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The structure of the compound K2O is best described as a cubic closest packed array of oxide ions with the potassium ions in tetrahedral holes. What percent of the tetrahedral holes are occupied in this solid?
The reagents available other than DI water are 3.0 M solutions of any acid or base that you may need. How would you go about preparing this buffer
What is the boiling point of a solution of 0.25g of a nonvolatile solute (molar mass 85 g/mol) dissolved in 12g Benzene. Kbp for benzene = 2.53 (oC/m), Normal boiling point 80.10 oC.
Carbonates react with acids to form a salt, water and carbon dioxide gas. When 22.2 g of calcium carbonate are reacted with sufficient hydrochloric acid, how many grams of calcium chloride will be produced
For your cereal sample, you added the same volume of sodium acetate that you added to your standards and solution unknown. b) You forgot to add hydroxylamine hydrochloride when you prepared the standards
he heat of vaporization of liquid water is 40.67 kJ/mol , and the molar heat capacity is 75.3 J/(K*mol) for the liquid and 33.6 J/(K*mol) for the vapor.
How many times around the earth would the atoms from this speck of carbon extend if they were laid side by side
Organic chemistry mechanism and conceptual problems involving, 1. Write equations to show how nitronium ions might be formed using a mixture of nitric and sulfuric acids.
Carbon monoxide and water vapor, each at 190 Torr, were introduced into a 250 mL container. When the mixture reached equilibrium at 690 ?C, the partial pressure of CO2(g) was 108 Torr.
A beaker contains 50.0mL of 1.902 M solution of diprotic acid. How many grams of Mg(OH)2 are required to neutralize this solution
What are the products of a double displacement reaction involving sodium hydroxide and hydrochloric acid
We often hear the terms organic, natural, and chemical in the media. Organic and natural are usually used to imply that a product is "healthy" and/or "environmentally friendly" while chemical often implies negative implications for health and for ..
A sample of a liquid from an unlabeled bottle was subjected for analysis: MS showed that M+ has an m/z of 89 and IR displayed bands at 2995-2840 cm-1, and 1562, and 1425. Identify the functional group in the molecule and provide 2 possible structu..
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