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A gas mixture contains helium and oxygen at partial pressure of 255 torr and 0.450 at. What is the total pressure in mmHg of the mixture after it is placed in a container 1/2 the volume of the original container?
Some alloys of early and late transition metals (e.g., ZrPt3) have much higher enthalpies of vaporization (per metal atom) than either of the pure metals
Demonstrate that L^2and Lzcommute withanyHamiltonian (for a single particle) for which the potential energy is spherically symmetric
calculate the heat absorbed or lost by the aqueous solution qaq in joules assuming that the specific heat capacity
What would be the observed rotation of a mixture of Oklahomane that is 98 parts (S)-Oklahomane and 2 parts (R)-Oklahomane
Which of the flasks contains the least total ion concentration?
Putting together titration lab to determine concentrations of calcium phosphate, citric & ascorbic acid
Calcium chloride (CaCl2; very soluble) has been sold as a more effective de-icer than NaCl to spread on icy sidewalks. What would be the ionic strength of a solution
If a random sample of this element collected from the tail of a comet has an weighted average atomic mass of 10.788 amu, what is the percent abundance of the lower-mass isotope?
When burned in oxygen, 10.0 g of phosphorus generated enough heat to raise the temperature of 2950 g of water from 18.0oC to 38.0oC. The heat of formation of P4O10 from P4(s) and O2(g) is:
Rhodium has a density of 12.45 g/cm3. This metal crystallizes in a face-centered cubic unit cell. Calculate the diameter of a rhodium atom?
Calculate the mass percent of carbon in the compound and calculate What is its final temperature
During the preparation of a solution, a solute is dissolved in a volume of solvent smaller than the desired volume of solution. Subsequently, solvent is added until the final volume of solution is reached
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