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Using the Law of Buoyancy explain why solid block of steel will sink in the ocean, but ships made of steel can float on the ocean.
Problem- A reservoir containing retrograde gas has a reservoir pressure higher than the dew-point pressure of the gras as evidenced by constant producing gas-oil ratio. The gas is produced through three stages of seperation. Surface production rat..
The pKa's of benzoic acid and 4-nitroanilinium hydrochloride are 4.2 and 1.0, respectively.
What is the weight % of Cl in the original sample?
a sample of h20 with a mass of 46.0 grams has a temperature of -58.0 celcius. how many joules of energy are necessary
Calculate the mass
The students are asked to respond orally in the presence of other students. What types of error might enter into this process? What might be a better approach?
To determine the number of molecules present in air using the ideal gas law and Avogadro's number - how many molecules of each type of gas are present in 1.0 L of air at STP?
List the procedures to prepare 100.00 ml of a 0.1M NaOH solution from a 10% NaOH solution. (MW of NaOH=40.00, d of solution= 1.0 g/ml)
a. You have 50 mL of a buffer solution that is 0.15 M in HA and 0.25 M in A-. Calculate the pH of the solution after you add 100 mL of 0.01 M HCl to the solution. The pKa of HA is 4.75.
if the rate law for a reaction is rate ka2ba. what is the overall order of the reaction?b. if the concentration of a
The second order rate constant for a reaction is 8.700 x 103 M-1s-1. If the initial reagent concentration is 0.90500 mol/L, determine the time (in seconds) required for the reagent concentration to reach 0.46200 mol/L.
The diameter of the laser beam is 5.5 mm. If the laser is pointed toward a pinhole with a diameter of 1.2 mm, how many photons will travel through the pinhole per second?
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