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Nitrogen and oxygen forms an extensive series of oxides with the general formula NxOy. What is the empirical formula for an oxide that contains 36.85 % by mass nitrogen?
what is the molar mas of gas if 1.20g of the gas has a volume of 235 mL at STP? A 1.26 sample of He gas has a pressure of .123 atm and volume of 32.6 L. what is the temperature in degrees C?
You have a sealed 8.10 L container with a mixture of nitrogen and helium gas at 25.85 oC. The gas mixture contains 0.204 atm of nitrogen and 1.54 g of helium. Calculate the mole fraction of helium in the container.
A student collected hydrogen in a eudiometer as described above. Barometric pressure is 765.5 Torr, the vapor pressure of water is 22.0 Torr at this temperature and the solution remaining in the eudiometer is 5.75 cm above the water in the beaker
A mixture of 42.0g of CS2 gas and 30.0g of O2 gas is placed in 10.0L closed container and heated to 125 degrees C. The products of complete reaction are carbon dioxide gas and sulfur dioxide gas.
When 25.0 g of Zn reacts, how many L of H2 gas are formed at 25 °C and a pressure of 854 mmHg?
The results of the experiment supported the hypothesis of semiconservative replication, which was proposed by Watson and Crick.
what is the mechanism of how sodium hydroxide reacts with ester (lard) to form cardoxylic acid soap
1.nbspnbspprovide proper iupac names.2.nbspnbspdraw structure of strongest acid in the table provided.3.nbspnbspgive
The vapor pressure of pure liquid A at 300K is 575torr and that of liquid B at 300K is 390torr. The molar volume of A is 0.0262L/mol and that of liquid B is 0.0306L/mol. Calculate the final partial pressures of A and B in the gas phase.
An amphoteric compound exhibits a. acidic properties b. acidic and basic properties c. metallic properties d
what happens when acetate ion reacts with mercuric chcloride? explain with reactions?
The enthalpy of formation of MX2 is ?Hf° = -829 kJ/mol. The enthalpy of sublimation of M is ?Hsub = 117 kJ/mol. The first and second ionization energies of M are IE1 = 717 kJ/mol and IE2 = 1433 kJ/mol.
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