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One mole of an ideal gas, initially at 30 ºC and 1 bar undergoes the following mechanically reversible changes. It is compressed isothermally to a point such that when it is heated at a constant volume to 120 ºC its final pressure is 12 bar. Calculate Q, W, ?U, ?H for the process. Assume CP = 7/2 R and CV = 5/2 R
the following ions contain the same number of electrons. rank them in order of decreasing ionic radii.rank from largest
What is the smallest possible integer coefficient of S in the combined balanced equation and compute the final pressure in the tank if nothing else is altered in the surroundings.
Draw the configurational isomers of 1-bromo-4-methylcyclohexane. (b) Draw the conformational isomers of the structures drawn in (a).
What concentration of CrO4-2 is needed to precipitate as much Ba+2 as possible without precipitating the Ca+2. (BaCrO4:Ksp=2.1x10^-10; CaCrO4:Ksp=7.1x10^-4)
A reaction in water causes the water in beaker to cool from 25 degrees Celsius to 21 degrees Celsius. The volume of water 150ml (d=1.0g/ml). What is the heat absorbed by the reaction?
what are the respective concentrations m of fe3 and i- afforded by dissolving 0.200 mol fei3 in water and diluting to
Rhodium has a density of 12.41 g/cm3 and crystallizes in a face-centered cubic lattice. Calculate the radius of a rhodium atom?
Urea ((NH2)2CO) can be formed from ammonia and carbon dioxide as shown in the following reaction. ?H° value for this synthesis is -134.0 kJ, and ?S° is -424.0 J/K. Calculate the ?G°f for urea. 2NH3(g) + CO2(g) ? (NH2)2CO(s) + H2O(l)
To calculate the concentration of protein is it 10/990 or 10/1000? And does the original concentration of solution even matter when calculating the solution concentration?
consider 4.50 of a gas at 365 and 20. if the container is compressed to 2.90 and the temperature is increased to 35
What is the concentration (in M) of the nitrate ion when 17.3 mL of a 0.633 M solution of potassium nitrate is combined with 15.3 mL of a 0.662 M solution of aluminum nitrate to a final volume of 48.1 mL
What concentration of SO32- is in equilibrium with Ag2SO3(s) and 7.10 × 10-3 M Ag. The Ksp of Ag2SO3 can be found here.
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