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Consider the reaction shown below. PbCO3(s) PbO(s) + CO2(g) Calculate the equilibrium pressure of CO2 in the system at the following temperatures. (a) 260°C atm (b) 500°C atm Note: To find the value of the equilibrium constant at each temperature you must first find the value of G0 at each temperature by using the equation G0 = H0 - TS0 For this reaction the values are H0 = +88.3 kJ/mol and S0= 151.3 J/mol*K
A 15 mL sample of a solution of Pb(ClO3)2 was diluted with water to 19 mL. A 15 mL sample of the dilute solution was found to contain 0.027 moles of Pb2+. What was the concentration of Pb(ClO3)2 in the original undiluted solution.
Sketch a well behaved wave function in 1-d with the labels I. High probability and high kinetic energy, ii low probability and low kinetic energy, ii high kinetic energy and low probability. Which of these (I-iii) will potential energy be highest
A major source of iron is from the mineral magnetite which is 72.4% iron by mass. If magnetite has a density of 5.20 g/cm3, how many cubic meters
Name the type of coupling that happens when two atoms connected through covalent bonds transfer their energy when they ring.
calculate the pressure change needed to completely hydrogenate this substance at room temperature and 50 degrees celcius.
A solution is made my mixing equal masses of methanol, CH4O and ethanol, C2H6O. Determine the mole fraction of each component to at least three significant figures.
identify the type of reaction..Barium chloride + sulfuric acid ---> Barium sulfate (s) + hyrdochloric acid
PbCl_4_ solution reacts with 20.0 mL of (NH_4)_SO_4_, what is the molarity of the (NH_4)_SO_4_?
Converting between Units of Pressure Gases are different from solids and liquids. In a sample of gas, the molecules are far apart. The gas molecules also move around and collide with each other as well as with the walls of the container. These col..
What volume of H2 (at 25oC and 1.00 atm ) can be produced by reaction of 161 g Fe and 202 g of HCl? (Atomic weights: Fe = 55.85, Cl = 35.45, H = 1.008).
If the volume of 0.200 M NaOH needed to neutralize 0.410 g of an unknown acid is 35.0 mL, what is the molar mass of the monoprotic acid
A solution of water (Kb=0.512 C) and glucose freezes at 4.15. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 .
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