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A certain perfect gas has Cv,m = a + bT where a = 25.0 J mol-1 K-1 and b = 0.03 J mol-1 K-2. Let 4.00 mol of this gas go from 300 K and 2.00 atm to 500 K and 3.00 atm. Calculate each of the following quantities for this change of state. If it is impossible to calculate a quantity from this given information, state this. (a) q; (b) w; (c) ?U; (d) ?H.
A blast furnace is the main unit in the production of iron from iron ore. One can view the blast furnace as a process in which the principal desired reaction is:
Describe and explain the possible effect on your results of the following experimental errors or variations. In each case specify the component(s) whose percentage(s) would be too high or too low.
What is the minimum pressure in kPa that must be applied at 25 °C to obtain pure water by reverse osmosis from water that is 0.154 M in sodium chloride and 0.030 M in magnesium sulfate. Assume complete dissociation for electrolytes.
What fraction of the spherical atomic volume is occupied by the nucleus? What fraction of this atom's mass is contributed by its nucleus?
A .10M solution of the weak acid HCN has an equilibrium constant of 4.9 X 10^-10. Calculate the percent dissociation of the acid
What is the limiting reactant when equal masses of iron(III) nitrate and potassium phosphate react in solution?
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.
What is the hydroniem ion concentration in a solution resulting from mixing 193mL of .100M HCN and 22mL of .100M KOH at 25C? Ka for HCN=4.9x10-10
Hydronium ion concentration using Henderson-Hasselbalch equation - What is the hydronium ion concentration of a solution
At an altitude of 30 km, the temperature in the stratosphere is approx. -45.3 degrees F. What is the average kinetic energy of a single CF2Cl2 molecule at this temperature?
What is the percent by mass of oxygen in a gaseous mixture whose molar composition is 0.500% CO2 and 99.500% air? The composition of air is 21% mole O2
Write a balance equation for each of the following reactions and identify the type of reaction: a) Solid potasium chlorate is heated to form solid potassium chloride and oxygen gas; b) Carbon monoxide gas and oxygen gas combine to form carbon diox..
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