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The value that should be reported for the number of moles of gas calculated from the ideal gas equation given the following data (R = 0.08206 L•atm/mol•K, P = 76.00 cmHg, V = 1.000 L, and t = 1°C) is
The change in the Gibbs energy of a certain constant-pressure process as a function of temperature was found to fit the expression ?G (J K-1)=-73.1 J +42.8T. Calculate the value of S for the process.
If the mixture contained 56 grams CO2, 3.04 mol CO and 9.03 X 1023 atoms of argon, the partial pressure of argon would be about
0.80 g of hydrogen chloride (HCl) is dissolved in water to make 5.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
If a 210 mg piece of gold (density =19.32 g/cm^3 ) is hammered into a sheet measuring 2.5 x 1.0 ft , what is the average thickness of the sheet in meters?
The diameter of a rubidium atom is 4.95A . We will consider two different ways of placing the atoms on a surface. In arrangement (a), all the atoms are lined up with one another.
A sample of blood plasma occupies .550 dm3 at 0 degrees C and 1.03 bar, and is compressed isothermally by 0.57 per cent by being subjected to a constant external pressure of 95.2 bar. Calculate w.
What can you conclude from a graph where the plot of ln p (pressure) versus t (time) is linear instead of curved? (for conversion of methyl isonitrile into acetonitrile)
The wavelength is 6100 Angstrom and the stopping potential is 0.5(eV). calculate the Photon Energy(eV) and Work function(eV).
The combustion reaction produces 2.3x104 J of heat energy. As the gaseous products expand they push against a piston which increases the cylinder volume to 55.0 L.
Use resonance forms to show the delocalization (over four carbons atoms) of the positive charge of the benzyl cation
A 800 mL sample of a saturated aqueous solution of calcium oxalate, CaC2O4, at 95 degrees C is cooled to 13 degrees C. How many milligrams if calcium oxalate will precipitate?
Need explanation: In ionizing bases, the reaction of sodium hydroxide in water is Ca(OH)2 (s) = Ca2+(aq)+2OH-(aq) First of all, how do I know that Ca(OH)2 is sodium hydroxide
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