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Compute the change in entropy for 0.5moles of an ideal gas with a temperature independent specific heat capacity of cp, m=2R that undergoes an irreversible change between each pair of states listed below.
a. (10 atm, 0.1L) -->(2.5 atm, 0.4L)
b. (100K, 3 L)-->(150K, 2L)
a 43 l tank contains a gas under a pressure of 369 atm. what volume would the gas occupy at the same temperature at 710
How many grams of magnesium oxide are formed when 16.4 of oxygen gas, measured at STP, completely reacts with magnesium metal according to this reaction
It takes 64 mL of .124 M KOH to neutralize 25.6 mL of H2SO4 solution. What is the concentration of the H2SO4 solution?
What is the total pressure in a 25.0 L flask 20.0°C, which contains 0.127 moles of H2 and 0.288 moles of N2?
the electron-state H atom absorbs a photon of wavelength 93.78 nm. To what energy level does the
At 1.00 atm and 23 degrees C, how many liters of carbon dioxide are formed by the combustion of 3.60 g of butane
The volume of a gas sample is 650. mL at STP. What volume will the sample occupy at 25.0°C and 950. torr pressure.
A 15.0-g sample of a hydrocarbon is placed in a balloon at 1.00 atm and 25°C, and the volume of the balloon is 12.2 L. The hydrocarbon is 79.89% carbon and 20.11% hydrogen by mass.
What exactly are myosin, actin, troponin and tropomyosin chemically?, What molecule releases energy when its bonds are broken. Which bonds are broken to release that energy?
an adult person radiates heat to the surroundings at about the same time as a 100-watt lightbulb. what is the total amount of energy in kcal radiated to the surroundings by an adult in 24 hrs?
How many grams of solid aluminum sulfide can be prepared by the reaction of 11.4 g of aluminum and 17.0 g of sulfur
Given the values of ?Hfo in kJ/mol and So in J/mol K given below, calculate the value of ?Go in kJ for the reaction at 298 K.: NH4Cl(s) => HCl(g) + NH3(g) ?Hfo (NH4Cl) = -312.4 ?Hfo (HCl(g)) = -91.5 ?Hfo (NH3) = -44.5 So NH4Cl(s) = 93.9 So HCl(g) ..
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