Calculate the heat of formation of p4o10
Determine the heat of formation of P4O10(s) under these conditions when 10.00g of phosphorus is burned in O2 (g) to produce the P4O10 (s), enough heat is generated to raise the temperature of 2950 g of water from the18.0 degrees C to38.0 degrees C.
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A particle having a charge of -1 x 10-6 C and a mass of 24 g moves uniformly with the speed of 4 m/s in a circular orbit around a stationary particle of charge 7 x 10-6 C. Compute the radius of the orbit.
Compute a 5.43g mixture of Fe3O4 and FeO. You reacts this mixture with an excess of oxygen to form 5.779g of the Fe2O3. Determine the percent by mass of FeO in the original mixture.
White light (ranging in wavelengths from 380 - 750 nm) is incident on the metal with work function Wo = 2.67 eV. (i) Determine the maximum kinetic energy of the electrons emitted from the surface?
Explain what mass of LP gas is necessary to heat 1.4 L of water from room temperature (25.0 oC) to boiling (100.0oC)? Suppose that during the heating, 15% of the heat emitted by the LP gas combustion goes to heat the water when the rest is los
Determine the heat of formation of P4O10(s) under these conditions when 10.00g of phosphorus is burned in O2 (g) to produce the P4O10 (s), enough heat is generated to raise the temperature of 2950 g of water from the18.0 degrees C to38.0 de
If Unpolarized light is incident on the polarizer-analyzer pair, 31 % of the original light intensity passes the analyzer. Find out the angle among the transmission axes of the polarizer and analyzer?
If we wish for to duplicate this interference or diffraction pattern with mono-energetic electrons of mass me = 9*10-31 kg, Determine what would be the kinetic energy of one of such electrons have to be?
Calculate the electron-repulsion energy from the experimental IE values (next lecture) and compare it with the value obtained in the 2. Comment on the actual effective distance between the electrons in the ion as compared to their separation in th
Determine the numbers of mL of 0.1 M HCl are needed to react totally with a 1g mixture of Na2CO3 and NaHCO3 which is having the equimolar amounts of both?
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