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The heat capacity of Hydrogen may be represented by Cp= (1.554 + 0.0022 T) J/Kmol. Compute the entropy changes for the system, surroundings and the universe for the (a) reversible heating, as well as (b) irreversible heating of 1.0 mole of hydrogen from 300K to 600K. In (b) presume the surroundings to be at 600 K.
a gas with a pressure of 1.33 atm is transferred to a container with twice the volume and the temperature was tripled.
A cylinder, with a piston pressing down with a constant pressure, is filled with 2.00 of a gas (), and its volume is 42.0 (). If 0.500 of gas leak out, and the pressure and temperature remain the same, what is the final volume of the gas inside th..
how many grams of sodium lactate must be added to a 1.00l solution of .400m lactic acid to make a buffer with a ph of
If 56.4 mL of BaCl2 solution is needed to precipitate all the sulfate ion in a 748 mg sample of Na2SO4, what is the molarity of the solution?
The combustion of gasoline produces carbon dioxide and water. Assume gasoline to be pure octane and calculate the mass (in ) of carbon dioxide that is added to the atmosphere per 1.7 of octane burned
A certain atom has a doubly degenerate ground level pair and an upper level of four degenerate states at 450 cm?1 above the ground level. In an atomic beam study of the atoms it was observed that 30 per cent of the atoms
a manufacturer of bicycles has 4819 wheels 2305 frames and 2250 handlebars. how many wheels are left over? how many
A solution is prepared by dissolving 49.3 g of of KBr in enough water to form 473 mkof solution. calculate the mass % in the soulutionif the density is 1.12 g/mL
If the concentration of CO in the equilibrium mixture is 0.2 M, what mass of methanol was initially introduced into the vessel?
how many grams of sucrose C12H22O11 must be added to 522g of water to give a solution a vapor pressure 2.0mmHg less than that of pure water at 20 degrees celsius
Describe how you expect to convert the intensities recorded by the spectrometer into energies.
In a calibration of a calorimeter, 50.0 g of water at 60.0 c is added to 50.0 g of water at 20.0 c to give a mixture at 39.0 c. what is the heat capacity of the calormieter used in this experiment. If calorimeter has a mass of 5.4 g, what is it sp..
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