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Most of the alkali halides exhibit the "rock salt" structure shared by NaCl. Using the ionic radii Li 76pm, F 133pm, K 138pm, Br 196pm, show that LiF and KBr are consistent with the rule of thumb that the NaCl structure occurs for radius ratios between .414:1 and .732:1 and calculate densities for LiF and KBr.
a badly tarnished silver teapot. The tarnish is a result of the silver metal reacting with the oxygen in the air according to
Select each side of the mass balance equation for an Fe3(PO4)2 solution where the existing species are Fe2 , PO43-, HPO42-, H2PO4-, H3PO4, FeOH?
Please show the products that would result from bromination of benzoic acid. Major and or minor if there are any.
the heat of vaporization of isopropyl alcohol c3h7oh is 42.1 kjmol. how many grams of water at 0oc could be frozen to
Calculate the required quantity of each reagent and the volume of water that must be added for dilution. a. Chlorine water
Describe the type of bonding that your unknown has (covalent, polar covalent). Locate and show any dipoles in your compound
What is the total sample size (in grams) for a sample of magensium nitrite which contains 0.96 g of oxygen
A given compound has the following solubility properties. At room temperature, it is souble in diethyl ehter but insoluble in both ethanol and water At high temperatures,
At 40oC, Kc=0.0303 for the reaction below. H2 + Cl2 --> 2 HCl In an experiment carried out at 40oC, the initial concentrations were [H2]=[Cl2]=[HCl]=2.25 mol/L. What is the equilibrium concentration of HCl
a balloon filled with helium gas at 1.00 atm occupies 15.6 L. What volume would the balloon occupy in the upper atmosphere, at a pressure of .15 atm
Calculate the number of moles of Cl atoms in 1.20×1024 formula~units of magnesium chloride, MgCl_2
The pH of the resulting solution is 6.35. Calculate the Ka for the acid.
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