'Formula mass' presentation slideshows

Stoichiometry

Stoichiometry. S t o i c h i o m e t r y. A q u a n t i t a t i v e s t u d y o f c h e m i c a l c h a n g e s. M a s s - M a s s P r o b l e m s .

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III. Moles/Stoichiometry

III. Moles/Stoichiometry. In all chemical reactions there is a conservation of mass, energy, and charge. Matter cannot be created nor destroyed, only changed from one form to another Energy cannot be created nor destroyed, only changed from one form to another.

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Quantitative Composition of Compounds

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the Mole !

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Chemical Formulas and Chemical Compounds

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Chemical Formulas and Chemical Compounds

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Chapter 11

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CHAPTER 4 CHEMICAL REACTIONS: MAKING CHEMICALS SAFELY WITHOUT DAMAGING THE ENVIRONMENT

CHAPTER 4 CHEMICAL REACTIONS: MAKING CHEMICALS SAFELY WITHOUT DAMAGING THE ENVIRONMENT. From Green Chemistry and the Ten Commandments of Sustainability , Stanley E. Manahan, ChemChar Research, Inc., 2006 manahans@missouri.edu. 4.1. DESCRIBING WHAT HAPPENS WITH CHEMICAL EQUATIONS.

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Chapter 3 Chemical Compounds

Chapter 3 Chemical Compounds. When atoms approach other in a chemical reaction, the electrons of the atoms interact to form chemical bonds. Compounds are substances composed of more than one element, chemically combined. E. g. HCl, H 2 O, NH 3

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Determining Chemical Formulas

Determining Chemical Formulas. empirical formula- consists of the symbols for the elements combined in a compound, with subscripts showing the smallest whole number mole ratio of the different atoms in the compound CH 3 = empirical formula (does not exist)

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Chapter 3: Calculations with Chemical Formulas

Chapter 3: Calculations with Chemical Formulas. Renee Y. Becker Valencia Community College CHM 1045. Atomic and Molecular Mass. The molecular mass is the sum of the masses of the atoms making up the molecule (units amu) (molecular compounds only!) calculate the molecular mass: H 2 O

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Lecture 6

Lecture 6. Nomenclature Chapter 9 24-September Suggested HW 9.1, 9.5, 9.7, 9.11, 9.15, 9.17, 9.25, 9.29, 9.35, 9.39, 9.43, 9.51, 9.55, 9.57, 9.67, 9.69, 9.71, 9.73, 9.75, 9.79, 9.89, 9.95, 9.99, 9.101, 9.105, 9.109, 9.113, 9.115, 9.117, 9.119, 9.123, 9.127, 9.137, 9.139a.

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The Mole

The Mole. Chemistry SOL 1.g.14; 4.a.1-6. Chemical Measurements. Atomic Mass The weighted average of the masses of existing isotopes of an element Measured in atomic mass units (amu). Formula Mass The sum of the atomic masses of all atoms in a compound as represented in a chemical formula.

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Chemistry Mindjoggers

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Chemical Quantities

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Ch 10: The Mole

Ch 10: The Mole. Mole : a counting unit in chemistry 6.02 x 10 23 (atoms, molecules, formula units, paper clips, donuts, people, anything!) 602,000,000,000,000,000,000,000. Analogies: A pair means 2 A dozen means 12 A gross means 144 A score means 20

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3 . Composition of substances & solutions

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STANDARD GRADE CHEMISTRY CALCULATIONS

mass n gfm. You must learn this and be able to apply it in calculations. STANDARD GRADE CHEMISTRY CALCULATIONS. Calculations involving the mole. 1 mole of a solid substance is the formula mass of the substance in grams. This is known as the gram formula mass (gfm).

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