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Penta valent element has one electron more than 4 electrons which could be used for conduction while the trivalent elements has 1 electron less , this can also be seen as a hole which could help in improving conduction.
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A 42.60 gram sample of a hydrate of BaI 2 was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 39.01 grams of the dehydrated compound remained. What is the formula of th ...
How many moles of magnesium ion are present in 5.25g Mg 3 (PO 4 ) 2 ?
1. Balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients. A precipitate forms when aqueous solutions of iron(II) chloride and sodium hydroxid ...
Iron(III) oxide reacts with carbon monoxide according to the equation: Fe2O3(s)+3CO(g)→2Fe(s)+3CO2(g) A reaction mixture initially contains 22.15 g Fe2O3 and 15.98 g CO. Once the reaction has occurred as completely as po ...
How do the colors seen by the naked eye compare to the emission spectra emitted by the flame
How many formula units of barium fluoride (BaF2) are in 1.63g of BaF2 How many formula units of aluminum chloride (AlCl3) are in 0.582g of AlCl3 How many grams of caffeine (C8H10N4O2) contain 2.53×10^24 molecules of caff ...
Interpretation of Reactions by Ionic Type Equations. Aqueous solutions of the following substances or their mixtures with water if they are only slightly soluble, are mixed. Write first the conventional equation , secon ...
As your book describes, the United States did not recognize foreign copyrights until the late 1800s. As a result, U.S. publishers routinely published foreign works without permission or compensation for the non U.S. auth ...
What is an example of a cell diagram for a voltaic cell? How do I calculate the standard cell potential for the example of the voltaic cell?
The following sequence of reactions occurs in the commercial production of aqueous nitcric acid: 4NH3(g)+ 5O2(g) -> 4NO2 (g) + 6H2O(l) ΔH = -907 kJ 2NO(g) + O2(g) ? 2NO2(g) ΔH= -113 kJ 3NO2 + H2O(l) -> 2HNO3(aq) + NO(g) ...
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