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Presume the radius of an atom in a face-centered cubic unit cell is 0.10 nm. Explain what is the edge length of the unit cell in nm.
energy content of gasoline is about 46 mjkg or about 37 mjliter. a small car with engine of specified capacity e.g. say
250 ML of a saturated aqueous solution of CaF2 at 25 degrees celsius is found to contain 0.0040 g of dissolved CaF2. Find Ksp of CaF2 in water at 25 degrees celsius.
It is desired to inflate a baggie with a volume of 959 milliliters by filling it with hydrogen gas at a pressure of 0.544 atm and a temperature of 284 K. How many grams of H2 gas are needed?
A ballon is filled with H2 gas and has a pressure of 1.10 atm, volume of 10.2L, and a temp of 298 K. How many grams of H2 gas are in the sample
How many moles of solute particles are present when 0.25 moles of CaSO4 is dissolved in water
extrapolate this "cooling curve" back to the time of addition and find that the "final temperature" after mixing is 37.9 °C. What is the heat capacity of the calorimeter cup
a first order reaction has an arrhenius constant for the reactionis 4.8 x 1011 sec -1 and an activation energy of 61.4
describe the nature and characteristics of pcbs. why are they of importance to an ehamps or fs professional who
What is the half-life of a compound if 87 percent of a given sample of the compound decomposes in 72 min. Assume first-order kinetics.
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
Using the information on the mass of a proton, mass of an electron and the sizes of the nucleus and the atom, calculate the densities of a hydrogen nucleus and hydrogen atom.
What do you expect will happen to the position of this equilibrium when the total pressure of the gases in the reaction mixture is doubled by injecting some argon (Ar) while maintaining the temperature constant.
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