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a gas mixture containing oxygen, nitrogen, and neon exerts a total pressure of 1.20 atm. If helium added to the mixture increases the pressure to 1.50 atm, what is the partial pressure (atm) of the helium?
Molten carbonate fuel cells fueled with H2 convert as much as 60% of the free energy relased by the formation of water from H2 and O2 into eletrical energy.
A gas held at 798 mmHg in a 400 mL flask is released into a 3 L flask.Whats the new gas pressure?
The dired sludge is 95% solids (5% water), and the liquid stream contains 8% solids. What is the quantity of dried sludge, and what is the liquid and solids flow in the liquid stream?
"Crossed" or "mixed" aldol condensations are practical for synthesis, if one of the aldehydes (or ketones) has no alpha-hydrogen atoms. Explain.
Arrange the following elements in order of increasing ionization energy, and explain how you know the order
Calculate the pressure of dry oxygen. If the total pressure of oxygen generated over water is measured to be 638 torr and the temperature is 22 degress celcius?
If 1.87 g of acetic acid(CH3CO2H) reacts with 2.31g of isopentyl alcohol(C5H12O) to give 2.96 gm of isopentyl acetate(C7H14O2)
Calculate the entropy change of the surroundings associated with this heat transfer. Assume the weight of an average adult is 80.0 kg.
A 25.0 mL sample of 0.150 M nitrous acid is titrated with a 0.150 M NaOH solution. What is the pH at the equivalence point? The Ka of nitrous acid is 4.50 x 10-4.
The pH of uncontaminated rain water is about 5.6. The pH of rain falling in Cleveland, OH is 4.2 and that in Omaha, NE is 5.5. What is the concentration of hydrogen ions in the rainfall of each city? [H] 6.3 ^ -5 for Cleveland.
Thermal decomposition of 5.00 metric tons of limestone to lime and carbon dioxide requires 9.00 x 10^6 kJ of heat.
Consider the titration of a 25.0 mL sample of .125M RbOH with .105M HCl. Find the initial pH.
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