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The standard enthalpy of atomization of an element is the energy necessary to convert one mole of an element in its stable form at 25 degree Celsius to one mole of monoatomic gas. As long as the standard enthalpy of atomization of sodium is 108.5KJ/mole, compute the energy in kilo joules necessary to convert 5.60 mole of sodium metal at 25 degree Celsius to 5.60mole of gaseous Na+ ions the ionization energy of Na gas is 495.9KJ/mole
If the volume of the cylinder is 5500 mL and the pressure of the N2 in it is 2.5 atm. (temperature is 25oC) a. How many moles of nitrogen molecules are in the cylinder
What is the purpose of washing the products of a dehydration of 2-Methylcyclohexanol with saturated aqueous sodium chloride and saturated aqueous sodium bicarbonate
What is the difference (in pH units) between the initial pH of a 0.20 M NH3 / 0.20 M NH4Cl buffer to the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 65.0 mL of the buffer
what is the total volume occupied by the metal and the water in the graduated cylinder? 2.How could the density of a substance that was soluble in water, be determined?
Calculate the molarity of 736 mL of a solution that contains 153 g of sucrose C12H22O11.
A 64 L sample of dry air is cooled from 137°C to -20.°C while the pressure is maintained at 2.85 atm. What is the final volume
Calculate how much heat is required to added or removed to convert 100.0 g of steam at 115 0C to liquid water at 65 0C?
What is the pressure of the excess gas when the reaction is complete if 5g of H2 and 10g of O2 react in a 15L container at a constant temp of 25 degrees C? I understand
A beaker with 1.70×102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 6.20 mL of a 0.490 it M HCl solution to the beaker. How much wi..
the concentration of a dye and concentration of bleach naoh was determined experimentally by using beers law. the rate
The electron configuration of carbon atom 1s^2 2s^2 2p^2. which of the following term symbols may not exist (^3S1 or ^1S0) explain
You find a log that could be spruce or birch. In order to figure out which is, you put the log in a big bucket and find that it displaces 2.7 gallons of water and it weighs 19.8 lbs. Is it spruce or birch? (Density of spruce 0.9 g/cm^3, birch 0.4 ..
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