07 Composition & Alkane Nomenclature

07 Composition & Alkane Nomenclature - Question...

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1 1 Question from Last Time Which one of the following associations of names with chemical formulas is not correct? A) Na 2 SO 4 sodium sulfate B) CaCO 3 calcium carbonate C) Mn(OH) 2 manganese hydroxide D) K 2 HPO 4 potassium hydrogen phosphate E) Fe(NO 3 ) 3 iron(III) nitrate The multi-charged transition metals that you need to remember. Cu(I) and Cu(II) Fe(II) and Fe(III) Cr(II) and Cr(III) Co(II) and Co(III) Mn has several The names and formulas of the polyatomic ions are correct. Sulfate is 2- Carbonate is 2- Hydroxide is 1- Hydrogen phosphate is 2- Nitrate is 1- Group 1 is 1+ Group 2 is 2+ 3 Question from Reading MSJ 3.8 – 3.9 Do you agree with the following conclusion? A) YES B) NO If propane contains 81.7% carbon and 18.3% hydrogen by mass, then 1000 g of propane contains 817 g carbon and 183 g hydrogen. % Composition = (Mass of a Component) x 100 / (Total Mass)
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2 4 Homework NOTICE: Take you molecular model kit to your workshop session this week! Due classtime Friday 4 OWL questions OWL QRT 60, 64, 66, 75, 77 Due classtime Monday 1 OWL question OWL QRT 90, 96, 102 5 Utilize: The Text The Chemistry Learning Center Problem Solving Examples & Practice In Closing Strategy for Scoring the Goals: Effective Time on Task 8 – 12 hours minimum: Need a Schedule!!!! Skim reading assignment Take notes in large class session Complete notes: use text & pwrpts Do homework (OWL): use text & notes Assess success with on-line quiz (LUCID). From memory, write summary of concepts and their use Complete & review workshop & CHE 130 activities
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3 6 CHE 130 Activity: Homeopathic Medicines Prerequisites Determine molar mass from a molecular formula. See MSJ 3.8 Determine percent composition by mass. See MSJ 3.9 Convert between mass and volume, given the density. Use unit analysis, d = g/mL!
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This note was uploaded on 10/16/2009 for the course CHE 129/130 taught by Professor Hanson during the Fall '09 term at SUNY Stony Brook.

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07 Composition & Alkane Nomenclature - Question...

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