What mass of f2 is needed to produce 167 g of pf3
Consider the following unbalanced reaction.
P4(s) + F2(g) - > PF3(g)
What mass of F2 is needed to produce 167 g of PF3 if the reaction has a 77.0% yield?
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A 385-L sample of this gas, measured at 23 C and 729mmHg , is burned in an excess of oxygen gas. How much heat, in kJ, is evolved from this combustion reaction?
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Piezometer and a Pitot tube are tapped into a 3-cm diameter horizontal water pipe, and the height of the water columns are measured to be 20 cm in the piezometer and 35 cm in the Pitot tube (both measured from the top surface of the pipe).&
The density of solid sodium chloride, NaCl, is 2.17g/cm3. Use your knowledge of the sodium chloride lattice to calculate the spacing between Na+ and Cl- nearest neighbors, in cm. (Atomic masses (amu) are: Na, 22.99; Cl, 35.45. Also, 1 amu = 1.661
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