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3.00 moles of an ideal gas in an initial state T1 = 300 K and P1 = 0.50 bar undergo an isothermal compression until the pressure of the system is four times the original pressure. The process may occur in two ways:
(a) reversibly.(b) against a constant external pressure Pext equal to the final pressure P2 of the gas.For both cases calculate (Delta G) in the process.
How many milliliters of 12.6 M HCl solution are needed to obtain 0.105 mol of HCl?
Calculate the radius of the metal atom. A hypothetical metal has a face-centered cubic unit cell with the edge length of 4.943 Å.
Which statement about alcohols is not correct?
How many total atoms are there in each unit cell? (b) What is the volume of one unit cell in Å3? (c) Assuming that the atoms are spheres and the radius of each sphere is 1.64 Å
The density of benzene at 25.0 degrees C is 0.879g/cm3. What is the volume in liters of 2.5 kg benzene?
an 8 g sample of a copper ore was dissolved in an acid solution and then reacted with NO3- from a KNO3 salt solution. it required 71.5 ml of a .155 M KNO3 solution to fully react the copper in the ore sample.
a cylinder measuring 3.4 cm wide and 4.0 cm high is filled with gas. The piston is pushed down with a steady force measured to be 275 kpa
The international unit for weighing diamonds and determine the volume of a 0.76 carat diamond if The density of diamond is given=3.51 g/cm3 ?express your answer in units of cm3
what is the root mean square distance travelled by an iodine molecule in benzene at 25 Celcius in 1.0 seconds.
Calculate the Gibbs free energy (in kJ/mol) at 80 degrees celsius. Assuming that the change in enthalpy is negligible over this temperature range
how much heat is required to raise the temperature of 789 g of acetic acid from 25 degrees celsius to 82.7 degrees celsius? Specific heat = 2.05 J/gdegreeCelsius
If 75 g of liquid water (C = 4.18 J/g-oC) in a calorimeter changes temperature from 25°C to 75°C, how much heat was transferred? Use the equation C = q/mT.
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