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Dalton law of partial pressure.
Helium is mixed with oxygen gas for deep-sea divers. Calculate the percent by volume of oxygen gas in the mixture if the diver has to submerge to a depth where the total pressuer is 4.2 atm. The partial pressure of oxygen is maintained at 0.20 atm at this depth.
calcium chloride solution to give a new solution in which [Cl^-1] is .52 M, what is the concentration of the calcium chloride used to make the new solution?
An emerald gemstone is an impure form of the mineral beryl, Be3Al2Si16O18. What is the percentage of silicon in the mineral
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCl, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make 500.0 mL of a pH = 9.80..
A colorless liquid A (C3H6O) was soluble in water and ether, and had a boiling point of 94-96 degrees C. it decolorized a Br2-CH2Cl2 solution and gave a positive ceric nitrate test, Treatment of Compound A with ozone, followed by hydrolysis in the ..
A hydrated compound contains 1 mole of cation M, 3 mole of anion A, and 2 moles of water. The correct formula is
you are charged to do a study on the amount of intimate partner violence on a midwestern college campus. there are
An equilibrium mixture contains N2O4 , (P= 0.27 ) and NO2 (P= 1.0 ) at 350 K . The volume of the container is doubled at constant temperature.
Use the octet rule to predict the formula of the simplest compound formed from hydrogen and silicon.
What fraction of thiocyanate ion is accually converted into the complex ion?
write a chemical equation for the formation of Na and N2 from sodium azide
A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the final number of microstates is 0.617 times that of the initial number of microstates?
Is there a list of hazardous or safe chemicals for Thailand? Where can I find it?
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