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A mixture of hases contains 0.330 mol CH4, 0.230 mol C2H6 and 0.270 mol C3H8. The total pressure is 1.55 atm. Compute the partial pressures of the gases.
Water in an enclosed vessel at 17°C contains a concentration of dissolved oxygen of 6 mg/L. At equilibrium, determine the concentration of oxygen in the space above the water in molal fraction. and the total pressure in the vessel. Henry's law con..
Calcium crystallizes with a body-centered cubic structure a) how many Ca atoms are contained in each unit cell? b)how many nearest neighbors does each Ca atom posses
A hydrocarbon is burned in an excess of oxygen to give 1.32g of carbon dioxide and 0.72g of water. What is the empirical formula of hydrocarbon
you have a 5.68 g sample of a compound with the formula xcl2 where x is a metal cation. when the sample is treated with
The oxidation of HSO3? by O2 in aqueous solution is a reaction of importance to the processes of acid rain formation and flue gas desulfurization.
Depict the general trends in the second ionization energy of an element as a function of its atomic number, over the range Z=1-20. Label the minima as well as maxima on the graph with appropriate element symbol.
How are the nf and ni values calculated for a Hydrogen Gas Discharge Tube's visible emission spectra
The empirical formula is NO2. If the molar mass is 92g/mol give the molecular formula. Please explain.
Calcium nitrate and ammonium fluoride react to form calcium fluoride, dinitrogen monoxide, and water vapor.
How much limestone must be decomposed by heating to produce 150.0 grams of lime, CaO?assuming that the limestone contains 85.0% pure CaCO3.
The molality of the solution is determined to be .0480m. What is the molar mass of the substance?
How many milliliters of O2 measured at 24C and 757mmHg , are released from solution in the first minute of the reaction? Please find volume
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