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A chemistry graduate student is designing a pressure vessel for an experiment. The vessel will contain gases at pressures up to 210.0 MPa. The student's design calls for an observation port on the side of the vessel (see diagram below). The bolts that hold the cover of this port onto the vessel can safely withstand a force of 6.20 MN. Calculate the maximum safe diameter w of the port
what are the expected impurities in acetophenetidin synthesis?
Given the following thermochemical equations, C2H2(g) + 5/2 O2(g) -----> 2CO2(g) + H2O(l) enthalpy = -1299.5 kJ
Calculate the relative amounts of 1-chloropropane and 2-chloropropane obtained by the radical chlorination of propane, using this relative rate of reactivity.
calculate the percent (by volume) of air that is displaced if all of the liquid nitrogen evaporates.(liquid nitrogen has a density of 0.807 g/mL)
determine partial pressure and number of moles of each gas in a 17.25 L vessel at 30 degrees celsius containing a mixture of xenon and neon gases only.
A reaction in which A,B ,C and react to form products is first order in A, second order in B, and zero order in C. What is the overall order of the reaction?
An automobile gasoline tank holds 49kg of gasoline. When the gasoline burns, 172kg of oxygen are consumed and carbon dioxide and water are produced.
weak base so you must consider other equilibria. (Ksp(ZnC2O4)=7.5X10^-9, Kb1=1.8X10^-10, Kb2=1.8X10^-13). Solve using systematic treatment of equilibrium.
The dissociation constant (Kd) for the complex is 4.00E-7. Find the absorbance at 550 nm of a solution prepared by mixing 50.0 ml of 2.00 mM A and 50.0 ml of 5.00 mM B. assume the absorbance is measured with a 1.00 cm cuvette.
Balance the equation below using the smallest whole numbers for coefficients assuming the redox reaction occurs in acid solution. Add water where appropriate
If you used 8,400 kilojoules you expend in energy in one day to heat 49,000 grams of water at 18 degrees celcius, What would be the rise in temp?, and What would be the new temp of the water?
Verify the first equality in R (beta(delta e)^2e^Beta(delta e)/[e^Beta(delta e)-1]^2 using the chain rule, and then verify the second equality in the same bolded equation by evaluating the derivative with respect to Beta
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