 J/s?
The stopcock connecting a 2.25 L bulb containing oxygen gas at a pressure of 4.00 atm, and a 5.25 L bulb containing neon gas at a pressure of 8.00 atm, is opened and the gases are allowed to mix.
Write a formula for the conjugate base formed when each of the following behaves as a bronzed acid.
Two liters of argon gas at 300 K and 5 atm are expanded against a constant opposing pressure of 1 atm until mechanical equilibrium is achieved.
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