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Rank the diffusion coefficients from least (1) to greatest (4) for the following cases. Assume the temperature is the same for all cases. 1-4 Interdiffusion C in gamma-Fe (FCC) Self diffusion of Fe in alpha-Fe (BCC) Interdiffusion of C in alpha-Fe (BCC) Self diffusion of Fe in gamma-Fe (FCC)
An organic liquid is a mixture of methyl alcohol and ethyl alcohol. A 0.220g sample of the liquid is burned in an excess of O2(g) and yields 0.342 g CO2(g). What is the mass of methyl alcohol in the sample?
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose a can contains a residual amount of gas at a pressure of 755mm Hg and a temperature of 25 C
Calculate Ka and Original Concentration of Weak Base, You have a solution of a weak base, the pH of which is 10.7532. If 10.000 mL of this solution will neutralize 6.655 mL of 0.07667
Dinitrogen pentoxide, N2O5, decomposes in the gas phase to form nitrogen dioxide, NO2, and oxygen gas, O2. The reaction is first order in dinitrogen pentoxide and has a half-life of 2.81 hours at 25 C.
Which of the following compounds will produce an acidic solution when dissolved in water? What is the OH- (hydroxide ion) concentration in a solution with pOH = 2.45.
What is the molar mass of the unknown gas? Express your answer to four significant figures and include the appropriate units.
A rigid flask is initially filled with 4.00 atm of NO2(g) and no N2O4(g) at 100 C. After equilibrium is achieved, the pressure of NO2 is 1.56 atm.
A compound is constituted by mass of 22.6% phosphorus, the rest being chlorine. Given that a volume of 307 mL of the gas has a mass of 1.55 g at 25 °C and 90 kPa, find the molecular formula for this compound
A medical patient has the ball section of his femur replaced with a titanium implant. Assuming the implant is a perfect sphere with a radius of 1.5 inches
Na3PO4+CaCl2 ---> Ca3(PO4)2+NaCl if 0.996 g of Na3PO4 are provided, how many grams of Ca3(PO4)2 should be formed?
A solution was prepared by mixing 50.00 mL of 0.190 M HNO3 and 124.00 mL of 0.150 M HNO3. Calculate the molarity of the final solution of nitric acid.
While shutdown, the core accidentally went critical and the reactor pressure vessel rose in temperature and was hot for two hours, but all instrumentation has failed and no one is sure what the temperature was.
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