'01 amu' presentation slideshows

Chapter 5

Chapter 5. Quantities in Chemistry. Setting the Stage - Bioavailability of Nitrogen. Plants need nitrogen as either ammonia or nitrate in order to use it for biosynthesis While air is 80% nitrogen, it is in the form of the relatively inert gas N 2 , hence plants cannot use it directly.

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Chapter 5.1, 5.3, 5.5, 5.8, 5.9 and 5.10

Chapter 5.1, 5.3, 5.5, 5.8, 5.9 and 5.10. Homework from the book 1, 11, 35, 37, 39, 41, 43, 45, 45, 47, 67, 69, 75, 77, 79, 83, 85, 87, 89, 91, 97, 103, 107, 109, 115, 119, 121, 127, 129 and 131. H 2. H 2 O. NH 3. CH 4. Molecules and Compounds.

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Chemical Measurements

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Formula Mass, Molecular Mass, & Percent Composition

Formula Mass, Molecular Mass, & Percent Composition. Formula Mass. The total mass of an ionic compound Sum of the masses of all atoms Remember- subscripts tell how many of each atom is in the compound! Ex: NaCl = (1 x 22.990 amu )+ (1 x 35.453 amu )= 58.443 amu. Molecular Mass.

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Bellringer 10/01/12

Bellringer 10/01/12. How many protons, neutrons and electrons are in U-235 and Pu-244?. Mass (amu). x. Relative abundance (% as a decimal). Calculating Average Mass. Atomic mass is the average of all the naturally isotopes of that element. Copper = 63.546 amu. Cu. Cu. Copper-63.

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Nomenclature Practice

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The Mole

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