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A saturated gaseous organic molecule is formed by replacing all hydrogen atoms with an unknown combination of F, and Cl atoms. The percent mass of Cl in the organic compound is 57.0%. Suppose that a sample of this gas weighing 0.270 g has a volume of 35.76 mL, a temperature of 23.2 C, and a pressure of 754.6 mmHg. Assuming ideal gas behavior determine the molar mass of the gas and its molecular formula.
Determine the empirical formula of a hydrocarbon which has 92.24% C and 7.76% H. If 0.500 g of this hydrocarbon occupies 0.086 L at STP, determine the molecular weight of the compound.
Rubidium has two naturally occuring isotopes. The relative abundance of rubidium-85 is 72.17%; its atomic mass is 86.91 amu. Determine the average atomic mass of rubidium.
Using oxidation and reduction half-reactions, balance the skeletal equation: N_2H_4(g) + ClO_3 -(aq) --> NO(g) + Cl-(aq) of hydrazine with chlorate ions.
Calculate the minimum chloride ion concentration needed to initiate precipitation of PbCl2 from a solution that contains 0.01M Pb^2+ (aq).
what is the value of Kp for this reaction at this temp? what wold be the effect of an increase in pressure on the amount of SO_3 produced? what wold the effect of an increase in temp on the amount of SO_3 produced? (use relevant data from Appendix..
Ammonia burns in pure oxygen and reaction produces nitrogen and water. What is the amount of Nitrogen produced from 45.0 g NH3?
Identify the most stable arrangement of the regions of high electron density. Diagram and name the type of structure that the molecules has based on positions of the atoms.
If 12.5 g of CCl3F is enclosed in a 1.1 -,L container, will any liquid be present? What is the mass of the liquid?
If someone can go in depth into finding the Ka to this and then guiding me through the rest of the steps, I'd be eternally grateful
combustion of 1.031g of a compound containing only carbon, hydrogen and oxygen produced 2.265g if carbondioxide and 1.236g of water. What is the empirical formula for the compound?if the molecuar weight is 180.3g, what is the molecular formula?
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.076 moles of sulfuric acid is mixed with water to make 670 mililiter of solution, what is the molarity of H+?
During a photochemical smog episode in a coastal city, the steady-state concentration of oxygen radicals at ground level was measured to be 0.09 ppmv at 25 degrees celsius.
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