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how to teach mole to students
From the EPA the current generation of methane from landfills in the USA is 12.7 MM tons per year (2009). a. Using the Global Warming Potential of the methane at 20 years, 100
How do i balance the following equation: Ni+CO==>NI(CO)4? I can''t figure out the oxidation state of Ni and C on the product side.
For">http://imageshack.us/photo/my-images/213/chemistyr.png/ For these structures? I''m not sure how to answer it.
which is the main postulate of bohr''s model of atom
fiehes test means result if positive result always color change if negative color change or not
In an element going away from nucleus, the energy of particle : (1) Decreases (2) Not changing (3) Increases (4) None of these Ans: Increases
The pH scale: The equation: p Kw =14.00=pH+pOH is obtained by taking the negative logarithm to the base 10 of the autoprotolysis equation, where In general pX denotes -
how alkenes oxidise with potassium
It is important to differentiate the stoichiometric or empirical formula of a molecular substance from its molecular formula. The former expresses only the relative numbers of atom
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