Elemental analysis Study guides, Class notes & Summaries

1. The molecular formula of a particular solid is C8H4O6. Its molecular mass is a. 288 amu. b. 100 amu. c. 296 amu. d. 196 amu. e. 170 amu. ANSWER: d POINTS: 1 DIFFICULTY: easy REFERENCES: 3.1 LEARNING OBJECTIVES: GENE.EBBI.13.67 - Calculate the formula mass from a formula. (Example 3.1) TOPICS: mass and moles of substance stoichiometry KEYWORDS: molecular mass OTHER: general chemistry 2. The hydrocarbon octane has the structural formula CH3(CH2)...

Chapter 1 – The Science of Nutrition Multiple Choice Answer, level, page Level: K = knowledge, A = application/critical thinking What Do We Mean by “Nutrition”? (pp. 5-8) a A 6 1. Which of the following ingredients in a box of toaster pastries would contribute macronutrients to one’s diet? a. Water, high-fructose corn syrup, egg yolk b. Niacin, folic acid, sucralose c. Riboflavin, salt, sodium benzoate d. Thiamin mononitrate, soybean oil, sugar c K 5 2. The term “n...

What percentage of lead is in drinking water for children? 20% What does Title X focus on? Focuses attention on source of lead that could poison children. What areas in the waterline produce high lead levels in water? Poorly Soldered joints where brass fittings are. With inspecting water what is the most causes for corrosive towards lead? Hot, Acidic and soft water What are the causes our air to become lead contaminated? Gas, Emission stationary sources, smelters...

What is an alkene and its general formula? It is an unsaturated hydrocarbon with a least one C=C bond. General formula is CnH2n What is a sigma bond? σ single covalent bond formed when two s orbitals overlap. High electron density What is a pi bond? sideways overlap of p orbitals that occur in a double or triple bond. Much weaker than sigma, low bond enthalpy and lower electrostatic attraction Is an alkane or an alkene more reactive? Alkene. contains both sigma and pi bonds with high ele...

Is NFPA 921 a guide or a standard? - It is the Guide for Fire and Explosion Investigations What are the six steps of the scientific method? - Recognize the need Define the problem Collect the data Analyze the data Develop a hypothesis Test the hypothesis What step of the scientific method is inductive reasoning? - Analyze the data What step of the scientific method is deductive reasoning? - Test the hypothesis What are the four parts of the fire tetrahedron? - Fuel (reducing agent) He...

What percentage of lead is in drinking water for children? 20% What does Title X focus on? Focuses attention on source of lead that could poison children. What areas in the waterline produce high lead levels in water? Poorly Soldered joints where brass fittings are. With inspecting water what is the most causes for corrosive towards lead? Hot, Acidic and soft water What are the causes our air to become lead contaminated? Gas, Emission stationary sources, smelters...

The change in enthalpy (delta-H) can be calculated as: Δ H = n C p Δ T This is correct whether the reaction is conducted at constant volume or constant pressure or neither. - correct answer true Antoine Lavoisier discovered which element? - correct answer O Which of the following hypotheses is NOT part of John Dalton's "Atomic Theory"? - correct answer Mass is neither cre...

Version 1 1 Version 1 2 Personality Psychology Domains Of Knowledge About Human Nature, 3rd Canadian Edition, 3e By Randy Larsen, David Buss, David King (Test Bank All Chapters, 100% Original Verified, A+ Grade)Answers at the end of each Chapter. Chapter 1 Student name: MULTIPLE CHOICE - Choose the one alternative that best completes the statement or answers the question. 1) Features of personality that differentiate one person from another usually take the form of in language. A...

The NCLEX RN Examination Chpt 28 questions and answers well illustrated. The Nclex is - correct red to receive a license to practice as an RN What does successful completion of the NCLEX demonstrate? - correct tence to provide effective nursing care What graduates take the same NCLEX? - correct answers.2 year associate degree, Hospital based diploma, and Baccalaureate degree or higher What needs to be done before you can sit for the NCLEX? - correct answers.Need...

RICA Study Guide Questions and Answers Graded A Accuracy reading words without mistakes Syllabic analysis the process of dividing words into pronounceable units that contain a vowel-like sound. Students recognize the word by putting together their knowledge of each of the word's syllables. Miscue analysis Examining a record of a student's oral reading to identify and classify errors. Graphophonemic Errors These errors are related to the sound-symbol relationships for English, such as readin...