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what is the theoretical yield of zinc iodide, if a 2.0-g sample of zinc was used with 6.5 grams of iodine.
What is the minimum external voltage one must supply in order to perform the electrolysis of molten CaCl2. Show work, explain, and suggest a means for supplying this energy.
How fast must a 143.5 baseball travel in order to have a de broglie wavelength that is equal to that of an xray photon with landa = 79.0 pm
Find the ?H for the reaction below, given the following reactions and subsequent ?H values: PCl5(g) ? PCl3(g) + Cl2(g)
Show your work in finding the mass of the nitrogen collected, The original sample, which decomposed to produce the nitrogen gas, weighed 0.1198 g. Find the percent nitrogen in the sample
When 0.577 L of Ar at 1.20 atm and 227°C is mixed with 0.296 L of O2 at 501 torr and 127°C in a 400. mL flask at 27°C, what is the pressure in the flask
The element antimony has an atomic weight of 121.757 amu and only two naturally occuring isotopes. one isotope has an abundance of 57.3 % and an isotopic mass of 120.904 amu based on these data what is the mass of the other isotope.
Brominated biphenyls (PBB) is created through an electrophilic aromatic bromization out of the hydrocarbon biphenyl.
The choice of precipitating reagent is important. Briefly explain what the consequences would be if excess 6M NaOH solution instead of 6M NH3 solution were used to separate Fe3+ and Al3+ ions from Ca2+, Cu2+,
19mg of 9-fluorenone is dissolved in 5ml of diethyl ether. The resulting organic solution is extracted with 10ml of water. The Kp for 9-fluorenone in diethyle ether/water is 9.5, how much would remian in the ether layer?
design a molecule with three chiral centers and draw eight possible stereoisomers of the molecule.
Gaseous methane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 0.48 g of methane is mixed with 1.13 g of oxygen. CH4+2O2 = CO2 + 2H2O
What is the total volume of gaseous products, measured at 332°C and 732 torr, when an automobile engine burns 100. g C8H18 (a typical component of gasoline)? Answer needs to be in Liters
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