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An element X reacts with oxygen to form XO2 and with chlorine to form XCl4. XO2 is a white solid that melts at high temperatures (above 1000 ? ). Under usual conditions, XCl4 is a colorless liquid with a boiling point of 58.?.
(a) XCl4 reacts with water to form XO2 and another product. What is the likely identity of the other product?
(b) Do you think that element X is a metal, nonmetal, or metalloid? Explain.
(c) By using a sourcebook such as the CRC Handbook of Chemistry and Physics, try to determine the identity of element X.
An unknown compound P isolated from a mould was found to be optically active as well as to have a molecular formula of C11H20. Hydrogenation of P with excess H2 utilizing a finely divided platinum catalyst produced compound Q, C11H24.
electrode composed of nickel in a 1.0 M nickel(II) ion solution and another electrode composed of silver in a 1.0 M silver ion solution, connected by a salt bridge. Calculate the standard potential for this cell at 25 °C.
Energy level of electrons in atoms - The 3s level in hydrogen has a lower energy than the3d level in hydrogen.
considering the given chemical equation as c2h5oh lo2gco2gh2og you just need to balance this equation and also show
A particular brand of gasoline has a density of 0.737 g/mL. How many grams of this gasoline would fill a 15.6 gal tank?
If you pipetted 50.00mL sample of an unknown brime and titrated it with 37.64mL of 0.1024M of silver nitrate solution. Calculate the ppm of sait (NaCl) in the sample.
Use the de Broglie relationship to determine the wavelengths of the following objects: an lithium atom moving at 2.5*10^5m/sUsing Heisenberg's uncertainty principle,
Approximate the mass in grams of KCl required per liter of pure water to reduce the vapor pressure of water at 25 degrees Celsius by 5%.
When heated to 350 at 0.950 , ammonium nitrate decomposes to produce nitrogen, water, and oxygen gases.
Given the following value, tell whether the starting material or product is favored at equilibrium. Keq=0.2 Is this a starting material favored or a product favored
Does the molar solubility of lead(II) iodide increase, decrease, or remain the same with the addition of potassium iodide to the solution? Explain
Calculate the molarity of a saturated solution of sodium hydrogen carbonate, NaHCO3 (aq) that contains 69.0 grams in 1.00 liter of solution.
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