Chemistry 131 Study guides, Class notes & Summaries

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Test Bank for Psychology Themes and Variations, 6th Canadian Edition By Doug McCann Name: Class: Date: Chapter 1 - The Evolution of Psychology Copyright Cengage Learning. Powered by Cognero. Page 1 Multiple Choice 1. The term “psychology” comes from the Greek words psyche and logos. What does logos mean? a. the study of a subject b. the soul c. logic d. discipline ANSWER: a 2. Psychological research is sometimes distorted or grossly simplified in media coverage, leading to misinf...

Stiochiometry correct answer: Greek "Stiochion"= element "Metion"= measure Lavoisier correct answer: Mass is conserved in chemical rxn 2 parts of equation correct answer: Reactant and product Chemical equation for formation of water correct answer: 2H₂+O₂→2H₂O Stiochiometric coefficients correct answer: # in front of chemical formulas; give ratio of reactant and products Law of Conservation of Mass correct answer: Antione Lavoisier Matter cannot be lost in any...

Dalton's Atomic Theory included what 3 ideas? correct answers1. Atoms cannot be created or destroyed 2. All atoms of a given element have identical properties. 3. All atoms of a given element have properties that differ from those of other elements. 4. Compounds are formed when atoms of different elements combine with one another in small whole-number ratios. Atoms consist of three fundamental particles. What are these particles and their charges? correct answersproton (+1), neutron (neut...

Atomic Structures - correct answer Know all the problems except #7,14,15 When looking at the atomic structure what does the left-hand subscript represent - correct answer Left hand subscript = atomic number When looking at the atomic structure what does the left-hand superscript represent - correct answer The mass number Where on the atomic structure would we find the ionic change (if the isotope has one) - correct answer On the right hand super-script The mass number = a com...

Stiochiometry correct answersGreek "Stiochion"= element "Metion"= measure Lavoisier correct answersMass is conserved in chemical rxn 2 parts of equation correct answersReactant and product Chemical equation for formation of water correct answers2H₂+O₂→2H₂O Stiochiometric coefficients correct answers# in front of chemical formulas; give ratio of reactant and products Law of Conservation of Mass correct answersAntione Lavoisier Matter cannot be lost in any chemical rx...

Atomic Structures - correct answer Know all the problems except #7,14,15 When looking at the atomic structure what does the left-hand subscript represent - correct answer Left hand subscript = atomic number When looking at the atomic structure what does the left-hand superscript represent - correct answer The mass number Where on the atomic structure would we find the ionic change (if the isotope has one) - correct answer On the right hand super-script The mass number = a com...

peta- correct answersP, 10^15 tera- correct answersT, 10^12 giga- correct answersG,10^9 mega- correct answersM, 10^6 kilo- correct answersK, 10^3 deca- correct answersda, 10 deci- correct answersd, 10^-1 centi- correct answersc, 10^-2 milli, correct answersm, 10^-3 micro- correct answersmu, 10^-6 nano- correct answersn, 10^-9 pico- correct answersp, 10^-12 femto- correct answersf, 10^-15

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Gas, Liquid, and Solid define the differences between these three main phases of matter. correct answersSolid- fixed shape and fixed volume Liquid- Variable shape/ can flow and fixed volume Gas- Variable shape/ can flow and can change volume (can be made to expand or contract depending on pressure) Define Solvent and Solute correct answersSolvent- the substance into which the solute is dissolved Solute- the substance that was dissolved Main-group element correct answersAll of the ...

The distance between carbon atoms in ethylene is 134 picometers. Which of the follow expresses this distance in meters? correct answers1.34 x 10^-10 m Acedic acid boils at 244.2 F. What is the boiling point in degrees Celsius? correct answers117.9 C Select the answer with correct number of significant figures for the following calculation: 4.652 g / (15.4 mL - 13.2 mL) correct answers2.1 g/mL Bromine is the only non-metal that is a liquid at room temperature. Consider the isotope bro...

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