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34 charges of +13 micro-coulombs and 14 charges of -13 micro-coulombs lie on the perimeter of a circle with a radius of 2.5 m (not a large circle). What is the electric potential energy of a charge of -17 micro-coulombs placed at the center of the circle due to the charges on the perimeter, in Joules? If negative, include a negative sign.
The original volume (before the .406 mole C(g) begins to decompose) is 10.00L. What is the volume in the cylinder at equilibrium?
What is delta S if 3.00 moles Pb is cooled from 200 °C to 25 °C {J/K}? (B)What is the molar S° (473 K) if the value at 25 °C is 26.44 J•mol -1 •K -1
What is the complete ionic equation for the reaction of K with H2O. Identify the reducing and oxidizing agents and the oxidation
How much work is done when an external pressure of 4.7 atm compresses a chamber from 17.3 liters to 1.1 liters? Please answer in units of kJ.
Calculate the specific heat capacity of a sample liquid if this 100 g sample of an unknown liquid absorbs 2000 J of heat energy, raising the liquid's temperature from 50 degree Celsius to 70 degree Celsius?
Calculate the expectation value for the kinetic energy of the H atom with the electron in 2s orbital. Compare your result with total energy
Determine the mass of silver chloride is produced from 75.0 grams silver nitrate
from your understanding of collniative properties how would you design an experiment to measure the freezing point of a
By using photons of specific wavelengths, chemists can dissociate gaseous HI to produce H atoms with accurately known speeds. When HI dissociates, the H atoms move away rapidly, whereas the relatively heavy I atoms move little
Initially a mixture contains 0.795 mol each of N2 and O2 in an 8.00 L vessel. Find the equilibrium composition of the mixture at 3900 degrees Celcius.
if the temperature of the aqueous ammonium chloshyride system in part b were to be increased to 30c predict how the
Problem- The half life of iodine 131, also called radio iodine is 8.02 days. How much iodine-131 will remain after two half lives in a sample that initially contains 5.0g of the nuclei de. Please give detailed explanation.
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