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For deeper-water diving, mixtures of He and O2 are used in scuba tanks to minimize chances of getting "the bends." For the upcoming dive He and O2 were pumped into a 5.0L tank. The starting volumes, temperatures, and pressures of the gases put into the tank were as follows:
He: 25°C, 1.0 atm, 46 L
O2: 25°C, 1.0 atm, 12 L
Calculate the total pressure (in atm) in the tank at 25°C. Hint: you will first need to calculate the number of moles of each gas added.
iron has a reported average atomic mass of 55.85 amu. if iron has two isotopes one of which has 29 neutrons and an
The boiling point of a solution containing 10.44 g of an unknown nonelectrolyte in 50.00 g of acetic acid is 159.2°C. What is the molar mass of the solute?
Describe the Bohr effect in oxygen binding by hemoglobin, including all structural
a 0.20 solution of is used to titrate 28.0 of a solution of unknown concentration. if 160ml of hcl is required what is
A list of compiled anhydrous masses for Na2CO3, CaSO4, and MgSO4 and I have to find the molar ratio of these anhydrous masses. The compiled list is from every section of chemistry, Different masses for different dates for each of the anhydrates
suggest a procedure you could follow to determine whether it was necessary to use this solution as a reference or whether distilled water would have been just as satifactory
Rate Constant with Temperature Changes, Rearrangement of methyl isonitrile to acetonitrile has activation energy of 25.0 kJ/mol and a rate constant of 8.1*10^-4s-1 @ 80 Celsius.
Calculate the concentration (molarity) of iron in a dilutedsolution if 5.00 mL of 5.0x10^-4 M Fe(NH4)2(SO4)2 6H2O isdiluted with water to 100.0 mL.
Write an equation for the ionization of each of the following amines in water. Consider if you need a double or single arrow ethylamine
what chemical process occurs in the muscle cells to cause this discomfort and what chemical reactions have possibly taken place in the the body after the exercise. What possible treatments could be done for this person and how would the treatments..
A chlorine-oxygen compound is found to have a chlorine to oxygen mass ratio of 1.109. Which of the following chlorine to oxygen mass ratios is possible for a different chlorine-oxygen compound
The enthalpy of vaporization of ethanol is 38.56 kJ/mol. It has a boiling point of 351.44 K. What is the difference in entropy between ethanol's liquid and gaseous states at 351.44 K. What I'm asking is what is the size of the "jump" on the Sm ver..
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