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When heated to 150 Degree Celsius, CuSO4· 5H2O loses its water of hydration as gaseous H2O. A 2.73 g sample of the compound is placed in a sealed 4.00 L steel vessel containing dry air at 1.00 bar and 27 degree Celsius and the vessel is heated to 227 degree Celsius. What is the partial pressure of H2O (in bar)?
How fast must a 143.5 baseball travel in order to have a de broglie wavelength that is equal to that of an xray photon with landa = 79.0 pm? what is the energy level?
A 782 mL gas sample at STP is compressed to a volume of 131 mL, and the temperature is increased to 22?C. What is the new pressure of the gas in Pa?Answer in units of Pa.
which of the following shows the acids in order from strongest to weakest? The order of atomic radii is I > Br > Cl
A block of metal has a width of 3.2 , a length of 17.1 , and height of 4.2 . Its mass is 1.5 . Calculate the density of the metal.
When one mole of hydrogen iodide(HI) is stored in a 1-liter container at 444 oC, 22 % of HI wil be dissociated at equilibirum. Calculate the equilibrium constant of the reversible reaction of hydrogen iodide (HI)at 444 oC.
You have 250.0 mL of 4.00 M sugar solution. You add 319.7 mL of water to this solution. Determine the concentration of the sugar solution after the water has been added.
After the resulting reaction was complete, back titration required 10.40 mL of 0.1212 M NaOH. Assuming that the tablet contained only calcium carbonate and an inert binder calculate the mass of calcium carbonate and mass percent of calcium carbona..
Calculating Pressures using different laws, Converting between Units of Pressure, Part A, Convert 0.700atm of pressure to its equivalent in millimeters of mercury.
in a reaction mechanism the atom that gives away electron in a nutral nucleophile will end up as an, Cation or Radical or Anion?
Is there enough info to calculate the pressure of gas if the barometric pressure is 755 torr and if so what is the answer
determination of io3- in the saturated solution of caio32 in pure water solvent. 10.00 ml of the saturated solution of
Calculate the mass defect in Fe-56 if the mass of an Fe-56 nucleus is 55.921 amu. The mass of a proton is 1.00728 amu and the mass of a neutron is 1.008665 amu. Answer 3.507 amu 1.056 amu 0.079 amu 0.564 amu 0.528 amu
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