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A thin plate of copper is suspended in seawater. If the corrosion rate is 0.9 mpy (mils per year) and the plate is a square of dimension 3.5 in. per side, how much weight loss (in mg) is expected in 16 days? Express your answer in the form X.X, rounding to the nearest tenth.
What is the approximate value of the equilibrium constant, Kn, for the neutralization of hydrochloric acid with sodium hydroxide, shown in the equation below
Calculate the capacity factor for decane on HP-1 column (25 m length, 0.25 mm I.D., 0.5 mkm film thickness) at 120 C. Explain.
A buffer is initially 0.180M in 4-nitrophenol (HC6H4NO3) and 0.200M in potassium 4-nitrophenolate (KC6H4NO3). The Ka of 4-nitrophenol is 3.8*10^-4 and the buffer has a pOH = 3.47. If 0.20g on NaOH were added to 100ml of this buffer what would the ..
The heat capacity of a bomb calorimeter is found to be 5.68 kJ/oC. When a 1.652 g sample of glucose is burned in the calorimeter, the temperature of the calorimeter increases from 24.56 oC to 29.10 oC. Calculate the heat of combustion of glucose.
Consider 20.0 moles of CO2 in a 1.0 liter container at 300.0 K. What is the pressure predicted by the van der Waals equation.
Once the reaction is complete, the student collects 1.23g of aspirin. Determine the theoretical yield and percent yield of aspirin.
a student produces 2.73 g of a compound. She calculates the theoretical yield as 3.40 g. What is the percent yield
When 1.543 g of copper(II) sulfate pentahydrate is heated to drive off the water of hydration, how many grams of copper(II) sulfate and water are formed?
Determine the lowest frequency of light (in Hz) required to remove an electron from a sample of Ti metal, if the binding energy of titanium
Strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm. If the mass of an atom of Sr is 87.62 amu, and the density of Sr metal is 2.54 g/cm3.
What are the p, V, and T values of the final state of the same perfect gas after an adiabatic expansion to a final pressure of 0.100bar that follows the gas law: PV^(5/3)=constant
What amount of energy is required to melt a 13.5 g piece of ice at 0oC to form liquid water at the same temperature of 0? The heat of fusion of water = 333 J/g , T he specific heat of H2O is approx. constant at 4.18 J/g x C.
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